Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th
7th Edition
ISBN: 9781305081086
Author: STOKER, H. Stephen
Publisher: Brooks Cole
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Chapter 1, Problem 1.88EP

A mixture contains the following five pure substances:

Cl2, C2Cl6, H2CO3, H2SO4, and HC1.

  1. a. How many different kinds of diatomic molecules are present in the mixture?
  2. b. How many different kinds of atoms are present in the mixture?
  3. c. How many total atoms are in a mixture sample containing four molecules of each component?
  4. d. How many total carbon atoms are present in a mixture sample containing three molecules of each component?

(a)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The number of diatomic molecules that is present in the mixture has to be given.

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 to Problem 1.88EP

In the given mixture of five molecules, two diatomic molecules are present.

Explanation of Solution

Given molecules in mixture are Cl2,C2H6,H2CO3,H2SO4,andHCl.

Diatomic molecule is the one that contains a total of two atoms in it.  Looking into the above chemical formulas, the molecule that contains two atoms in it is found to be Cl2andHCl only.  Therefore, two diatomic molecules are present.

(b)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The different kind of atoms that is present in the mixture has to be given.

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 to Problem 1.88EP

Five kinds of atoms are present in the mixture.

Explanation of Solution

Given molecules in mixture are Cl2,C2H6,H2CO3,H2SO4,andHCl.

Looking into the molecules in the given mixture, it is found that there are five kind of atoms present in the given molecules and they are S,C,H,O,andCl.

(c)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The total number of atoms that is present in the mixture that contains four molecules of each component has to be given.

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 to Problem 1.88EP

There are a total of 100 atoms present.

Explanation of Solution

Given molecules in mixture are Cl2,C2H6,H2CO3,H2SO4,andHCl.

Number of atoms in Cl2:  As this molecule has a subscript “2”, the total number of atoms in Cl2 is two.

Number of atoms in C2H6:  The total number of atoms is present in molecule is by summing up the subscript.  Two carbon atoms and six hydrogen atoms are present in it.  The total number of atoms in C2H6 is 8 atoms.

Number of atoms in H2CO3:  The total number of atoms is present in molecule is by summing up the subscript.  Two hydrogen atoms, one carbon atom and three oxygen atoms are present in it.  The total number of atoms in H2CO3 is 6 atoms.

Number of atoms in H2SO4:  The total number of atoms is present in molecule is by summing up the subscript.  Two hydrogen atoms, one sulfur atom and four oxygen atoms are present in it.  The total number of atoms in H2SO4 is 7 atoms.

Number of atoms in HCl:  The total number of atoms is present in molecule is by summing up the subscript.  One hydrogen atom and one chlorine atom is present in it.  The total number of atoms in HCl is 2 atoms.

The total number of atoms that is present in mixture which contains one molecule of each component can be found by summing up the number of atoms in all molecules.  This gives the total number of atoms as 25.

If the mixture contains four molecules of each component, then the total number of atoms can be found as shown below,

  Totalnumberofatoms = 4*25 = 100

Therefore, there are 100 atoms present in the mixture that contains four molecules of each component.

(d)

Expert Solution
Check Mark
Interpretation Introduction

Interpretation:

The total number of carbon atoms that is present in the mixture that contains three molecules of each component has to be given.

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 to Problem 1.88EP

There are a total of 9 carbon atoms present.

Explanation of Solution

Given molecules in mixture are Cl2,C2H6,H2CO3,H2SO4,andHCl.

Number of atoms in Cl2:  As this molecule has a subscript “2”, the total number of atoms in Cl2 is two.

Number of atoms in C2H6:  The total number of atoms is present in molecule is by summing up the subscript.  Two carbon atoms and six hydrogen atoms are present in it.  The total number of atoms in C2H6 is 8 atoms.

Number of atoms in H2CO3:  The total number of atoms is present in molecule is by summing up the subscript.  Two hydrogen atoms, one carbon atom and three oxygen atoms are present in it.  The total number of atoms in H2CO3 is 6 atoms.

Number of atoms in H2SO4:  The total number of atoms is present in molecule is by summing up the subscript.  Two hydrogen atoms, one sulfur atom and four oxygen atoms are present in it.  The total number of atoms in H2SO4 is 7 atoms.

Number of atoms in HCl:  The total number of atoms is present in molecule is by summing up the subscript.  One hydrogen atom and one chlorine atom is present in it.  The total number of atoms in HCl is 2 atoms.

The total number of carbon atoms that is present in mixture which contains one molecule of each component can be found by summing up the number of carbon atoms in all molecules.  This gives the total number of carbon atoms as 3.

If the mixture contains three molecules of each component, then the total number of carbon atoms can be found as shown below,

  Totalnumberofcarbonatoms = 3*3 = 9

Therefore, there are 9 carbon atoms present in the mixture that contains three molecules of each component.

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Chapter 1 Solutions

Study Guide with Selected Solutions for Stoker's General, Organic, and Biological Chemistry, 7th

Ch. 1.4 - Prob. 2QQCh. 1.4 - Prob. 3QQCh. 1.5 - Prob. 1QQCh. 1.5 - Prob. 2QQCh. 1.5 - Prob. 3QQCh. 1.5 - Prob. 4QQCh. 1.6 - Prob. 1QQCh. 1.6 - A compound can be separated into its constituent...Ch. 1.6 - Prob. 3QQCh. 1.6 - Prob. 4QQCh. 1.7 - Which of the following statements concerning the...Ch. 1.7 - Prob. 2QQCh. 1.7 - Prob. 3QQCh. 1.7 - Prob. 4QQCh. 1.8 - The correct chemical symbol for the element...Ch. 1.8 - Prob. 2QQCh. 1.8 - Prob. 3QQCh. 1.8 - Prob. 4QQCh. 1.9 - Prob. 1QQCh. 1.9 - Prob. 2QQCh. 1.9 - The molecules present in a compound must be a....Ch. 1.9 - Prob. 4QQCh. 1.10 - Prob. 1QQCh. 1.10 - Which of the following chemical formulas fits the...Ch. 1.10 - Which of the following pairings of chemical...Ch. 1.10 - Prob. 4QQCh. 1.10 - Prob. 5QQCh. 1.10 - Prob. 6QQCh. 1 - What are the two general characteristics that all...Ch. 1 - What are the three aspects of matter that are of...Ch. 1 - Classify each of the following as matter or energy...Ch. 1 - Classify each of the following as matter or energy...Ch. 1 - Prob. 1.5EPCh. 1 - Prob. 1.6EPCh. 1 - Indicate whether each of the following substances...Ch. 1 - Indicate whether each of the following substances...Ch. 1 - Classify each of the following properties of the...Ch. 1 - Classify each of the following properties of the...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.13EPCh. 1 - Classify each of the following observations about...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Classify each of the following changes as physical...Ch. 1 - Prob. 1.17EPCh. 1 - Classify each of the following changes as physical...Ch. 1 - Correctly complete each of the following sentences...Ch. 1 - Correctly complete each of the following sentences...Ch. 1 - Classify each of the following as (1) a physical...Ch. 1 - Classify each of the following as (1) a physical...Ch. 1 - Classify each of the following statements as true...Ch. 1 - Classify each of the following statements as true...Ch. 1 - Prob. 1.25EPCh. 1 - Assign each of the following descriptions of...Ch. 1 - Classify each of the following as a heterogeneous...Ch. 1 - Classify each of the following as a heterogeneous...Ch. 1 - From the information given, classify each of the...Ch. 1 - From the information given, classify each of the...Ch. 1 - Prob. 1.31EPCh. 1 - From the information given in the following...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Consider two boxes with the following contents:...Ch. 1 - Consider two boxes with the following contents:...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Indicate whether each of the following samples of...Ch. 1 - Indicate whether each of the following samples of...Ch. 1 - Indicate whether each of the following...Ch. 1 - Indicate whether each of the following...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.45EPCh. 1 - Indicate whether each of the following statements...Ch. 1 - Prob. 1.47EPCh. 1 - Prob. 1.48EPCh. 1 - Give the name of the element denoted by each of...Ch. 1 - Prob. 1.50EPCh. 1 - Prob. 1.51EPCh. 1 - Prob. 1.52EPCh. 1 - Write the chemical symbol for each member of the...Ch. 1 - Write the chemical symbol for each member of the...Ch. 1 - In which of the following sequences of elements do...Ch. 1 - In which of the following sequences of elements do...Ch. 1 - Classify the substances represented by the...Ch. 1 - Classify the substances represented by the...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Classify the substances represented by the models...Ch. 1 - Assign each of the following molecular...Ch. 1 - Assign each of the following molecular...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - Indicate whether each of the following statements...Ch. 1 - In the following diagrams, the different colored...Ch. 1 - In the following diagrams, different colored...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - Assign each of the following descriptions of...Ch. 1 - In the following diagram, the different colored...Ch. 1 - Using the diagrams given in problem 1-71, select...Ch. 1 - Write chemical formulas for the substances...Ch. 1 - Write chemical formulas for the substances...Ch. 1 - Prob. 1.75EPCh. 1 - Prob. 1.76EPCh. 1 - Prob. 1.77EPCh. 1 - Prob. 1.78EPCh. 1 - Write all possible chemical formulas for a...Ch. 1 - Write all possible chemical formulas for a...Ch. 1 - Write a chemical formula for each of the following...Ch. 1 - Write a chemical formula for each of the following...Ch. 1 - Prob. 1.83EPCh. 1 - Prob. 1.84EPCh. 1 - On the basis of the given information, determine...Ch. 1 - On the basis of the information given, determine...Ch. 1 - Prob. 1.87EPCh. 1 - A mixture contains the following five pure...
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