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

asked Apr 8, 2021 75.2k views

5 votes

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

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4 votes

Answer:

D.1350

Step-by-step explanation:

Because 5×3=15 and 450×3=1350

Meet Dave answered Apr 12, 2021

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