The equilibrium constant K, for the reactionHCN(aq) =H*(aq) + CN (aq)is 4.9 x 10-10 at 25 °C. Calculate the equilibrium concentrations of all species at 25°C in a 0.150 Msolution of aqueous HCN.[HCN]eq =x 10M[H*]eq =X 10M%3D(CN JegMx 10rawill< Prev19 of 27NexDIIF1F2 The equilibrium constant K, for the reactionH,(g) + I,(g) = 2 HI(g)is 54.3 at 430°C. Calculate the equilibrium concentrations of H2, I2, and HI at 430°C if the initialconcentrations are [H2] = [I2] = 0.222 M and [HI] = 0 M.[HzlegMM%3D[HI]eM< Prev18 of 27EE

The equilibrium concentration can be calculated as follows

The equilibrium constant K, for the reaction HCN(aq) =H*(aq) + CN (aq) is 4.9 x 10-10 at 25 °C. Calculate the equilibrium concentrations of all species at 25°C in a 0.150 M solution of aqueous HCN. [HCN]eq° x 10 M [H*]eq X 10 M %3D |CN ]eq x 10 %3D

The equilibrium constant K, for the reaction HCN(aq) =H(aq) + CN (aq) is 4.9 x 10-10 at 25 °C. Calculate the equilibrium concentrations of all species at 25°C in a 0.150 M solution of aqueous HCN. [HCN]eq° x 10 M [H]eq X 10 M %3D |CN ]eq x 10 %3D

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 14.95QE: Nitrogen, hydrogen, and ammonia are in equilibrium in a 1000-L reactor at 550 K. The concentration...

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Question

100%

The equilibrium constant K, for the reaction
HCN(aq) =H*(aq) + CN (aq)
is 4.9 x 10-10 at 25 °C. Calculate the equilibrium concentrations of all species at 25°C in a 0.150 M
solution of aqueous HCN.
[HCN]eq =
x 10
M
[H*]eq =
X 10
M
%3D
(CN Jeg
M
x 10
raw
ill
< Prev
19 of 27
Nex
DII
F1
F2

The equilibrium constant K, for the reaction
H,(g) + I,(g) = 2 HI(g)
is 54.3 at 430°C. Calculate the equilibrium concentrations of H2, I2, and HI at 430°C if the initial
concentrations are [H2] = [I2] = 0.222 M and [HI] = 0 M.
[Hzleg
M
M
%3D
[HI]e
M
< Prev
18 of 27
EE

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