how much energy is required to melt 2.5 moles of ice as 0.0 degrees Celsius to liquid water at 0.0 degrees Celsius

Question

Physics

Gina Best

6 February, 02:05

how much energy is required to melt 2.5 moles of ice as 0.0 degrees Celsius to liquid water at 0.0 degrees Celsius

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Answers (1)

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Reyna Buchanan · Answer 1

15 kJ

Explanation:

The latent heat of water at 0°C is 334 J/g.

1 mole of water is 18 g.

m = 2.5 mol * 18 g/mol

m = 45 g

q = mL

q = (45 g) (334 J/g)

q ≈ 15,000 J

It takes about 15 kJ.