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1. How many independent intensive variables are required to fix the state of superheated steam?
2. A single liquid phase is desired for a mixture of water and alcohol. Determine the degrees of freedom:
F = 2 + 2 – 1 = 3.
3. Consider a non reacting system containing H2SO4(ℓ), Ca(s), and H2(g) in two phases, namely, liquid and gaseous. Determine the number of degrees of freedom.
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