which is transferred to other components d. As the water becomes hotter, so does Suppose that the microwave radiation has gth of 11.2 cm. Part A How many photons are required to heat 200 mL of coffee from 25 °C to 63 °C? Express your answer using two significant figures. N = 1.8x1028 photons Part B Suppose the microwave's power is 900W (1Watt = 1Joule/sec). How long would you have to heat the coffee in part A? Express your answer using two significant figures.
which is transferred to other components d. As the water becomes hotter, so does Suppose that the microwave radiation has gth of 11.2 cm. Part A How many photons are required to heat 200 mL of coffee from 25 °C to 63 °C? Express your answer using two significant figures. N = 1.8x1028 photons Part B Suppose the microwave's power is 900W (1Watt = 1Joule/sec). How long would you have to heat the coffee in part A? Express your answer using two significant figures.
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter7: Electronic Structure
Section: Chapter Questions
Problem 7.24QE: An FM radio station broadcasts at a frequency of 101.3 MHz. What is the wavelength, in meters and...
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Part A has been answered correctly and should be used to answer Part B
Transcribed Image Text:I Review I Constants I Periodic Table
Microwave ovens use microwave radiation to heat
food. The microwaves are absorbed by moisture in
the food, which is transferred to other components
of the food. As the water becomes hotter, so does
the food. Suppose that the microwave radiation has
a wavelength of 11.2 cm.
Part A
How many photons are required to heat 200 mL of coffee from 25 °C to 63 °C?
Express your answer using two significant figures.
N = 1.8x1028 photons
Part B
Suppose the microwave's power is 900W (1Watt = 1Joule/sec). How long would you have to heat the coffee in part
A?
Express your answer using two significant figures.
?
t =
S
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