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Mass action rato or reaction quotient Q ...

Mass action rato or reaction quotient Q for a reaction can be calculate using the law of masss action
`A(g)+B(g) hArr C(g)+D(g)`
`Q=([C][D])/([A][B])`
The value of Q decides whether the reaction is at equilibrium or not.
At equilibrium, `Q=K`
For an equilibrium process, `Q ne K`
when `Q gt K`, reaction will favour backward direction and when `Q lt K`, it will favour direction.
Answer the following questions:
For the reaction:
`2A+B hArr 3C` at `298 K, K_(c)=40`
A `4L` vessel contains `2, 1,` and `4` mol of A, B and c, respectively. The reaction at the same temperature

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