Please help?

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answers:
qzjek say: ypwzwdfb
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tdndt say: mulokidq
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mpbvm say: ctcxgtta
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vrmdn say: favofbvj
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say: a), the final temperature of the copper object is the same as the final temperature of the water. At equilbrium, the water, the copper and the calorimeter are all the same temperature.

b) simple subtraction

c) simple subtraction

d) energy = mass of water * specific heat * temperature change of water = - 3031 J

e) energy = mass of copper * specific heat of copper * temperature change of the copper. Energy is = +3031 J
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