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4. A mass of 0.05 kg of carbon dioxide (molar mass 44 kg/kmol), occupying a volume of 0.03 m3 at 1.025 bar, is compressed reversibly until the pressure is 6.15bar. Calculate the final temperature, the work done on the CO2, and the heat supplied: i) 1.4 pv when the process is according to a law ii) when the process is isothermal iii) when the process takes place in a perfectly thermally insulated cylinder. Use Cp of CO2 as 939 J/kgK, which is the cp at 400K as per tables of properties page 17. = constant

4. A mass of 0.05 kg of carbon dioxide (molar mass 44 kg/kmol), occupying a volume of 0.03 m3 at 1.025 bar, is compressed reversibly until the pressure is 6.15bar. Calculate the final temperature, the work done on the CO2, and the heat supplied: i) 1.4 pv when the process is according to a law ii) when the process is isothermal iii) when the process takes place in a perfectly thermally insulated cylinder. Use Cp of CO2 as 939 J/kgK, which is the cp at 400K as per tables of properties page 17. = constant

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Table 6.5 Properties of some common gases at 300K R Gas (kJ/kg K) (kJ/kmol K) (kg/kmol) (kJ/kg K) Diatomic Carbon monoxide (CO) Hydrogen (H2) Nitrogen (N2) Oxygen (O2) 0.2968 1.0410 14.3230 1.0400 0.9182 20.845 20.561 20.819 21.068 28.010 2.016 28.013 31.999 0.7442 1.399 29.158 28.875 29.134 29.382 4.1243 0.2968 0.2598 10.1987 1.404 1.399 1.395 0.7432 0.6584 Monatomic Argon (Ar) Helium (He) 0.5203 12.472 12.473 39.950 0.2081 2.0771 0.3122 1.666 1.666 20.786 20.788 5.1930 3.1159 4.003 Triatomic Carbon dioxide (CO2) Sulphur dioxide (SO2) 0.8457 0.6568 37.219 1.288 1.252 28.906 44.010 0.1889 0.6448 0.5150 41.306 32.991 64.060 0.1298 Hydrocarbons Ethane (C,H6) Methane (CH,) Propane (C,Hg) 1.4903 1.7132 1.7668 1.186 53.128 35.795 74.578 44.813 27.480 66.263 30.070 0.2765 2.2316 1.6915 1.303 1.126 16.040 0.5184 0.1886 1.5029 44.090
Transcribed Image Text:Table 6.5 Properties of some common gases at 300K R Gas (kJ/kg K) (kJ/kmol K) (kg/kmol) (kJ/kg K) Diatomic Carbon monoxide (CO) Hydrogen (H2) Nitrogen (N2) Oxygen (O2) 0.2968 1.0410 14.3230 1.0400 0.9182 20.845 20.561 20.819 21.068 28.010 2.016 28.013 31.999 0.7442 1.399 29.158 28.875 29.134 29.382 4.1243 0.2968 0.2598 10.1987 1.404 1.399 1.395 0.7432 0.6584 Monatomic Argon (Ar) Helium (He) 0.5203 12.472 12.473 39.950 0.2081 2.0771 0.3122 1.666 1.666 20.786 20.788 5.1930 3.1159 4.003 Triatomic Carbon dioxide (CO2) Sulphur dioxide (SO2) 0.8457 0.6568 37.219 1.288 1.252 28.906 44.010 0.1889 0.6448 0.5150 41.306 32.991 64.060 0.1298 Hydrocarbons Ethane (C,H6) Methane (CH,) Propane (C,Hg) 1.4903 1.7132 1.7668 1.186 53.128 35.795 74.578 44.813 27.480 66.263 30.070 0.2765 2.2316 1.6915 1.303 1.126 16.040 0.5184 0.1886 1.5029 44.090
4. A mass of 0.05 kg of carbon dioxide (molar mass 44 kg/kmol), occupying a volume of 0.03 m³ at 1.025 bar, is compressed reversibly until the pressure is 6.15bar. Calculate the final temperature, the work done on the CO2, and the heat supplied: i) 1.4 = constant when the process is according to a law pv ii) when the process is isothermal iii) when the process takes place in a perfectly thermally insulated cylinder. Use Cp of CO2 as 939 J/kgK, which is the cp at 400K as per tables of properties page 17.
Transcribed Image Text:4. A mass of 0.05 kg of carbon dioxide (molar mass 44 kg/kmol), occupying a volume of 0.03 m³ at 1.025 bar, is compressed reversibly until the pressure is 6.15bar. Calculate the final temperature, the work done on the CO2, and the heat supplied: i) 1.4 = constant when the process is according to a law pv ii) when the process is isothermal iii) when the process takes place in a perfectly thermally insulated cylinder. Use Cp of CO2 as 939 J/kgK, which is the cp at 400K as per tables of properties page 17.
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