Find the food caloric content of peanut butter


One tablespoon of peanut butter has a mass of 16 g. It is combusted in a calorimeter whose heat capacity is 120.0kJ/C. The temperature of the calorimeter rises from 22.2 degrees C to 25.4 degrees C. Find the food caloric content of peanut butter (kcal/g). Please show me all your steps! I keep getting 79.8 kcal/g and the actual answer is more like 4 or 5 kcal/g.

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Chemistry: Find the food caloric content of peanut butter
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