What is the amount of heat required to change 20 g of ice at -200C to completely evaporate?[Specific heat capacity of ic

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answerhappygod
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What is the amount of heat required to change 20 g of ice at -200C to completely evaporate?[Specific heat capacity of ic

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What is the amount ofheat required to change 20 g of ice at -200C tocompletely evaporate?[Specific heat capacity of ice = 0.5cal/g0C, Specific heat capacity of water = 1cal/g0C, Latent heat of fusion of ice = 79.6 cal/g,Latent heat of vaporization of water = 539 cal/g]
15247 cal
12457 cal
14572 cal
17245 cal
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