Calculate the amount of heat in Joules required to convert 25 grams of water at 100 - C into steam-Given - heat of vaporization of water - 2257 J-g

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Standard X

Physics

Method of Mixtures

Calculate the...

Question

Calculate the amount of heat (in Joules) required to convert 25 grams of water at $100^{\circ}$ C into steam?
(Given : heat of vaporization of water = 2257 J/g)

45367 J

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24536 J

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56425 J

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67593 J

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Solution

The correct option is C 56425 J
Amount of heat required to convert $25 g$ of water at $100^{o} C$ to $25 g$ of steam at $100^{o} C$ $= 25 \times 2257 J = 56425 J$

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