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A change in a system occurs such that 40.6 J of heat flows in to the system and 48.0 J of work is done by the system. What is the change in internal energy of the system? O a.-7.4 J O O c. 7.4 J O d. 88.6 J b. -88.6 J

A change in a system occurs such that 40.6 J of heat flows in to the system and 48.0 J of work is done by the system. What is the change in internal energy of the system? O a.-7.4 J O O c. 7.4 J O d. 88.6 J b. -88.6 J

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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A change in a system occurs such that 40.6 J of heat flows in to the system and 48.0 J of work is done by the system. What is the change in internal energy of the system? O a.-7.4 J O b. -88.6 J O c. 7.4 J O d. 88.6 J O e. -48.0 J
Transcribed Image Text:A change in a system occurs such that 40.6 J of heat flows in to the system and 48.0 J of work is done by the system. What is the change in internal energy of the system? O a.-7.4 J O b. -88.6 J O c. 7.4 J O d. 88.6 J O e. -48.0 J
Using the values provided in the table below, calculate AH, for the following reaction: 3C(s) + Fe₂O3(s) → 3CO(g) + 2Fe(s) AH₁/kJ mol-¹ Species C(s) CO(g) Fe₂O3(s) Fe(s) O a. -333 kJ mol-1 O b. 491 kJ mol-¹ O c. 713 kJ mol-¹ O d. -491 kJ mol-¹ O e. -713 kJ mol-¹ 0 -111 -824 0
Transcribed Image Text:Using the values provided in the table below, calculate AH, for the following reaction: 3C(s) + Fe₂O3(s) → 3CO(g) + 2Fe(s) AH₁/kJ mol-¹ Species C(s) CO(g) Fe₂O3(s) Fe(s) O a. -333 kJ mol-1 O b. 491 kJ mol-¹ O c. 713 kJ mol-¹ O d. -491 kJ mol-¹ O e. -713 kJ mol-¹ 0 -111 -824 0
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