Delta of combustion of the propane
Question: 3 grams of propane burns and warms 100 grams of water from 20 degrees Celsius to 100 degrees Celsius. What is the delta H of combustion of the propane. What is the sign (positive or negative) of delta H?
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A 5.45g combustible sample is burned in a calorimeter. The heat generated changes the temperature of 555g water from 20.5 C to 39.5 C. How much energy is released by the burning? The specific heat of water is 4.18 J/(C g).
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