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OpenStudy (anonymous):
When .200 g of Mg burns, the heat released in the reaction in the reaction increases the temperature of 50 g of water from 10 degrees Celsius to 33.7 degrees Celsius. What is the delta H for the combustion reation? Specific heat of water is 4.184 J g^-1 C^-1. I thought you would start by finding the heat (q) of water using the specific heat equation but I don't know what to do from there.
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