When heated, hydrogen sulfide gas decomposes according to the equation below. A 3.40 g sample of H,S is introduced into an evacuated rigid 1.25 L container. The sealed container is heated to 483 K, and 3.72 X 10² mol of S, is present at equilibrium. 2 (a) 2H2S (a) S2 (@) + 2H2 (9) a) Write the expression for the equilibrium constant, K, for the decomposition reaction above. b) Calculate the equilibrium concentration, in molL, of the following gases in the container at 483 K. i) ii) H,S ) c) Calculate the value of the equilibrium constant, K. for the decomposition reaction at 483 K.

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When heated, hydrogen sulfide gas decomposes according to the equation below. A 3.40 g
sample of H,S is introduced into an evacuated rigid 1.25 L container. The sealed container is
heated to 483 K, and 3.72 X 102 mol of S, is present at equilibrium.
2 (a)
2H2S (a)
+ 2H2 ()
++
a) Write the expression for the equilibrium constant, K, for the decomposition reaction above.
b) Calculate the equilibrium concentration, in mol L, of the following gases in the container at
483 K.
H2
i)
HS )
i)
c) Calculate the value of the equilibrium constant, K for the decomposition reaction at 483 K.
d) Calculate the partial pressure of S in the container at equilibrium at 483 K.
(a)
S2 )
H,S at 483 K, calculate the value of the equilibnum
e) For the reaction H,2 +
constant, K.
(a)
2,9)
Transcribed Image Text:When heated, hydrogen sulfide gas decomposes according to the equation below. A 3.40 g sample of H,S is introduced into an evacuated rigid 1.25 L container. The sealed container is heated to 483 K, and 3.72 X 102 mol of S, is present at equilibrium. 2 (a) 2H2S (a) + 2H2 () ++ a) Write the expression for the equilibrium constant, K, for the decomposition reaction above. b) Calculate the equilibrium concentration, in mol L, of the following gases in the container at 483 K. H2 i) HS ) i) c) Calculate the value of the equilibrium constant, K for the decomposition reaction at 483 K. d) Calculate the partial pressure of S in the container at equilibrium at 483 K. (a) S2 ) H,S at 483 K, calculate the value of the equilibnum e) For the reaction H,2 + constant, K. (a) 2,9)
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