101-10-slides

# 101-10-slides - At 25C, the same quantity of heat is added...

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At 25ºC, the same quantity of heat is added to 1.00-g samples of gold and iron. Identify the correct statement. c Au = 0.128 J g -1 C -1 , c Fe = 0.451 J g -1 C -1 1 2 3 4 5 0% 0% 0% 0% 0% 1. The temperatures of both will remain the same. 2. The temperatures of both will increase by the same amount. 3. The temperatures of both will decrease by the same amount. 4. The temperature of the gold sample will rise higher than that of iron. 5. The temperature of the iron sample will rise higher than that of gold. 0 of 5 2011 D.B. King

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A 216-g piece of copper (c = 0.385 J/g- C) is heated to 100 C in a boiling water bath and then put in a beaker containing 350 mL of water (density = 1 g/mL, c = 4.184 J/g- C) at 21 C. What is the final temp of the copper and water after they reach thermal equilibrium? 1 2 3 4 0% 0% 0% 0% 1. 21-30 C 2. 30-50 C 3. 50-75 C 4. 75-100 C 0 of 5 2011 D.B. King
Which has more energy, steam or water? What happens to the energy of a molecule when you heat it? energy used to heat water must come

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## This note was uploaded on 01/15/2012 for the course CHEMISTRY 101 taught by Professor King during the Spring '11 term at Drexel.

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101-10-slides - At 25C, the same quantity of heat is added...

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