What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor ?
Correct answer: A. 2
- A. 2
- B. 0
- C. 3
- D. 1
Explanation
There are two components, water and nitrogen, and two phases, liquid and vapour; the phase rule gives F = C − P + 2 = 2 − 2 + 2 = 2.
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