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If Kc for H2 + I2 to 2HI is 57.0 at 700 K, Kc for 2HI to H2 + I2 is
A7.55
B57.0
C3249
D0.0175
Answer & Solution
Correct answer: D. 0.0175
The reverse reaction has Kc equal to the reciprocal, 1/57.0 = 0.0175.
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