Max P.

asked • 03/23/22

A block of ice at -17 degrees C is converted to water at 29 degrees C when 9.4 X 10^5 J of thermal energy is added to the system. What is the mass of the water.

1 Expert Answer

By:

Max P.

For this problem how would I find the Cw T2 ? And what number is the Liquid fusion.
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03/24/22

Timothy D.

tutor
The latent heat of fusion is a constant you can find in a text or online, same with specific heat of water. Change in T2 is 29 degrees - 0 degrees C. Change in T1 is 0 - (-17) = 17
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03/24/22

Max P.

Okay so would the lf be 334 and the Q be the 9.4 number ?
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03/24/22

Timothy D.

tutor
Yes Q-total is 9.4 and Lf is 334, but make sure your units of every variable matches up so they can cancel. The units are what you need to pay attention to.
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03/24/22

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