Three 3.0 L sealed flasks in the same room, each at a pressure of 788mmHg contain Ne, Ar, and Kr


Three 3.0 L sealed flasks in the same room, each at a pressure of 788mmHg contain Ne, Ar, and Kr respectively.
a) which of the flasks contain the greatest number of moles of gas?
b) which of the flasks contain the greatest mass of gas?
c) If Ar flask was heated and Kr flask was cooled, which of the three flasks would be at the highest pressure?
d) If the temperature of the Ne was lowered while the Kr was raised, which of the three gases would have the greatest kinetic energy?


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