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Steam at 100^@C is passed into 1.1 kg of...

Steam at `100^@C` is passed into 1.1 kg of water contained in a calorimeter of water equivalent 0.02 kg at `15^@C`till the temperature of the calorimeter and its contents rises to `80^@C` . The mass of the steam condensed in kilogram is

A

`0.130`

B

`0.065`

C

`0.260`

D

`0.135`

Text Solution

Verified by Experts

The correct Answer is:
A
Heat lost by steam = Heat gained by water clorimeter
`:.mL+ms (100-80)=1.12xxsxx(80-15)`
or `m[540+(1xx20)]=1.20xx1xx65`
or `m=(1.12xx1xx65)/(650)=(65)/(500) kg or m =0.13 kg`
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