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Steam at100^(@)C is passed into 20g...

Steam at`100^(@)C ` is passed into 20g of water at `10^(C` when water acquires temp of `80^(@)C` the mass of water present will be (take specifies heat of water 1 cal `g^(1) c^(-1)` & latent heat of steam =540 cal `g^(-1) c^(-1)`

A

`42.5 g`

B

`22.5 g`

C

`24 g`

D

`31 . 5g`

Text Solution

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The correct Answer is:
B
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Steam at 100^@ C is passed.into 20 g of water at 10^@C Whenwater acquires a temperature of 80^@C the mass of water present will be :[take specific heat of steam =1 cal g^-1^@C^-1 and latent of water =540 cal g^-1 ]

Specific heat of Water : 1 cal// g^(@)C :: Kerosene : …….

Knowledge Check

  • The specific heat capacity of water is ____ cal//g^(@)C

    A
    10
    B
    1
    C
    1.5
    D
    0.5

  • When 1Kg of water at 10 ^(@) C is mixed with 1kg of water at 65 ^(@) C , the temperature of the mixute is :

    A
    Less than `100 ^(@) C `
    B
    Less `100^(@)C `
    C
    Equal to `100 ^(@)C `
    D
    Less than `100 ^(@)C ` but more than `65^(@) C `

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