If the temperature of an object is 335k, how would his be expressed on the celsius scale ?

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Give the orbital configuration of the phosphorus (p) atom.