ABOUT MOLECULAR WEIGHTS AND REACTIONS:  Determine the molecular weights:
i) Ethyl alcohol, CH3OH: _____ ii) Methane, CH4: _____
iii) Oxygen, O2: _____ iv) n-Octane, C8H18: _____ v) Helium, He: _____
a) If identical masses of each of the substances are at the same fixed temperature and fixed pressure, which is least likely to be liquid? _______
b) If identical masses of each of the substances are at the same fixed temperature and fixed pressure, which is most likely to be liquid? _______
c) Does it matter what masses were involved? ______
d) Ethyl alcohol and oxygen have near equal molecular weights. Which is more likely to be liquid. ______.