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Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by the water molecules 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 cm. How many photons are required to heat 228 mL of coffee from 24.9 °C to 59.6 °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. Enter your answer numerically and in terms of number of photons. Whatever answer you get multiply it by 1e-27 and enter that answer to 4 decimal places

Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by the water molecules 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 cm. How many photons are required to heat 228 mL of coffee from 24.9 °C to 59.6 °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. Enter your answer numerically and in terms of number of photons. Whatever answer you get multiply it by 1e-27 and enter that answer to 4 decimal places

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Microwave ovens use microwave radiation to heat food. The microwaves are absorbed by the water molecules 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 cm. How many photons are required to heat 228 mL of coffee from 24.9 °C to 59.6 °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. Enter your answer numerically and in terms of number of photons. Whatever answer you get multiply it by 1e-27 and enter that answer to 4 decimal places
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 components of the food. As the water becomes hotter, so does the food. Suppose that the microwave radiation has a wavelength of 11 cm. How many photons are required to heat 228 mL of coffee from 24.9 °C to 59.6 °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. Enter your answer numerically and in terms of number of photons. Whatever answer you get multiply it by 1e-27 and enter that answer to 4 decimal places
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