How much heat is absorbed by a 20 g granite piece as energy from the sun causes its temperature to change from 10C to 29C ( specif heat capacity of granite is 0.1 cal g-1 C-1

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Solution

the above mentors answer is correct

1 cal_th = 4.184 J

159.0984 J = 159.0984/4.184

= nearly 38 cal

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