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Standard IX

Chemistry

Specific Heat

The specific ...

Question

The specific latent heat of vapourization of water is _______ .

80 kcal/kg

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1 cal/g

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540 cal/g

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226 cal/kg

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Solution

The correct option is C
540 cal/g

The specific latent heat of vapourization of water is 540 cal/g or 2260 J/g.

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Similar questions

The specific latent heat of fusion of water is:

(a) 80 cal $g^{- 1}$

(b) 2260 J $g^{- 1}$

(d) 336 J $k g^{- 1}$

2 kg

ice at

- 20^{\circ} C

is mixed with

5 kg

water at

20^{\circ} C

. Then final amount of water in the mixture would be
Given specific heat of ice

= 0.5 {cal/g}^{\circ} C

,
Specific heat of water

= 1 {cal/g}^{\circ} C

,
Latent heat of fusion for ice

= 80 cal/g

The S.I. unit of specific latent heat is :

(a) cal $g^{- 1}$

(b) cal $g^{- 1} K^{- 1}$

(d) J $k g^{- 1} K^{- 1}$

Q. A

10 kg

iron bar (specific heat

0.11 {cal/g}^{\circ} C

) at

80^{\circ} C

is placed on the block of ice. How much ice melts?
(Take latent heat of fusion as

80 cal/g

)

Q. A

10 kg

iron bar (specific heat

0.11 {cal/g}^{\circ} C

) at

80^{\circ} C

is placed on a big block of ice at

0^{\circ} C

. How much ice will it melts?
(Take latent heat of fusion as

80 cal/g

)

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The specific latent heat of vapourization of water is _______ .

The correct option is C 540 cal/gThe specific latent heat of vapourization of water is 540 cal/g or 2260 J/g.

The correct option is C
540 cal/g

The specific latent heat of vapourization of water is 540 cal/g or 2260 J/g.