produced this change in temperature?
2. When 300 cal of energy is lost from a 125 g object, the temperature decreases from
45�C to 40�C. What is the specific heat of this object?
3. 1200 cal of heat energy is added to a liquid with a specific heat of 0.57 cal/g�C. If the
temperature increases from 20�C to 33�C, what is the mass of the liquid?
4. A piece of food is burned in a calorimeter that contains 200 g of water. If the
temperature of the water rose from 20�C to 45�C, how much heat energy was
contained in the food?
5. If the tested food in problem 4 had a mass of 10 grams, how many food calories per
gram was contained in the food?