What does the abbreviation STP stand for?

What is atmospheric pressure?

3.

Which state of matter has a definite volume but no definite shape?

What is absolute temperature?

How do you convert:
(i) Pressure in atmosphere into SI units.
(ii) Temperature in°C to temperature in °F
(iii) Temperature in °C into SI units?

What is the absolute zero temperature?

Can absolute zero temperature be attained for a gas?

How pressure of a given sample of gas is related to absolute temperature at constant volume?

How is the pressure of a gas related to the number of molecules of the gas at constant temperature and volume?

What is standard (or normal) temperature and pressure (STP)?