At a temperature of 18.0°c of 23.0cm^3 of a certain gas occupies has pressure of 103 kpa.
(a) what volume would the gas occupy at a temperature of 0.00°c and pressure of 101kpa?
(b) 1.00 moles of a certain gas occupies a volume of 22.4 litres at 0.00°c and 101325 pa. show that the gas constant r = 8.31 j k^-1 mol^-1.
(c) determine the number of moles of gas in the 23.0cm^3 sample above.