ICSE − Q & A

A copper vessel of mass 84 g contains 168 g of water at 40*C. How much ice is needed to cool it to 8*C?

Given:
Specific Heat Capacity of copper= 0.4 J/g*C
Specific Heat Capacity of water= 4.2 J/g*C
Specific Latent Heat of Fusion of Ice= 336 J/g

Plz answer with steps.

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