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
Verified Correct Answer: B.
Physical Principles & Numerical Solution
Q = mc\(\theta\)
= 0.05 x 390 x (70 - 20)
= 975J
Source: Myschool Past Questions Archive (Record #28066)