Chemical Engineering - Chemical Engineering Thermodynamics - Discussion
Discussion Forum : Chemical Engineering Thermodynamics - Section 2 (Q.No. 7)
7.
A closed system is cooled reversibly from 100°C to 50°C. If no work is done on the system
Discussion:
2 comments Page 1 of 1.
Chayaniak said:
2 months ago
yes, U and S are functions of temperature.
Kay Aquino said:
3 months ago
No work is done,
Therefore deltaU = Q where Q < 0 (decreasing).
Cooling, therefore the molecules are less random, deltaS < 0 (decreasing).
Therefore deltaU = Q where Q < 0 (decreasing).
Cooling, therefore the molecules are less random, deltaS < 0 (decreasing).
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