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1. (1pts) A sample of a gas contains Ne at 300mmHg and Ar at 50mmHg, c culate the total pressure of the gas sample in mmHg A None of the others D 350 B400 E 305 2. (1pts) As the volume of a gas in a rigid container increases, how will th pressure of the gas change if the other variables are kept constant A None of the others Bincrease decrease Dno change 3. (1pts) In a gas, the speed of the its molecules is related to A the moles of gas Dtemperature 1.2 atm DNone of the others Bpressure volume 500 B 1.67 atm E 0.02 atm 4. (1pts) At constant temperature, a sample of helium at 2atm in a closed con- tainer was compressed from 5.00 L to 3.00 L. What was the new pressure exerted by the helium on its container? B None of the others E 1.7 None of the others F density 3.33 atm atm F0.6 atm 13 5. (1pts) Calculate the density in g L-¹ of Ne (AW=20g mol-¹) gas at 343°C and 4.3 atm. A 2.5 1.5 D2.0