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specific heat

2009-03-24View Original

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When calculating the specific heat of gaseous nitrogen at a given pressure, the results provided in the \"Handbook of Properties of Chemical and Engineering Substances\" and the \"Practical Physics Handbook\" differ. Should I use the value that is favorable to me, or should I opt for the more authoritative one? But which one is more authoritative? You could also ask someone to help look up the specific heat of nitrogen at 0.8 MPa and 195 K. O(∩_∩)O Thank you!
Reply #22009-03-24
Is it nitrogen at -78 degrees Celsius?
Reply #32009-03-24
It is 30 J/(MOL*K) according to the industrial gas manual
Reply #42009-03-24
Hehe, it’s the same as what I found in my practical reference manual. Could you help me find the specific heat of liquid nitrogen at 0.8 MPa and 89.5 K as well? My reference books are rather limited; haha, that’s a problem....:)
Reply #52009-03-24
Well, it’s nitrogen at -78 degrees Celsius
Reply #62009-03-24
It’s better to look up the data by yourself
Reply #72009-03-25
Specific heat at constant pressure: 57.9 J/(mol.k)
Reply #82009-03-25
Are the differences in the manual data due to the differences between the Soviet Union and Europe and America? I’ve encountered the same problem. I don’t know who to believe

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