660 CHAPTER 15 Chemical Equilibrium 15.51 At 2000 °C, the equilibrium constant for the reaction 2 NO(8) = N2(g) + O2(g) is Kc 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 2.4 X 103. If the initial concentration of NO is %3D 15.52 For the equilibrium – 2 Br2(g) + Cl2(g) = 2 BrCI(g) at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? %3D 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-ª for the equilibrium NH,SH(s) = NH3(8) + H2S(8) Calculate the equilibrium concentrations of NH3 and H,S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction CaSO (s) Co2t n2+
660 CHAPTER 15 Chemical Equilibrium 15.51 At 2000 °C, the equilibrium constant for the reaction 2 NO(8) = N2(g) + O2(g) is Kc 0.175 M, what are the equilibrium concentrations of NO, N2, and O2? 2.4 X 103. If the initial concentration of NO is %3D 15.52 For the equilibrium – 2 Br2(g) + Cl2(g) = 2 BrCI(g) at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2 are introduced into a 3.0-L container at 400 K, what will be the equilibrium concentrations of Br2, Cl2, and BrCl? %3D 15.53 At 373 K, Kp 0.416 for the equilibrium 2 NOB1(g) = 2 NO(g) + Br2(g) If the pressures of NOBr(g) and NO(g) are equal, what is the equilibrium pressure of Br2(8)? 15.54 At 218 °C, K. = 1.2 × 10-ª for the equilibrium NH,SH(s) = NH3(8) + H2S(8) Calculate the equilibrium concentrations of NH3 and H,S if a sample of solid NH,SH is placed in a closed vessel at 218 °C and decomposes until equilibrium is reached. 15.55 Consider the reaction CaSO (s) Co2t n2+
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Chapter1: Chemical Foundations
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Question 15.52
Transcribed Image Text:660
CHAPTER 15 Chemical Equilibrium
15.51 At 2000 °C, the equilibrium constant for the reaction
2 NO(8) = N2(g) + O2(g)
is Kc
0.175 M, what are the equilibrium concentrations of NO,
N2, and O2?
2.4 X 103. If the initial concentration of NO is
%3D
15.52 For the equilibrium
– 2
Br2(g) + Cl2(g) = 2 BrCI(g)
at 400 K, K. = 7.0. If 0.25 mol of Br, and 0.55 mol of Cl2
are introduced into a 3.0-L container at 400 K, what will
be the equilibrium concentrations of Br2, Cl2, and BrCl?
%3D
15.53 At 373 K, Kp
0.416 for the equilibrium
2 NOB1(g) = 2 NO(g) + Br2(g)
If the pressures of NOBr(g) and NO(g) are equal, what is
the equilibrium pressure of Br2(8)?
15.54 At 218 °C, K. = 1.2 × 10-ª for the equilibrium
NH,SH(s) = NH3(8) + H2S(8)
Calculate the equilibrium concentrations of NH3 and H,S
if a sample of solid NH,SH is placed in a closed vessel at
218 °C and decomposes until equilibrium is reached.
15.55 Consider the reaction
CaSO (s)
Co2t
n2+
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