Calculate the heat change in calories for freezing 55 g of water at 0 ∘C.
Express your answer as a positive value using two significant figures and include the appropriate units.
Calculate the heat change in calories for freezing 55 g of water at 0 ∘C.?
2016-02-20 7:16 am
回答 (1)
2016-02-20 7:33 am
Heat is released when water freezes.
Specific latent heat of fusion of water, L = 79.72 cal/g
Heat released
= m L
= (55 g) × (79.72 cal/g)
= 4380 cal
Specific latent heat of fusion of water, L = 79.72 cal/g
Heat released
= m L
= (55 g) × (79.72 cal/g)
= 4380 cal
收錄日期: 2021-04-18 14:36:53
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