Gases questions | form five Chemistry

A certain amount of a gas was found to occupy 100cm³ at 33^oC and 97x10³ Nm^-2. Calculate the volume of the gas at standard temperature and pressure. Show your work clearly including manipulations of units. [1 atm=101.3x10³ Nm^-2].

Answer / Solution

UNSOLVED

At 1.0 atmosphere pressure and 30^oC , 1.236g of a gas was found to occupy a volume of 512cm³. Calculate the relative molecular mass of the gas. Show your work clearly including manipulations of units. [1 atm=101.3x10³ Nm^-2].

Answer / Solution

UNSOLVED

The compressibility factor, Z, is used to test the ideality or non-ideality of real gases.

1. Write an expression for compressibility factor , Z.
2. At what values of Z a real gas shows ideal behaviour, positive and negative deviation from ideality?

Answer / Solution

UNSOLVED

A gas was found to diffuse through a porous material 1.49 times faster than chlorine gas. Calculate the molecular mass of the gas giving your answer in two decimal places. [Molecular mass of chlorine =71.0g mol^-1].

Answer / Solution

UNSOLVED

State the meaning of an ideal gas.

Answer / Solution

UNSOLVED