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Samples A and B are at different initial temperatures when they are placed in a thermally insulated container and allowed to come to thermal equilibrium. Figure (a) gives their temperatures T versus time t. Sample A has a mass of 5.89 kg; sample B has a mass of 1.26 kg. Figure (b) is a general plot for the material of sample B. It shows the temperature change AT that the material undergoes when energy is transferred to it as heat Q. The change AT is plotted versus the energy Q per unit mass of the material, and the scale of the vertical axis is set by AT: = 3.60 °C. What is the specific heat of sample A? 100 AT, 60 20 10 20 16 I (min) Q/IR (kJ/kg) (a) (b) T (CC) AT (C°}

Samples A and B are at different initial temperatures when they are placed in a thermally insulated container and allowed to come to thermal equilibrium. Figure (a) gives their temperatures T versus time t. Sample A has a mass of 5.89 kg; sample B has a mass of 1.26 kg. Figure (b) is a general plot for the material of sample B. It shows the temperature change AT that the material undergoes when energy is transferred to it as heat Q. The change AT is plotted versus the energy Q per unit mass of the material, and the scale of the vertical axis is set by AT: = 3.60 °C. What is the specific heat of sample A? 100 AT, 60 20 10 20 16 I (min) Q/IR (kJ/kg) (a) (b) T (CC) AT (C°}

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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Please explain each step neatly and cleaely, Showing all equatons. Thank Samples A and B are at different initial temperatures when they are placed in a thermally insulated container and allowed to come to thermal equilibrium. Figure (a) gives their temperatures T versus time t. Sample A has a mass of 5.89 kg; sample B has a mass of 1.26 kg. Figure (b) is a general plot for the material of sample B. It shows the temperature change AT that the material undergoes when energy is transferred to it as heat Q. The change ATis plotted versus the energy Q per unit mass of the material, and the scale of the vertical axis is set by AT = 3.60 °C. What is the specific heat of sample A? 00 AT, A 60 20 10 20 16 ! (min) Q/IR (kJ/kg) (a) (b)
Transcribed Image Text:Please explain each step neatly and cleaely, Showing all equatons. Thank Samples A and B are at different initial temperatures when they are placed in a thermally insulated container and allowed to come to thermal equilibrium. Figure (a) gives their temperatures T versus time t. Sample A has a mass of 5.89 kg; sample B has a mass of 1.26 kg. Figure (b) is a general plot for the material of sample B. It shows the temperature change AT that the material undergoes when energy is transferred to it as heat Q. The change ATis plotted versus the energy Q per unit mass of the material, and the scale of the vertical axis is set by AT = 3.60 °C. What is the specific heat of sample A? 00 AT, A 60 20 10 20 16 ! (min) Q/IR (kJ/kg) (a) (b)
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