Question

A 1 Kg piece of iron at 730 degree C is put into water tank at 30 degree C. If after cooling, iron comes down to 30 degree C, find the amount of heat released by iron. (Heat capacity of iron = 500 J/Kg C)

Answer 1

Answer:

ANSWER

Heat lost by iron =Heat gained by water

Let the specific heat of iron be c

50×c×(100−25.5)=100×1×(25.5−20)

on solving we get c=0.147 cal g

−1

C

−1

Explanation:

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