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प्रश्न
4000 calories of heat energy is supplied to crushed ice at 0°C, such that it completely melts to form water at 0°C. If sp. latent heat of fusion of ice is 80 cal g−1, what is the mass of ice?
संख्यात्मक
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उत्तर
Given: Q = 4000 calories; L = 80 cal g−1
Heat absorbed by ice (Q) = mL
m = `Q/L`
= `4000/80`
= 50 g
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