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Question: A 2kg copper block is heated to 500<sup>0</sup>C and then it is placed on a large block of ice at 0<...

A 2kg copper block is heated to 5000C and then it is placed on a large block of ice at 00C. If the specific heat capacity of copper is 400 J/kg/0C and latent heat of water is 3.5 × 105 J/kg. The amount of ice that can melt is –

A

(7/8) kg

B

(7/5) kg

C

(8/7) kg

D

(5/7) kg

Answer

(8/7) kg

Explanation

Solution

Heat lost by copper = heat gain by ice

2 × 400 × [500 –0] = x × 3.5 × 105

\ x = 87\frac{8}{7} kg