PhysicsQuantity of heatJAMB
How much heat is needed to raise the temperature of 500 g of water by 20 K? (c = 4200 J/(kg K))
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Answer: C. 42 000 J
Q = mcΔθ = 0.5 × 4200 × 20 = 42 000 J.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.