If the pressure and temperature (k) of two liters of CO2 are doubled the volume of CO2 would become:
Correct answer: D. 2 liters
- A. 5 liters
- B. 4 liters
- C. 8 liters
- D. 2 liters
Explanation
As PV=nRT or V =nRT/PUsing P'=2P and T'=2T, we getV'= 2nRT/2PV'= nRT/PV'= VSo , the volume will be 2 litres.
This question appeared on the ETEA MDCAT 2006 paper, which you can sit online with every answer explained.
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About Ideal Gas Equation
The ideal gas equation, PV = nRT, relates pressure, volume, amount and absolute temperature when gas particles are assumed to have negligible volume and no intermolecular forces. Applications include finding molar mass, density or an unknown gas variable, with careful use of Kelvin temperature and consistent units, and comparison with real-gas behaviour.
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