The molar volume of nitrogen gas is maximum at:
Correct answer: C. 130°C and 1 atm
- A. 25°C and 1 atm
- B. 0°C and 2 atm
- C. 130°C and 1 atm
- D. 100°C and 2 atm
Explanation
According to the ideal gas law (V = nRT/P), molar volume (V/n) is directly proportional to temperature (T) and inversely proportional to pressure (P). To maximize volume, we need the highest temperature and lowest pressure, which corresponds to 130°C and 1 atm.
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About Gases
Gas behaviour is explained through the kinetic molecular theory and the relationships among pressure, volume and temperature. Work includes STP, Boyle's and Charles's laws, absolute zero, the ideal gas equation, and the distinction between ideal and real gases, especially the effects of intermolecular forces and molecular volume.
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