The molar heat of fusion of water is 6.02 kJ/mol. Calculate the energy required to melt 14.7 g of water.

Name: The molar heat of fusion of water is 6.02 kJ/mol. Calculate the energy required to melt 14.7 g of water.
Brand: Quizplus
Rating: 4.7 (51 reviews)

Question

Quizplus · Accepted Answer

First, we need to calculate the number of moles of water:
n = m/M
n = 14.7 g / 18.015 g/mol = 0.8159 mol
Then, we can use the formula for the energy required to melt a substance:
q = nΔHfus
q = 0.8159 mol × 6.02 kJ/mol = 4.91 kJ
Therefore, the answer is B.

The Molar Heat of Fusion of Water Is 6