Question
You partially liquefy nitrogen gas at an initial temperature of 130 K by expanding it through a throttle . The initial and final pressures are
You partially liquefy nitrogen gas at an initial temperature of 130 K by expanding it through a throttle . The initial and final pressures are 100 bar and 1.00 bar, respectively. Use the van der Waals expression for enthalpy departure function to answer the questions below. Be sure to enter your answer in the units requested.
Properties of N2 | ||
Tboil | 77.0 | K |
Tc | 126.2 | K |
Pc | 33.84 | bar |
Cp | 28.0 | J/mole-K |
hvap | 5600 | J/mole |
A) What is the final temperature of the gas in K?
B) What fraction of the gas is liquefied?
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Economics And The Environment A Materials Balance Approach
Authors: Allen V Kneese, Robert U Ayres, Ralph C D'Arge
1st Edition
1317402251, 9781317402251
