Reduced pressure of a gas is the ratio of its__________________?
Correct answer: C. Pressure to critical pressure
- A. Pressure to pseudocritical pressure
- B. Critical pressure to pressure
- C. Pressure to critical pressure
- D. Pseudocritical pressure to pressure
Explanation
Reduced pressure is defined by comparing the actual pressure with the critical pressure: P_r = P/P_c. The reciprocal, P_c/P, is not reduced pressure.
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