Asked by Domino

How much heat is required to raise the temperature of 100 g of lead 20 degrees C? The specific heat of lead is 0.0305 cal/g K.


A) 51 cal
B) 61 cal
C) 71 cal
D) 81 cal

Answers

Answered by DrBob222
The answer depends upon where the temperature is now. Assuming it is solid lead to solid lead (that is it does not go through a melting range or boiling range), it is
q = mass Pb x specific heat x 20
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