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How many calories are needed to change the temperature of
Chapter 9, Problem 29RQ(choose chapter or problem)
QUESTION:
How many calories are needed to change the temperature of 1 g of water by 1°C? To melt 1 g of ice at 0°C? To vaporize 1 g of boiling water at 100°C?
Questions & Answers
QUESTION:
How many calories are needed to change the temperature of 1 g of water by 1°C? To melt 1 g of ice at 0°C? To vaporize 1 g of boiling water at 100°C?
ANSWER:Solution 29RQ Step 1 of 3: Heat is the total kinetic energy of all the molecules in an object. Although energy is typically measured in joules, a more common unit for measuring heat is the calorie, which is defined as the amount of heat required to change the temperature of 1 gram of water by 1 Celsius degree. Therefore,one calorie will raise 1 gram of water by 1 degree celsius.