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Chemical Engineering - Chemical Engineering Thermodynamics

Exercise : Chemical Engineering Thermodynamics - Section 10
46.
Choose the condition that must be specified in order to liquify CO2 (triple point for CO2 is - 57°C and 5.2 atm).
Pressure must be kept below 5.2 atm.
Temperature must be kept above - 57°C.
Pressure must be kept below 5.2 atm. and temperature must be kept above 57°C.
Pressure and temperature must be kept below 5.2 atm. and - 57°C respectively.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
If two pure liquid constituents are mixed in any proportion to give an ideal solution, there is no change in
volume
enthalpy
both (a) & (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Chemical potential of ith component of a system is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is
30554
10373
4988.4
4364.9
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Lenz's law results from the law of conservation of
mass
momentum
energy
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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