How much energy in calories is absorbed when 50.0 g of ice cubes melt? The heat of fusion of H2O is 79.7 cal/g.

Question

How much energy in calories is absorbed when 50.0 g of ice cubes melt? The heat of fusion of [latex]H_{2}O[/latex] is 79.7 cal/g.
Analysis
Use the heat of fusion as a conversion factor to determine the amount of energy absorbed in melting.

Accepted Answer

[1] Identify the original quantity and the desired quantity.

50.0 g ? calories
original quantity desired quantity

[2] Write out the conversion factors.
• Use the heat of fusion as a conversion factor to convert grams to calories.

[3] Solve the problem.

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