Reverse reactions

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Mya Majewski 1L
Posts: 89
Joined: Fri Sep 25, 2015 3:00 am

Reverse reactions

Postby Mya Majewski 1L » Fri Feb 19, 2016 6:37 pm

If given concentrations of a reaction, and the balanced reaction. How do you find K and if the reaction is going forward or reverse?

Jiangyuan Luo 1K
Posts: 15
Joined: Fri Sep 25, 2015 3:00 am

Re: Reverse reactions

Postby Jiangyuan Luo 1K » Fri Feb 19, 2016 6:51 pm

Are you referring to a question in today's quiz? I think you can not find the K (equilibrium constant) if only the concentrations are provided because you do not know if the reaction is at equilibrium. Instead you can calculate the Q, which equals to k(forward)/k(backward) at that instant moment. However, you have to be given k(forward) or k(backward) to calculate the other one.

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