Question #1481

How many calories of heat does it take to raise 100h of lead from 20˚ C to 30˚ C? The specific Heat of lead is 0.031 Calorie/gram˚C. Round your answer to the nearest whole number.

Expert's answer

The heat can be calculated by the following expression:
Q = ClmΔT = 0.031*100*(30-20) = 31 Calorie.

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