Scelta multipla
In a refrigeration system, what is the physical state of the refrigerant as it enters the compressor?
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7. Gases
The Ideal Gas Law
Scelta multipla
Which equation best describes the relationship between pressure, volume, temperature, and amount of a gas contained within a piston-cylinder assembly under ideal conditions?
A
P = VnR/T
B
PV = nRT
C
PV = mRT
D
P = nRT/V^2
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Recall the Ideal Gas Law, which relates pressure (P), volume (V), temperature (T), and amount of gas in moles (n) for an ideal gas.
The Ideal Gas Law is expressed as: \(P \times V = n \times R \times T\), where \(R\) is the ideal gas constant.
Understand that \(P\) is pressure, \(V\) is volume, \(n\) is the number of moles of gas, \(R\) is a constant, and \(T\) is the absolute temperature in Kelvin.
Check each given equation to see if it matches the form \(P \times V = n \times R \times T\) exactly.
Identify that the equation $PV = nRT$ correctly represents the relationship under ideal conditions, while the others do not follow the correct formula.
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