## problem 11.89

Laura Riccardelli
Posts: 49
Joined: Fri Sep 29, 2017 7:04 am

### problem 11.89

The problem has a graph and asks you to write a balanced chemical equation for it but gives no coefficients. How do you write the balanced equation?

Hannah Chew 2A
Posts: 76
Joined: Fri Sep 29, 2017 7:05 am
Been upvoted: 2 times

### Re: problem 11.89

First identify which is a reactant and which is a product. Since the partial pressure of A decreases, it must be a reactant. Conversely, the partial pressures of B and C increase, so they must be products. To figure out the coefficients, you have to look at the numerical values of each partial pressure. A decreases by 10kPA, B increases by 5kPA, and C increases by 5kPa. Therefore, A and C must have a coefficient of 2 while B has a coefficient of 1. The equation would be: 2A --> B + 2C

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