Consider the reaction below at 850 K: 2SO 2 (g)+O 2 (g)⇌2SO 3 ...
Consider the reaction below at 850
K: 2SO 2 (g)+O 2 (g)⇌2SO 3 (g) Kc=15
Now lets think about how the reaction will proceed under the following sets of starting conditions. In each case predict if the reaction will proceed: \textbf{forwards,}forwards, or \textbf{backwards}backwards.
[SO2] = 0.15 M, [O_2][O2] = 0.68 M, [SO_3][SO3] = 0.36 M
The value of Q is
The reaction will proceed
[SO_2][SO 2 ] = 0.18 M, [O_2][O 2 ] = 0.10 M, [SO_3][SO 3 ] = 0.41 M
The value of Q is
The reaction will proceed
Homework Answers
1)
Q = [SO3]^2 / [SO2]^2 [O2]
= (0.36)^2 / (0.15^2 * 0.68)
= 8.5
Since Q < K, The reaction will proceed to product side.
Answer:
8.5
product
2)
Q = [SO3]^2 / [SO2]^2 [O2]
= (0.41)^2 / (0.18^2 * 0.10)
= 52
Since Q > K, The reaction will proceed to reactant side.
Answer:
52
Reactant
Add Answer to:
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