# science

When 90 kJ is removed from a 2-kg copper bar its temperature drops from 200 degrees celcius to 85 degrees celcius what is the specific heat of the iron?

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3. 👁 964
1. Q = M*C*(delta T)

Solve for C, with

deltaT = -115 C
Q = -90 kJ
M = 2.0 kg

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2. 0.391

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3. 0.39 kJ/kg degree C

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2. 👎 0

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