Chemical Engineering - Chemical Engineering Thermodynamics - Discussion

Discussion Forum : Chemical Engineering Thermodynamics - Section 5 (Q.No. 5)
5.
Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.
0
273
25
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Pawan Kumar Sharma said:   2 years ago
The room temperature is considered as a standard state at which internal energy is considered or taken as zero basically it is considered a Datum for calculations of internal energy.

Yogendra said:   3 years ago
Please elaborate why s is zero at 1 atm?

Mele said:   6 years ago
du = Tds - pdv.
Here, s is zero and v constant.

Post your comments here:

Your comments will be displayed after verification.