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How long will it take a 500W microwave oven to vaporize completely a 500g block of ice that is initially at zero degree Celsius? (Lf = 334 kJ/kg; cw = 4.184 kJ/kgC, Lv = 2257 kJ/kg) (Hint: This could be a long one, just be patient and work out the solution)



A. 1 min
B. 10 min
C. 1 hour
D. 10 hours
E. 1 day

This question is part of Test: Work, Energy and Power
Asked by Songj, Last updated: Dec 18, 2019

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songj

Songj

Answered Sep 24, 2017

1 hour
 

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