Multiplying Equilibrium Constants?

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chloewinnett1L
Posts: 55
Joined: Fri Sep 28, 2018 12:20 am

Multiplying Equilibrium Constants?

Postby chloewinnett1L » Thu Jan 10, 2019 1:00 am

Under what circumstances do you multiply two K values? I was doing problem #3 in Focus 5H and I'm not quite sure why you're supposed to multiply the K values instead of adding them.

Sam Joslyn 1G
Posts: 34
Joined: Fri Sep 28, 2018 12:20 am

Re: Multiplying Equilibrium Constants?

Postby Sam Joslyn 1G » Thu Jan 10, 2019 9:08 am

When a chemical reaction can be composed of two or more other basic reactions, it's called a composite reaction. With these, you always multiply the two K's of the reactions that make up the composite reaction together as a rule. So I think that when it comes to composite reactions, always multiply the K's.


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