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Introduction to Le Chatelier's Principle

The value of ...

Question

The value of $K_{c}$ is $0.50$ for the reaction $N_{2} + 3 H_{2} ⇌ 2 N H_{3}$ , at $400^{o} C$ . Calculate the value of $K_{p}$ for the given reaction at the same temperature.
$(R = 0.082 a t m d e g m o l e)$

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Solution

$N_{2} + 3 h_{2} ⇄ α N h,$
$△ h = 2 - 4 = - α$
$K P = K_{c} (R T)^{△ h}$
$K P = 0.5 (0.08 α \times 400)^{- 2}$
$K P = \frac{0.5}{(32)^{2}}$
$K P = 0.000488$

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