Engineering Board Exam Reviewer · Thermodynamics · medium
How much heat is required to melt 2 kg of ice at 0 °C into water at 0 °C? (latent heat of fusion = 335 kJ/kg)
- 670 kJ
- 335 kJ
- 4514 kJ
- 167.5 kJ
Answer
A. 670 kJ
Solution
Q = m h if = 2(335) = 670 kJ.
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