Question:
$100\, mL \,O _{2}$ and $H _{2}$ kept at same temperature and pressure. What is true about their number of molecules
$100\, mL \,O _{2}$ and $H _{2}$ kept at same temperature and pressure. What is true about their number of molecules
Updated On: Jan 30, 2025
- $NO _{2}> NH _{2}$
- $NO _{2}< NH _{2}$
- $NO _{2}= NH _{2}$
- $NO _{2}+ NH _{2}=1 $ mole
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The Correct Option is C
Solution and Explanation
This is Avogadro?s hypothesis.
According to this, equal volume of all gases contain equal no. of molecules under similar condition of temperature and pressure.
According to this, equal volume of all gases contain equal no. of molecules under similar condition of temperature and pressure.
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Concepts Used:
Gas Laws
The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases.
The five gas laws are:
- Boyle’s Law, which provides a relationship between the pressure and the volume of a gas.
- Charles’s Law, which provides a relationship between the volume occupied by a gas and the absolute temperature.
- Gay-Lussac’s Law, which provides a relationship between the pressure exerted by a gas on the walls of its container and the absolute temperature associated with the gas.
- Avogadro’s Law, which provides a relationship between the volume occupied by a gas and the amount of gaseous substance.
- The Combined Gas Law (or the Ideal Gas Law), which can be obtained by combining the four laws listed above.