Microwave ovens use microwave radiation to heat food. The energy of the microwaves is absorbed by water
Question:
(a) Suppose that the microwave radiation has a wavelength of 11.2 cm. How many photons are required to heat 200 mL of coffee from 23oC to 60oC?
(b) Suppose the microwave's power is 900 W (1 Watt = 1 Joule-second). How long would you have to heat the coffee in part (a)?
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Related Book For
Chemistry The Central Science
ISBN: 978-0321696724
12th edition
Authors: Theodore Brown, Eugene LeMay, Bruce Bursten, Catherine Murphy, Patrick Woodward
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