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# What gas has the greatest density at 25 degree Celsius and 1.00 atm pressure?

What gas has the greatest density at 25 degree Celsius and 1.00 atm pressure?

a.    O2

b.    N2

c.    H2

d.    CO2

e.    Xe

Gas A is in a 2-L flask with a pressure of 1 atm at 298 K. Gas B is in a 4-L flask with a pressure of 0.5 atm at 273 K. Which gas is present in greater amounts?

a.    A

b.    B

c.    Neither. The amounts are the same.

Measured at a pressure of 1.0 atm and 298 K, gas C has a density of 2.0 g/L. The density of gas D, measured at a pressure of 0.5 atm and 298 K, is 1.3 g/L. Which gas has the larger molar mass?

a.C

b.D

c. Neither the molar masses are the same

1) PV = n RT PV = mRT/M P = dRT / M d = PM / RT Gas with highest M will have highest... View the full answer

gas has the greatest density at 25 degree Celsius and 1.00 atm pressure Answer H2 Explanation The hydrogen bonding which... View the full answer

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