(a) (b) The formation constant, Kf, of Ni(CN)2(aq) Ni2+ (aq) + 4 CN- (aq) = Ni(CN)2(aq) is 2.1 x 10³1. We dissolve 0.0444 mol of Ni(NO3)2 in 1.000 L of a 0.777 M solution of NaCN. Make the approximation that the volume remains fixed at 1.000 L. What will be the concentrations of Ni²+ (aq), CN- (aq), and Ni(CN)2(aq) at equilibrium? The temperature is 25.0 °C. For the reaction 2 A(s) B(g) + 3 C(g), we begin with only pure A(s). We attain equilibrium. At equilibrium, the total pressure is 8.00 atm. What is the value of AG for this reaction? The temperature is 25.0 °C throughout.

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter14: Chemical Equilibrium
Section: Chapter Questions
Problem 14.98QE
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(a)
(b)
The formation constant, Kf, of Ni(CN)2(aq)
Ni²+ (aq) + 4 CN¯(aq) ⇒ Ni(CN)²(aq)
is 2.1 x 10³¹. We dissolve 0.0444 mol of Ni(NO3)2 in 1.000 L of a 0.777 M solution of NaCN. Make
the approximation that the volume remains fixed at 1.000 L. What will be the concentrations of
Ni²+ (aq), CN- (aq), and Ni(CN)2(aq) at equilibrium? The temperature is 25.0 °C.
For the reaction 2 A(s) = B(g) + 3 C(g), we begin with only pure A(s). We attain
equilibrium. At equilibrium, the total pressure is 8.00 atm. What is the value of AG for this
reaction? The temperature is 25.0 °C throughout.
Transcribed Image Text:(a) (b) The formation constant, Kf, of Ni(CN)2(aq) Ni²+ (aq) + 4 CN¯(aq) ⇒ Ni(CN)²(aq) is 2.1 x 10³¹. We dissolve 0.0444 mol of Ni(NO3)2 in 1.000 L of a 0.777 M solution of NaCN. Make the approximation that the volume remains fixed at 1.000 L. What will be the concentrations of Ni²+ (aq), CN- (aq), and Ni(CN)2(aq) at equilibrium? The temperature is 25.0 °C. For the reaction 2 A(s) = B(g) + 3 C(g), we begin with only pure A(s). We attain equilibrium. At equilibrium, the total pressure is 8.00 atm. What is the value of AG for this reaction? The temperature is 25.0 °C throughout.
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