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O calculate the energy change, in kJ,

O calculate the energy change, in kJ,

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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Table B.8 Specific Enthalpies of Selected Gases: SI Units Ĥ(kJ/mol) Reference state: Gas, Pref = 0₂ N₂ H₂ 0 -0.72 -0.73 -0.73 -0.72 -0.73 25 0.00 0.00 0.00 0.00 0.00 100 2.19 2.24 2.19 2.16 2.19 200 5.15 5.31 5.13 5.06 5.16 300 8.17 8.47 8.12 7.96 8.17 400 11.24 11.72 11.15 10.89 11.25 16.35 500 14.37 15.03 14.24 13.83 14.38 21.34 18.41 17.39 16.81 17.57 26.53 20.82 31.88 600 17.55 700 20.80 800 900 27.46 28.89 21.86 20.59 19.81 24.10 25.35 23.86 27.19 22.85 24.13 37.36 25.93 27.49 42.94 1000 30.86 32.47 30.56 29.04 30.91 48.60 1100 34.31 36.07 33.99 32.19 34.37 54.33 35.39 37.87 60.14 38.62 41.40 65.98 1200 37.81 39.70 37.46 1300 41.34 43.38 40.97 1400 44.89 47.07 44.51 1500 48.45 50.77 48.06 41.90 44.95 71.89 45.22 48.51 77.84 T Air 1 atm, Tref = 25°C CO CO₂ -0.92 0.00 2.90 7.08 11.58 H₂O -0.84 0.00 2.54 6.01 9.57 13.23 17.01 20.91 24.92 29.05 33.32 37.69 42.18 46.78 51.47 56.25 61.09
Transcribed Image Text:Table B.8 Specific Enthalpies of Selected Gases: SI Units Ĥ(kJ/mol) Reference state: Gas, Pref = 0₂ N₂ H₂ 0 -0.72 -0.73 -0.73 -0.72 -0.73 25 0.00 0.00 0.00 0.00 0.00 100 2.19 2.24 2.19 2.16 2.19 200 5.15 5.31 5.13 5.06 5.16 300 8.17 8.47 8.12 7.96 8.17 400 11.24 11.72 11.15 10.89 11.25 16.35 500 14.37 15.03 14.24 13.83 14.38 21.34 18.41 17.39 16.81 17.57 26.53 20.82 31.88 600 17.55 700 20.80 800 900 27.46 28.89 21.86 20.59 19.81 24.10 25.35 23.86 27.19 22.85 24.13 37.36 25.93 27.49 42.94 1000 30.86 32.47 30.56 29.04 30.91 48.60 1100 34.31 36.07 33.99 32.19 34.37 54.33 35.39 37.87 60.14 38.62 41.40 65.98 1200 37.81 39.70 37.46 1300 41.34 43.38 40.97 1400 44.89 47.07 44.51 1500 48.45 50.77 48.06 41.90 44.95 71.89 45.22 48.51 77.84 T Air 1 atm, Tref = 25°C CO CO₂ -0.92 0.00 2.90 7.08 11.58 H₂O -0.84 0.00 2.54 6.01 9.57 13.23 17.01 20.91 24.92 29.05 33.32 37.69 42.18 46.78 51.47 56.25 61.09
Use Table B.8 to calculate the energy change, in kJ, as 1 mole of O2 goes from 200°C to 800°C. The answer must be positive if the substance is heated-up and negative if it is cooled-down.
Transcribed Image Text:Use Table B.8 to calculate the energy change, in kJ, as 1 mole of O2 goes from 200°C to 800°C. The answer must be positive if the substance is heated-up and negative if it is cooled-down.
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