A piece of metal of mass 50g is cooled from 80oC to 20oC. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg-1K-1)

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A piece of metal of mass 50g is cooled from 80oC to 20oC. Calculate the amount of heat ...

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A piece of metal of mass 50g is cooled from 80^oC to 20^oC. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg^-1K^-1)

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A 4.50 x 10³J
B 2.25 x 10³J
C 1.80 x 10³J
D 1.35 x 10³J

Correct Answer: Option D

Explanation:

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A piece of metal of mass 50g is cooled from 80oC to 20oC. Calculate the amount of heat ...

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

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