Solved: Determine the phase of the following substances
Chapter 3, Problem 77HP(choose chapter or problem)
Problem 77HP
Determine the phase of the following substances and find the values of the unknown quantities.
a. R-410a: T =−20°C, u=220 kJ/kg, P=?, x=?
b. Ammonia: T =−20°C, v = 0.35 m3/kg, P = ?, u = ?
c. Water: P=400 kPa, h=2800 kJ/kg, T =?, v=?
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