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Question
Given the reaction between 2 gases represented by A2 and B2 to give the compound AB(g),

A2(g) + B2(g) $\rightleftharpoons$ 2AB(g)

At equilibrium, the concentration of
A2 = 3.0 $ \times $ 10$-$3 M, of B2 = 4.2 $ \times $ 10$-$3 M, of AB = 2.8 $ \times $ 10$-$3 M
If the reaction takes place in a sealed vessel at 527oC, then the value of Kc will be
2.0
1.9
0.62
4.5

Solution

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