1kg of copper is transferred quickly from boiling water to a block of ice. Calculate...

JAMB 1990

1kg of copper is transferred quickly from boiling water to a block of ice. Calculate the mass of ice melted, neglecting heat loss. [specific heat capacity of copper 400Jkg^-1K^-1 and latent heat of fusion of ice 333 x 10³Jkg^-1]

A. 60g
B. 67g
C. 120g
D. 133g

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Correct Answer: Option C

Explanation

Heat lost = heat gained

1 x 400 x (100 - 0) = m x 333000

m = 0.12kg

converting to grams; 0.12 x 1000

= 120g

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1kg of copper is transferred quickly from boiling water to a block of ice. Calculate...

Correct Answer: Option C

Explanation

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