Chemical Engineering - Chemical Engineering Thermodynamics - Discussion

Discussion Forum : Chemical Engineering Thermodynamics - Section 4 (Q.No. 14)
14.
First law of thermodynamics is mathematically stated as
dQ = dE + dW
dQ = dE - dW
dE = dQ + dW
dW = dQ + dE
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 1 of 2.

Gemechis said:   2 years ago
Yes, the right answer is option C.
(2)

TANMAY SHAH said:   3 years ago
The correct answer is Option C.
(2)

Chandana Devi said:   3 years ago
dE = dQ + dW.
dE = dQ - PdV.
(1)

Athraa said:   4 years ago
E = Q - W.
So, Q = E + w.

Kiran Gohel said:   4 years ago
Answer A is right because, 1st law is;
E = Q-w,
So, dQ = dE + dW.

Trushal said:   5 years ago
Given answer A is right. I agree.

Suneel Kumar Singh yadav said:   6 years ago
The answer is C.
(2)

Zina said:   6 years ago
Change in Energy = Heat + Work.

Kapil said:   6 years ago
No, here U = Q + W.

Yadav said:   7 years ago
C is the correct answer.


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