Suppose that the microwave radiation has a wavelength of 12.4 cm . How many photons are required to heat 215 mL of coffee from 25.0 °C to 62.0 ° C? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J/(g · K) , as water over this temperature range. Express the number of photons numerically. > View Available Hint(s)

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Please answer question 4 part A

Microwave ovens use microwave radiation to heat
food. The microwaves are absorbed by the water
molecules in the food, which is transferred to other
Part A
components of the food. As the water becomes
hotter, so does the food.
Suppose that the microwave radiation has a wavelength of 12.4 cm . How many photons are required to heat 215
mL of coffee from 25.0 °C to 62.0 °C? Assume that the coffee has the same density, 0.997 g/mL , and specific
heat capacity, 4.184 J/(g · K) , as water over this temperature range.
Express the number of photons numerically.
• View Available Hint(s)
?
photons
Transcribed Image Text:Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by the water molecules in the food, which is transferred to other Part A components of the food. As the water becomes hotter, so does the food. Suppose that the microwave radiation has a wavelength of 12.4 cm . How many photons are required to heat 215 mL of coffee from 25.0 °C to 62.0 °C? Assume that the coffee has the same density, 0.997 g/mL , and specific heat capacity, 4.184 J/(g · K) , as water over this temperature range. Express the number of photons numerically. • View Available Hint(s) ? photons
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