alleryA 0.5 kg sample has c = 800 J kg−1 K−1. Heat for 10 K rise?
A400 J
B8000 J
C4000 J
D800 J
Answer & Solution
Correct answer: C. 4000 J
Using Q = mcΔT gives 0.5 × 800 × 10 = 4000 J.
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