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Unformatted text preview: of heat from the surroundings and does 85 J of work on the surroundings. 4. A 400.0g sample of water is at 30.0 º C. How many joules of energy are required to raise the temperature of the water to 45.0 º C? 5. A sample of metal with a mass of 650.0g is heated to 98.0 º C and dropped into 500.0g of water at 28.4 º C. The water temperature rises to 39.0 º C. Assume there is no heat lost to the environment. A. What is the amount of heat gained by the water? B. What is the specific heat of the metal?...
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This note was uploaded on 02/15/2011 for the course CHEM 141 taught by Professor Milner,e during the Fall '08 term at Jackson State.
- Fall '08