How much heat is absorbed when a block of coppe... - JAMB Physics 1992 Question
How much heat is absorbed when a block of copper of mass 0.05kg and specific heat capacity 390Jkg-1K-1 is heated from 20oC to 70oC?
A
39 . 98 x 10-1J
B
9.75 x 102J
C
3.98 x 103J
D
9.75 x 103J
correct option: b
Q = mc(\theta)
= 0.05 x 390 x (70 - 20)
= 975J
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