GENERAL,ORGANIC,+BIOCHEMISTRY
GENERAL,ORGANIC,+BIOCHEMISTRY
10th Edition
ISBN: 9781260148954
Author: Denniston
Publisher: RENT MCG
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Chapter 4, Problem 4.63QP

(a)

Interpretation Introduction

Interpretation:

The given equation C4H10(g) + O2(g)  H2O(g) + CO2(g) has to be balanced.

Concept Introduction:

Balancing the equation:

  • There is a Law for conversion of mass in a chemical reaction i.e., the mass of total amount of the product should be equal to the total mass of the reactants.
  • First write the skeletal reaction from the given information.
  • Then count the number of atoms of each element in reactants as well as products.
  • Place suitable coefficients in front of reactants as well as products until the number of atoms on each side (reactants and products) becomes equal.

(a)

Expert Solution
Check Mark

Explanation of Solution

Given equation:

  C4H10(g) + O2(g)  H2O(g) + CO2(g)

Balancing the chemical Equation:

Count the number of atoms on each side of the reaction.

AtomReactant sideProduct side
H102
O23
C41

Place suitable coefficient before reactants and products and then check for the number of atoms again.

  2C4H10(g) + 13O2(g)  10H2O(g) + 8CO2(g)

AtomReactant sideProduct side
H2020
O2626
C88

The number of atoms of present on each side of the reaction is same.  Hence, the balanced equation for the given reaction is 2C4H10(g) + 13O2(g)  10H2O(g) + 8CO2(g)

(b)

Interpretation Introduction

Interpretation:

The given equation Au2S3(s) + H2(g) Au(s) + H2S(g) has to be balanced.

Concept Introduction:

Refer part (a)

(b)

Expert Solution
Check Mark

Explanation of Solution

Given equation:

  Au2S3(s) + H2(g) Au(s) + H2S(g)

Balancing the chemical Equation:

Count the number of atoms on each side of the reaction.

AtomReactant sideProduct side
Au21
S31
H22

Place suitable coefficient before reactants and products and then check for the number of atoms again.

  Au2S3(s) + 3H2(g) 2Au(s) + 3H2S(g)

AtomReactant sideProduct side
Au22
S33
H66

The number of atoms of present on each side of the reaction is same.  Hence, the balanced equation for the given reaction is Au2S3(s) + 3H2(g) 2Au(s) + 3H2S(g).

(c)

Interpretation Introduction

Interpretation:

The given equation Al(OH)3(s) + HCl(aq)  AlCl3(aq) + H2O(l) has to be balanced.

Concept Introduction:

Refer part (a)

(c)

Expert Solution
Check Mark

Explanation of Solution

Given equation:

  Al(OH)3(s) + HCl(aq)  AlCl3(aq) + H2O(l)

Balancing the chemical Equation:

Count the number of atoms on each side of the reaction.

AtomReactant sideProduct side
Al11
O31
H42
Cl13

Place suitable coefficient before reactants and products and then check for the number of atoms again.

  Al(OH)3(s) + 3HCl(aq)  AlCl3(aq) + 3H2O(l)

AtomReactant sideProduct side
Al11
O33
H66
Cl33

The number of atoms of present on each side of the reaction is same.  Hence, the balanced equation for the given reaction is Al(OH)3(s) + 3HCl(aq)  AlCl3(aq) + 3H2O(l).

(d)

Interpretation Introduction

Interpretation:

The given equation (NH4)2Cr2O7(s)Cr2O3(s) + N2(g) + H2O(g) has to be balanced.

Concept Introduction:

Refer part (a)

(d)

Expert Solution
Check Mark

Explanation of Solution

Given reaction:

  (NH4)2Cr2O7(s)Cr2O3(s) + N2(g) + H2O(g)

Balancing the chemical Equation:

Count the number of atoms on each side of the reaction.

AtomReactant sideProduct side
N22
H82
Cr22
O74

Place suitable coefficient before reactants and products and then check for the number of atoms again.

  (NH4)2Cr2O7(s)Cr2O3(s) + N2(g) + 4H2O(g)

AtomReactant sideProduct side
N22
H88
Cr22
O77

The number of atoms of present on each side of the reaction is same.  Hence, the balanced equation for the given reaction is (NH4)2Cr2O7(s)Cr2O3(s) + N2(g) + 4H2O(g).

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Chapter 4 Solutions

GENERAL,ORGANIC,+BIOCHEMISTRY

Ch. 4.2 - Prob. 4.3QCh. 4.2 - Prob. 4.4QCh. 4.3 - Prob. 4.5QCh. 4.3 - Prob. 4.6QCh. 4.4 - Prob. 4.9PPCh. 4.4 - Prob. 4.10PPCh. 4.5 - Prob. 4.11PPCh. 4.6 - Prob. 4.12PPCh. 4.6 - Prob. 4.7QCh. 4.6 - Prob. 4.8QCh. 4.9 - Prob. 4.13PPCh. 4.9 - When potassium cyanide (KCN) reacts with...Ch. 4.9 - Prob. 4.15PPCh. 4.9 - Prob. 4.16PPCh. 4.9 - Prob. 4.17PPCh. 4.9 - Barium carbonate decomposes upon heating to barium...Ch. 4.9 - Prob. 4.19PPCh. 4.9 - Prob. 4.9QCh. 4.9 - Prob. 4.10QCh. 4 - Prob. 4.11QPCh. 4 - What is the average mass (in amu) of: Zr Cs Ca Ch. 4 - What is the average molar mass of: Si Ag As Ch. 4 - What is the average molar mass of: S Na Hg Ch. 4 - What is the mass, in g, of Avogadro’s number of...Ch. 4 - What is the mass, in g, of Avogadro’s number of...Ch. 4 - How many carbon atoms are present in 1.0 × 10−4...Ch. 4 - How many mercury atoms are present in 1.0 × 10−10...Ch. 4 - How many mol of arsenic correspond to 1.0 × 102...Ch. 4 - How many mol of sodium correspond to 1.0 × 1015...Ch. 4 - How many g of neon are contained in 2.00 mol of...Ch. 4 - How many g of carbon are contained in 3.00 mol of...Ch. 4 - What is the mass, in g, of 1.00 mol of helium...Ch. 4 - What is the mass, in g, of 1.00 mol of nitrogen...Ch. 4 - Calculate the number of mol corresponding to: 20.0...Ch. 4 - Calculate the number of mol corresponding to: 0.10...Ch. 4 - What is the mass, in g, of 15.0 mol of silver? Ch. 4 - What is the mass, in g, of 15.0 mol of carbon? Ch. 4 - Calculate the number of silver atoms in 15.0 g of...Ch. 4 - Calculate the number of carbon atoms in 15.0 g of...Ch. 4 - Prob. 4.31QPCh. 4 - Distinguish between the terms formula mass and...Ch. 4 - Calculate formula mass and the molar mass of each...Ch. 4 - Calculate formula mass and the molar mass of each...Ch. 4 - Calculate formula mass and the molar mass of...Ch. 4 - Calculate formula mass and the molar mass of...Ch. 4 - Calculate formula mass and the molar mass of CuSO4...Ch. 4 - Calculate formula mass and the molar mass of CaCl2...Ch. 4 - Calculate the number of mol corresponding to: 15.0...Ch. 4 - Calculate the number of mol corresponding to: 15.0...Ch. 4 - Calculate the mass in g corresponding to: 1.000...Ch. 4 - Calculate the mass in g corresponding to: 0.400...Ch. 4 - How many g are required to have 0.100 mol of each...Ch. 4 - Prob. 4.44QPCh. 4 - How many mol are in 50.0 g of each of the...Ch. 4 - How many mol are in 50.0 g of each of the...Ch. 4 - What law is the ultimate basis for a balanced...Ch. 4 - List the general types of information that a...Ch. 4 - Prob. 4.49QPCh. 4 - Prob. 4.50QPCh. 4 - Prob. 4.51QPCh. 4 - What is the meaning of (s), (l), (g), and (aq)...Ch. 4 - Prob. 4.53QPCh. 4 - Prob. 4.54QPCh. 4 - What is the meaning of the subscript in a chemical...Ch. 4 - What is the meaning of the coefficient in a...Ch. 4 - When you are balancing an equation, why must the...Ch. 4 - Describe the process of checking to ensure that an...Ch. 4 - Prob. 4.59QPCh. 4 - Prob. 4.60QPCh. 4 - Prob. 4.61QPCh. 4 - Prob. 4.62QPCh. 4 - Prob. 4.63QPCh. 4 - Balance each of the following equations: Ch. 4 - Write a balanced equation for each of the...Ch. 4 - Prob. 4.66QPCh. 4 - 4.67 Which of the following ionic compounds will...Ch. 4 - Prob. 4.68QPCh. 4 - Will a precipitate form if solutions of the...Ch. 4 - Prob. 4.70QPCh. 4 - Solutions containing (NH4)2CO3(aq) and CaCl2(aq)...Ch. 4 - Prob. 4.72QPCh. 4 - Describe the difference between the terms ionic...Ch. 4 - Prob. 4.74QPCh. 4 - Write the net ionic equation for the reaction of...Ch. 4 - Prob. 4.76QPCh. 4 - Does an acid gain or lose a hydrogen cation, H+,...Ch. 4 - Prob. 4.78QPCh. 4 - Identify the acid and base in the following...Ch. 4 - Prob. 4.80QPCh. 4 - Does the following equation represent oxidation or...Ch. 4 - Prob. 4.82QPCh. 4 - In the following reaction, identify the species...Ch. 4 - Prob. 4.84QPCh. 4 - Why is it essential to use balanced equations to...Ch. 4 - Describe the steps used in the calculation of g of...Ch. 4 - How many g of B2H6 will react with 3.00 mol of...Ch. 4 - How many g of Al will react with 3.00 mol of O2? Ch. 4 - Calculate the number of moles of CrCl3 that could...Ch. 4 - A 3.5-g sample of water reacts with PCl3 according...Ch. 4 - Prob. 4.91QPCh. 4 - Prob. 4.92QPCh. 4 - Prob. 4.93QPCh. 4 - Triglycerides (Chapters 17 and 23) are used in...Ch. 4 - Joseph Priestley discovered oxygen in the...Ch. 4 - Dinitrogen monoxide (also known as nitrous oxide...Ch. 4 - The burning of acetylene (C2H2) in oxygen is the...Ch. 4 - Prob. 4.98QPCh. 4 - Various members of a class of compounds called...Ch. 4 - Prob. 4.100QPCh. 4 - A rocket can be powered by the reaction between...Ch. 4 - A 4.00-g sample of Fe3O4 reacts with O2 to produce...Ch. 4 - If the actual yield of decane in Question 4.99 is...Ch. 4 - If the actual yield of oxygen gas in Question...Ch. 4 - If the % yield of nitrogen gas in Question 4.101...Ch. 4 - If the % yield of Fe2O3 in Question 4.102 is...Ch. 4 - Prob. 1MCPCh. 4 - Prob. 2MCPCh. 4 - Prob. 3MCPCh. 4 - Prob. 4MCPCh. 4 - Prob. 5MCPCh. 4 - Prob. 7MCPCh. 4 - Prob. 8MCPCh. 4 - Prob. 9MCP
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