The change of state from a gas to a liquid is called?

How many moles are in 43.9 l of oxygen

Which statement is true about this reaction? 14n+h–> 150 it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

The absolute tempeature of a gas is increased four times while maintaining a constant volume. what happens to the pressure of the gas