What is the expression for the equilibrium constant K for the following

# What is the expression for the equilibrium constant k

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10)What is the expression for the equilibrium constant, K, for the following chemical reaction: Fe2O3(s) + 3CO(g) 2Fe(s) + 3CO2(g) a.K = [CO2]3/ [CO]3b.K = [Fe]2[CO2]3/ [Fe2O3][CO]3c.K = [Fe]2[CO2]3/ [CO]3d.K = [CO2]3/ [Fe2O3][CO]3Not relevant topic not covered colligative properties Not relevant topic not covered colligative properties Hunter College of the City University of New York Department of Chemistry & Biochemistry CHEM 104 Spring 2014 Exam 1A 4 11)The value of K for the reaction Ag++ 2NH3Ag(NH3)2+is 1.1 x 107at 25°C. What is the value of K for the reaction Ag(NH3)2+Ag++ 2NH3? For Questions 12 - 16 consider the following reaction: H2(g) + I2(g) 2HI(g)ΔH° = 25.9 kJ/mol 12)If the concentration of HI(g) is doubled what would happen to the value of the equilibrium constant, K? 13)If the temperature of the system is doubled the equilibrium position will shift_________________ and the value of K will___________________: 14)If the volume of the container is doubled the equilibrium position will shift_________________ and the value of K will___________________: a.Shift left, decrease b.Shift left, not change c.Shift right, increase d.Shift right, not change e.Not change, not change 15)Which of the following changes will result in an increased yield of HI gas? 16)At room temperature the value of K for this reaction = 40. If initially [H2] = 0.50 M, [I2] = 0.50 and there is no HI in the system, what is the concentration of HI at equilibrium? Hunter College of the City University of New York Department of Chemistry & Biochemistry CHEM 104 Spring 2014 Exam 1A 5 17)Consider the following reaction mechanism for the overall reaction H2(g) + Cl2(g) 2HCl(g): Cl2(g) 2Cl-(g) Cl-(g) + H2(g) H2Cl(g) H2Cl(g) + Cl-(g)2HCl(g) Which of the following statements best describes the reaction intermediates for this mechanism? For Questions 18 21 consider the following reaction: S2O82-(aq) + 3I-(aq) 2 SO42-(aq) + I3-(aq)  #### You've reached the end of your free preview.

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