1. How many joules of heat are required to raise the temperature of 550 g of water from 12.0 °C to 18.0 °C?
2. How much heat is lost when a 640 g piece of copper cools from 375 °C, to 26 °C?
3. If 4786 Joules of heat are transferred to a 89.0 gram sample of an unknown material, with an initial temperature of 23.0 °C. What is the specific heat of the material if the final temperature is 89.5 °C?
4. How many joules of heat are necessary to raise the temperature of 350ml of water from 1.00 °C to 5.00 °C?
5. Find the mass of a piece of copper when 8000.0 J of heat are applied, causing a 45 °C increase in temperature.