celiHeavenry celiHeavenry

12-01-2017
Physics

Answered

How many calories of heat must you remove if you want to lower the temperature of 350 g of steel from 18.0 °c to 12.0 °c? the specific heat of steel is 0.11 cal/g °

c.?

Verified Answer :

MissPhiladelphia MissPhiladelphia

19-01-2017

Heat
to be removed in a system can be calculated by multiplying the given mass to the
specific heat capacity of the substance and the temperature difference. It is
expressed as follows:

Heat = mC(T2-T1)

Heat = 350(0.11)(12.0 - 18.0)
Heat = -231 cal

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