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Question

We have 20 Kg of a block of a substance at its melting point. The substance has a latent heat of fusion of 1500 Joules per kilogram and a specific heat at of 2500 Joules per kilogram degree Celcius. How much heat is needed to change the block entirely into a liquid?

A
30000 J
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B
750 J
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C
1250 J
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D
3000 J
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E
8000 J
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