Chemistry: Structure and Properties (2nd Edition)
2nd Edition
ISBN: 9780134293936
Author: Nivaldo J. Tro
Publisher: PEARSON
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Chapter 14, Problem 75E
Interpretation Introduction
Interpretation:
Mechanism is step by step process of
Concept introduction:
The elementary steps in a mechanism are equal to the overall reaction then mechanism is valid only.
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MISSED THIS? Read Section 19.9 (Pages 878-881); Watch IWE 19.10
Consider the following reaction:
CH3OH(g)
CO(g) + 2H2(g)
(Note that AG,CH3OH(g) = -162.3 kJ/mol and AG,co(g)=-137.2 kJ/mol.)
Part A
Calculate AG for this reaction at 25 °C under the following conditions:
PCH₂OH
Pco
PH2
0.815 atm
=
0.140 atm
0.170 atm
Express your answer in kilojoules to three significant figures.
Ο ΑΣΦ
AG = -150
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kJ
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Calculate the free energy change under nonstandard conditions (AGrxn) by using the following relationship:
AGrxn = AGrxn + RTInQ,
AGxn+RTInQ,
where AGxn is the standard free energy change, R is the ideal gas constant, T is the temperature in kelvins, a
is the reaction quotient.
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Chapter 14 Solutions
Chemistry: Structure and Properties (2nd Edition)
Ch. 14 - Explain why lizards become sluggish in cold...Ch. 14 - Why are reaction rates important (both practically...Ch. 14 - Using the idea that reactions occur as a result of...Ch. 14 - Using the idea that reactions occur as a result of...Ch. 14 - What units are typically used to express the rate...Ch. 14 - Why is the reaction rate for reactants defined as...Ch. 14 - Explain the difference between the average rate of...Ch. 14 - Consider a simple reaction in which a reactant A...Ch. 14 - How is the order of a reaction generally...Ch. 14 - For a reaction with multiple reactants, how is the...
Ch. 14 - Explain the difference between the rate law for a...Ch. 14 - Write integrated rate laws for zero-order,...Ch. 14 - What does the term half-life mean? Write the...Ch. 14 - How do reaction rates typically depend on...Ch. 14 - Prob. 15ECh. 14 - What is an Arrhenius plot? Explain the...Ch. 14 - Explain the meaning of the orientation factor in...Ch. 14 - Explain the difference between a normal chemical...Ch. 14 - In a reaction mechanism, what is an elementary...Ch. 14 - What are the two requirements for a proposed...Ch. 14 - What is an intermediate within a reaction...Ch. 14 - What is a catalyst? How does a catalyst increase...Ch. 14 - Explain the difference between homogeneous...Ch. 14 - What are the four basic steps involved in...Ch. 14 - What are enzymes? What is the active site of an...Ch. 14 - What is the general two-step mechanism by which...Ch. 14 - Consider the reaction. 2HBr(g)H2(g)+Br2(g) Express...Ch. 14 - Consider the reaction 2N2O(g)2N2(g)+O2(g) Express...Ch. 14 - For the reaction 2A(g)+B(g)3C(g) determine the...Ch. 14 - For the reaction A(g)+12B(g)2C(g) determine the...Ch. 14 - Consider the reaction. Cl2(g)+3F2(g)2ClF3(g)...Ch. 14 - Consider the reaction. 8H2S(g)+4O2(g)8H2O(g)+S8(g)...Ch. 14 - Consider the reaction: C4H8(g)2C2H4(g) The...Ch. 14 - Consider the reaction: NO2(g)NO(g)+12O2(g) The...Ch. 14 - Consider the reaction. H2(g)+Br2(g)2HBr(g) The...Ch. 14 - Consider the reaction. 2H2O2(aq)2H2O(l)+O2(g) The...Ch. 14 - This graph shows a plot of the rate of a reaction...Ch. 14 - This graph shows a plot of the rate of a reaction...Ch. 14 - What are the units of k for each type of reaction?...Ch. 14 - This reaction is first order in N2O5:...Ch. 14 - A reaction in which A, B, and C react to form...Ch. 14 - A reaction in which A, B, and C react to form...Ch. 14 - Consider the tabulated data showing initial rate...Ch. 14 - Consider the tabulated data showing initial rate...Ch. 14 - The tabulated data were collected for this...Ch. 14 - The tabulated data were collected for this...Ch. 14 - Indicate the order of reaction consistent with...Ch. 14 - Indicate the order of reaction consistent with...Ch. 14 - The tabulated data show the concentration of AB...Ch. 14 - The tabulated data show the concentration of N2O5...Ch. 14 - The tabulated data show the concentration of...Ch. 14 - Prob. 52ECh. 14 - This reaction was monitored as a function of time:...Ch. 14 - This reaction was monitored as a function of time:...Ch. 14 - Prob. 55ECh. 14 - Prob. 56ECh. 14 - Prob. 57ECh. 14 - Prob. 58ECh. 14 - The diagram shows the energy of a reaction as the...Ch. 14 - Prob. 60ECh. 14 - Prob. 61ECh. 14 - Prob. 62ECh. 14 - Prob. 63ECh. 14 - The rate constant (k) for a reaction is measured...Ch. 14 - The tabulated data shown here were collected for...Ch. 14 - Prob. 66ECh. 14 - The tabulated data were collected for the...Ch. 14 - Prob. 68ECh. 14 - A reaction has a rate constant of 0.0117/s at...Ch. 14 - A reaction has a rate constant of 0.000122/s at...Ch. 14 - Prob. 71ECh. 14 - Prob. 72ECh. 14 - Prob. 73ECh. 14 - Prob. 74ECh. 14 - Prob. 75ECh. 14 - Prob. 76ECh. 14 - Consider this three-step mechanism for a...Ch. 14 - Prob. 78ECh. 14 - Prob. 79ECh. 14 - Prob. 80ECh. 14 - Suppose that a catalyst lowers the activation...Ch. 14 - The activation barrier for the hydrolysis of...Ch. 14 - The tabulated data were collected for this...Ch. 14 - Prob. 84ECh. 14 - Consider the reaction: A+B+CD The rate law for...Ch. 14 - Consider the reaction: 2O3(g)3O2(g) The rate law...Ch. 14 - At 700 K acetaldehyde decomposes in the gas phase...Ch. 14 - Prob. 88ECh. 14 - Dinitrogen pentoxide decomposes in the gas phase...Ch. 14 - Cyclopropane (C3H6) reacts to form propene (C3H6)...Ch. 14 - Iodine atoms combine to form I2 in liquid hexane...Ch. 14 - Prob. 92ECh. 14 - The reaction AB(aq)A(g)+B(g) is second order in AB...Ch. 14 - The reaction 2H2O2(aq)2H2O(l)+O2(g) is first order...Ch. 14 - Consider this energy diagram: a. How many...Ch. 14 - Consider the reaction in which HCI adds across the...Ch. 14 - The desorption of a single molecular layer of...Ch. 14 - The evaporation of a 120-nm film of n-pentane from...Ch. 14 - Prob. 99ECh. 14 - Prob. 100ECh. 14 - Prob. 101ECh. 14 - Consider the two reactions: O+N2NO+NEa= 315 kJ/mol...Ch. 14 - Anthropologists can estimate the age of a bone or...Ch. 14 - Prob. 104ECh. 14 - Consider the gas-phase reaction: H2(g)+I2(g)2HI(g)...Ch. 14 - Consider the reaction:...Ch. 14 - Prob. 107ECh. 14 - Prob. 108ECh. 14 - A certain substance X decomposes. Fifty percent of...Ch. 14 - Prob. 110ECh. 14 - Prob. 111ECh. 14 - Prob. 112ECh. 14 - Prob. 113ECh. 14 - Prob. 114ECh. 14 - Prob. 115ECh. 14 - Prob. 116ECh. 14 - Phosgene (Cl2CO), a poison gas used in World War...Ch. 14 - The rate of decomposition of N2O3(g) to NO2(g) and...Ch. 14 - At 473 K, for the elementary reaction...Ch. 14 - Prob. 120ECh. 14 - Prob. 121ECh. 14 - A particular reaction, Aproducts has a rate that...Ch. 14 - Prob. 123ECh. 14 - A certain compound, A, reacts to form products...Ch. 14 - Methane (CH4) is a greenhouse gas emitted by...Ch. 14 - This graph shows the concentration of the reactant...Ch. 14 - Prob. 2SAQCh. 14 - Prob. 3SAQCh. 14 - Prob. 4SAQCh. 14 - Prob. 5SAQCh. 14 - Prob. 6SAQCh. 14 - Prob. 7SAQCh. 14 - Prob. 8SAQCh. 14 - The rate constant of a reaction is measured at...Ch. 14 - Prob. 10SAQCh. 14 - The mechanism shown here is proposed for the...Ch. 14 - Prob. 12SAQCh. 14 - These images represent the first-order reaction AB...Ch. 14 - Prob. 14SAQCh. 14 - Prob. 15SAQ
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