Whether H N 3 has got more total atoms, same number of total atoms, or fewer total atoms than that of N H 3 has to be indicated. Concept Introduction: The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Question

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Answer 1

Question

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

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Answer 2

Question

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

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Answer 3

Question

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

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Answer 4

Question

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

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Answer 5

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

Answer 6

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

Answer 7

Chapter 1, Problem 1.83EP

(a)

Interpretation Introduction

Interpretation:

Whether HN3 has got more total atoms, same number of total atoms, or fewer total atoms than that of NH3 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 8

(a)

Expert Solution

Explanation of Solution

Given chemical formulas are HN3 and NH3.

Total number of atoms in HN3: This contains one hydrogen atom and three nitrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

Total number of atoms in NH3: This contains one nitrogen atom and three hydrogen atoms in its chemical formula. Therefore, a total of four atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.

Answer 9

(a)

Expert Solution

Answer 10

(a)

Expert Solution

Answer 11

Expert Solution

Answer 12

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

Answer 13

(b)

Interpretation Introduction

Interpretation:

Whether CaSO4 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(OH)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 14

(b)

Expert Solution

Explanation of Solution

Given chemical formulas are CaSO4 and Mg(OH)2.

Total number of atoms in CaSO4: This contains one calcium atom, one sulfur atom and four oxygen atoms in its chemical formula. Therefore, a total of six atoms are present in the chemical formula.

Total number of atoms in Mg(OH)2: This contains one magnesium atom, two oxygen atom and two hydrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that CaSO4 contain more number of atoms than Mg(OH)2.

Answer 15

(b)

Expert Solution

Answer 16

(b)

Expert Solution

Answer 17

Expert Solution

Answer 18

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

Answer 19

(c)

Interpretation Introduction

Interpretation:

Whether NaClO3 has got more total atoms, same number of total atoms, or fewer total atoms than that of Be(CN)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 20

(c)

Expert Solution

Explanation of Solution

Given chemical formulas are NaClO3 and Be(CN)2.

Total number of atoms in NaClO3: This contains one sodium atom, one chlorine atom and three oxygen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

Total number of atoms in Be(CN)2: This contains one beryllium atom, two carbon atom and two nitrogen atoms in its chemical formula. Therefore, a total of five atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.

Answer 21

(c)

Expert Solution

Answer 22

(c)

Expert Solution

Answer 23

Expert Solution

Answer 24

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.

Answer 25

(d)

Interpretation Introduction

Interpretation:

Whether Be3(PO4)2 has got more total atoms, same number of total atoms, or fewer total atoms than that of Mg(C2H3O2)2 has to be indicated.

Concept Introduction:

The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.

Answer 26

(d)

Expert Solution

Explanation of Solution

Given chemical formulas are Be3(PO4)2 and Mg(C2H3O2)2.

Total number of atoms in Be3(PO4)2: This contains three beryllium atoms, two phosphorus atoms and eight oxygen atoms in its chemical formula. Therefore, a total of thirteen atoms are present in the chemical formula.

Total number of atoms in Mg(C2H3O2)2: This contains one magnesium atom, four carbon atoms, six hydrogen atoms, and four oxygen atoms in its chemical formula. Therefore, a total of fifteen atoms are present in the chemical formula.

On comparing the total number of atoms between the two chemical formulas, it is found that Be3(PO4)2 contain less number of atoms than Mg(C2H3O2)2.