Calculate the amount of heat (in kj) required to raise the temperature of a 79.0 g sample of ethanol from 298.0 k to 385.0 k. the specific heat capacity of ethanol is 2.42 j/g°c.

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Physics

Emery

12 March, 10:52

Calculate the amount of heat (in kj) required to raise the temperature of a 79.0 g sample of ethanol from 298.0 k to 385.0 k. the specific heat capacity of ethanol is 2.42 j/g°c.

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Milo Gray · Answer 1

We are given with the specific heat capacity of ethanol, the mass of the sample and the temperature change to determine the total amount of heat to raise the temperature. The formula to be followed is H = mCpΔT. Upon subsituting, H = 79 g * 2.42 J/gC * (385-298) C = 16.63 kJ