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April 17, 2014

Homework Help: Chemistry 12

Posted by KnowsNothing on Monday, February 4, 2013 at 7:05pm.

The complete combustion of 1.00mL of octane increases the temperature of 250.00g of water by 22.7 degrees Celsius. The density of octane is 0.70g/mL. What is the efficiency of the octane in heating the water?

I attempted this question and I have -400 something percent efficiency...

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