Mechanical Engineering - Thermodynamics - Discussion

Discussion Forum : Thermodynamics - Section 2 (Q.No. 13)
13.
The entropy of water at 0°C is assumed to be
1
0
-1
10
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
27 comments Page 3 of 3.

Vishal said:   9 years ago
Entropy of system is sum of entropy generation & dQ/t.

Jayesh said:   10 years ago
Yes I agree with you that entropy should zero at 0k temp.

Rao said:   10 years ago
We know that dQ=tds since t=0. So entropy also zero.

Shivam gohite said:   1 decade ago
At 0k, value of entropy is zero. At 0 degC entropy depends on the direction of heat transfer.

Gaurav said:   1 decade ago
Yeah it should be 0 Kelvin instead of 0 degree centigrade.

Sharad s ingle said:   1 decade ago
It's wrong answer a/c to 3rd low of thermodynamics s=0 at t=0k.

Sharukh khan said:   1 decade ago
s=q/t. Since t=0,

But we know that in this situation q is also equals to zero(0) So s=0.


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