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The amount of heat energy required to in...

The amount of heat energy required to increase the temperature of 20 g of water by `1^(@)C` is ______.

A

10 cal

B

20 cal

C

15 cal

D

2 cal.

Text Solution

Verified by Experts

The correct Answer is:
B
Specific heat of water is 1 cal `g^(-1) .^(@)C`.
Amount of heat energy required is `20 xx 1` = 20 cal.
1 cal - 1 g
? - 20 g
= 20 cal
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