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Chapter 13: Chemical Equilibrium CHEM 2Batmospheres: it progressing?. 13.3 In a study of the conversion of methane to other fuels, a chemical engineer at equilibrium?. At this temperatur

Chapter 13: Chemical Equilibrium (CHEM 2B)

atmospheres:

it progressing?

13.3 In a study of the conversion of methane to other fuels, a chemical engineer

at equilibrium? Kc = 0.26 for the equation

to regulate the proportions of synthetic fuel mixtures If 0.250 mol of CO and

of the equilibrium mixture? At this temperature, Kc is 1.56 for the equation:

13.5 Phosgene is a potent chemical warfare agent that is now outlawed by international agreement It decomposes by the reaction

phosgene decomposes and reaches equilibrium in a 1O.0-L flask:

13.6 The research and development unit of a chemical company is studying the

0.036

(a) In which direction will the reaction proceed to reach equilibrium?

other substances?

13.7 To improve air quality and obtain an useful product, chemists often remove sulfur from coal and natural gas by treating the fuel contaminant hydrogen sulfide

What happens to

12.8 How would you change the volume of each of the following reactions to increase the yield of the products?

12.9 How does an increase in temperature affect the equilibrium concentration of the underlined substance and Kc for each of the following reactions?

13.10 For the reaction of nitrogen with hydrogen to produce ammonia:

the equilibrium concentrations of N2, H2, and NH3 are 0.15, 0.80, and 0.20 mol/L respectively at 400°C What is the value of Kc?

13.11 For the same reaction in Problem 13.10 but at a different temperature, if one starts with 0.1 8 mol/L of both hydrogen and nitrogen, the equilibrium concentration of ammonia is 0.040 mol/L Calculate Kc·

10.12 When gasoline burns in an automobile, the temperature is high enough that nitric oxide forms from the elements nitrogen and oxygen :

At 2000°C, Kc for this reaction is 0.10 What are the equilibrium concentrations of

13.14 For the Haber process in which nitrogen is converted to ammonia

At

Additional problems:

Chapter 13: 19, 21, 23, 33, 37, 41, 47, 49, 51,53, 57, 59, 65, 67, 69

Deadline: 08/22/2011