You and a friend each synthesize a compound with the formula XeCl2F2. Your compound is a liquid and your friend's compound is a gas (at the same...

You and a friend each synthesize a compound with the formula XeCl2F2. Your compound is a liquid and your friend's compound is a gas (at the same conditions of temperature and pressure). Explain how the two compounds with the same formulas can exist in different phases at the same conditions of pressure and temperature