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a sample of solid diamond is heated with an electrical coil. If 93.7 J of energy...

a sample of solid diamond is heated with an electrical coil. If 93.7 J of energy are added to an 11.8 gram sample and the final temperature is 38.1°C, what is the initial temperature of the diamond ?
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Answer #1

mass of sample diamond = 11.8 g

energy = 93.7 J

final temperature = 38.1 oC

specific heat = 0.52 J/ g oC

Q = m Cp dT

93.7 = 11.8 x 0.52 x (38.1 - Ti)

Ti = 22.8

initial temperature = 22.8 oC

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