Answer to Question #81836 in General Chemistry for Divine Hope

Question #81836

If 500 Cal are needed to melt 10 grams of a substance, then what is the substance’s heat of fusion?

Thanks!

Expert's answer

m= 10 g

q= 500 cal= 2092 j

Formula: Hf= q/m

Hf=2092 j / 10 g=209,2 j/g

Answer: 209,2 j/g

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