Real, Ideal Gas & Vanderwaals' Equation

The unit of Vanderwaal constant :a: is:

• l²/mol²

• atm²· l²/mol²

• mol² / atm· l²

• atm· l²/mol²

The unit of Vanderwaal constant :b: is:

• l²/mol

• mol/l

• mol² / l

• l/mol

Vanderwaals corrected pressure as:

• P + an²/V²

• P + an²/V

• P - an²/V²

• P - an²/V

Vandwaal equation corrected volume as:

• Vc = V + nb

• Vc = V x nb

• Vc = V / nb

• Vc = V - nb

Excluded volume of an ideal gas means:

• Volume occupied by solid molecules
• Volume occupied by empty space

• Volume occupied by liquid molecules
• Volume occupied by gas molecules

Two faulty assumptions in KMT are:

• KMT assumes that gas particles do not interact with each other

• kinetic energy is proportional to temperature

• KMT assumes that all gases behave ideally
• KMT assumes that gas particles have no volume

The pressure of real gas is corrected due to:

• temperature and pressure
• molecular weight and density
• atomic structure and chemical composition
• intermolecular forces and molecular volume

The volume of real gas is corrected due to:

• pressure and temperature
• The finite size of gas molecules

• molecular weight and density
• surface area and viscosity

Among all gases that behaves ideally at room temperature is:

• helium
• carbon dioxide
• nitrogen
• oxygen

The conditions where real gas can behave ideally are:

• Low pressure and high temperature
• Low pressure and low temperature
• High pressure and low temperature
• High pressure and high temperature