Chemistry, 12.06.2020 18:57 bumeh511

If it takes 450 J of energy to melt 5 g of a substance, how many joules would be needed to melt 15 g? A. 9000 J
B. 6750 J
C. 2250 J
D. 1350 J

Answers: 2

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If it takes 450 J of energy to melt 5 g of a substance, how many joules would be needed to melt 15 g...