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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 released by steam = heat gained by water and calorimetry
`mL +m xx S (100 - 80) = (1.1 +0.02) xx S xx (80 - 15)`
`m xx 540 +20m = 1.12 xx 65, m = 0.130 kg`.
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