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Chemistry 9 Online
jesseharrison84:

How much energy is required to melt a 500. gram block of iron? The heat of vaporization is 6090 J/g and the heat of fusion is 247 J/g. 3.05x10 6 J 2.47x10 2 J 1.23x10 5 J 6.09x10 3 J

Vocaloid:

it's asking about melting so heat of fusion (247 J/g) is the relevant quantity. we're in J/g so you can simply multiply the heat of fusion by 500g to get J.

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