Consider a microwave that is rated 1100 W and that at full power heats 250 mL of
Question:
Consider a microwave that is rated 1100 W and that at full power heats 250 mL of water from 20°C to 95°C in 2 minutes.
(a). What is the total change in internal energy of the water?
(b). If the electrical power supplied to the microwave is really 1100 W, what is the total quantity of electrical work supplied to the microwave in 2 minutes?
(c). What fraction of the electrical power supplied to the microwave is converted to internal energy of the water?
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Related Book For 
Introduction To Chemical Engineering Thermodynamics
ISBN: 9781260597684
9th International Edition
Authors: J.M. Smith, Mark Swihart Hendrick C. Van Ness, Michael Abbott
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