I In a process 10 gm of ice at -5oC is converted into steam at 100oC- If specific heat of water 1 cal g -1 - C -1- the heat required to rise the temperature of water 10 g from 0 -C to 100 -C-

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Byju's Answer

Standard XII

Physics

Specific Heat Capacity

i In a proces...

Question

(i) In a process 10 gm of ice at $- 5^{o} C$ is converted into steam at $100^{o} C$ . If specific heat of water 1 cal $g^{- 1}$ $^{\circ} C^{- 1}$ , the heat required to rise the temperature of water 10 g from $0^{\circ} C$ to $100^{\circ} C$ .

100 c a l

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1000 c a l

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10^{4}

cal

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10^{5}

cal

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Solution

The correct option is B $1000 c a l$
Given , $c = 1 c a l / g -^{o} C$
$m = 10 g$
Heat required to heat up the water at $100^{o} C$ from $0^{o} C$ , from the definition of specific heat ,
$Q = m c (100 - 0) = 10 \times 1 \times 100 = 1000 c a l$ ,

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(i) In a process 10 gm of ice at −5oC is converted into steam at 100oC. If specific heat of water 1 cal g−1∘C−1, the heat required to rise the temperature of water 10 g from 0∘C to 100∘C.

The correct option is B 1000calGiven , c=1cal/g−oCm=10gHeat required to heat up the water at 100oC from 0oC , from the definition of specific heat , Q=mc(100−0)=10×1×100=1000cal ,

(i) In a process 10 gm of ice at $- 5^{o} C$ is converted into steam at $100^{o} C$ . If specific heat of water 1 cal $g^{- 1}$ $^{\circ} C^{- 1}$ , the heat required to rise the temperature of water 10 g from $0^{\circ} C$ to $100^{\circ} C$ .

The correct option is B $1000 c a l$
Given , $c = 1 c a l / g -^{o} C$
$m = 10 g$
Heat required to heat up the water at $100^{o} C$ from $0^{o} C$ , from the definition of specific heat ,
$Q = m c (100 - 0) = 10 \times 1 \times 100 = 1000 c a l$ ,