A 300mL cup of a hot drink at 95 ° C is left in an environment at 23 ° C subject to a heat transfer coefficient of 20 W / (m² · K). This cup can be approached to a cylinder with a surface area equal to 0.028m². What is the temperature of this drink after 238 minutes? Consider that the properties of this drink are constant: ρ = 998 kg / m³; Cp = 4180 J / (kg · K); k = 0.665 W / (m · K). Provide the answer in ºC to one decimal place
A 300mL cup of a hot drink at 95 ° C is left in an environment at 23 ° C subject to a heat transfer coefficient of 20 W / (m² · K). This cup can be approached to a cylinder with a surface area equal to 0.028m². What is the temperature of this drink after 238 minutes? Consider that the properties of this drink are constant: ρ = 998 kg / m³; Cp = 4180 J / (kg · K); k = 0.665 W / (m · K). Provide the answer in ºC to one decimal place
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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A 300mL cup of a hot drink at 95 ° C is left in an environment at 23 ° C subject to a heat transfer coefficient of 20 W / (m² · K). This cup can be approached to a cylinder with a surface area equal to 0.028m². What is the temperature of this drink after 238 minutes? Consider that the properties of this drink are constant: ρ = 998 kg / m³; Cp = 4180 J / (kg · K); k = 0.665 W / (m · K). Provide the answer in ºC to one decimal place.
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