alleryStart learning →In the ideal gas law PV = NkT, what does the symbol N represent?
AThe pressure of the gas
BThe number of gas particles
CThe absolute gas temperature
DThe Boltzmann constant
Answer & Solution
Correct answer: B. The number of gas particles
1. In the ideal gas law, P is pressure, V is volume, N is the number of particles, and T is absolute temperature.
2. N specifically stands for the number of atoms or molecules making up the gas.
3. Pressure and temperature are represented by P and T, not by N.
4. The Boltzmann constant is represented by the separate symbol k, not N.
5. So the number of particles is correct.
_Source: OpenStax Physics (CC BY 4.0), Ch 12 "Thermodynamics", section 12.2 First law of Thermodynamics: Thermal Energy and Work_
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