3.0 mol of an ideal gas is contained in a volume of 2.0 m^{3} at a temperature of 298K. Calculate (to 3 sf) the pressure of the gas. (Gas constant, R = 8.314 J mol^{-1} K^{-1})

3.72×10^{6} N m^{-2}

3.72×10^{-3} N m^{-2}

3.72 Pa

3.72 kPa

0.023 mol of an ideal gas is at a pressure of 560 kPa and a temperature of 298K. Calculate (to 3 sf) the volume of the gas. (Gas constant, R = 8.314 J mol^{-1} K^{-1})

0.102 m^{3}

1.02×10^{-3} m^{3}

1.02×10^{-4} m^{3}

None of the above

Calculate (to 3 sf) the quantity of an ideal gas (in moles) that exerts a pressure of 3.6×10^{4} N m^{-2} when contained in a volume of 2.7×10^{-5} m^{3} and at a temperature of 80C. (Gas constant, R = 8.314 J mol^{-1} K^{-1})

0.00331 mol

0.00146 mol

41.3 mol

None of the above

A constant amount of an ideal gas, contained in a fixed volume, exerts a pressure of 9.80 ×10^{4} N m^{-2} at room temperature (20C). Calculate (to 3 sf) the pressure exerted by the gas if the temperature increases to 40C.

1.05 ×10^{5} N m^{-2}

1.96 ×10^{5} N m^{-2}

10.5 kPa

None of the above

Calculate (to 3 sf) the concentration of an ideal gas that exerts a pressure of 420 kPa at a temperature of 323K. (Gas constant, R = 8.314 J mol^{-1} K^{-1})