alleryA 100 g sample has latent heat 250 kJ kg−1. Energy for the change?
A25 kJ
B250 kJ
C2.5 kJ
D2500 kJ
Answer & Solution
Correct answer: A. 25 kJ
The mass is 0.1 kg, so mL = 0.1 × 250 = 25 kJ.
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