Answer:
Weaker attraction between its molecules than the green substance. It's molecules now move away from each other.
Explanation:
Liquid to gas.
It is the mass of one mole of the substance.
protons and neutrons are in the nucleus electrons surround the atom and i have no idea what positrons are i just know they arent in an atom so your answer is B and C
Answer:
is the total pressure of the tank.
Explanation:
Partial pressures of nitrogen = 
Partial pressure of oxygen = 
Total pressure of gases in the tank = P
Applying Dalton's law of partial pressures :


is the total pressure of the tank.