Degree of freedom of a system consisting of a gaseous mixture of H2 and NH3 will be_________________?
Correct answer: D. 3
- A. 0
- B. 1
- C. 2
- D. 3
Explanation
For a nonreacting two-component gaseous mixture in one phase, Gibbs phase rule gives F = C - P + 2 = 2 - 1 + 2 = 3. These variables can be temperature, pressure, and one independent composition variable.
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