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- You will need to look up pressure unit conversions as well as units for the gas constant R. 1a. Calculate the pressure, in bar, exerted by 1.00 mole of Ar gas, in a 1120 , ml vessel at 73.15C assuming the gas behaves ideally. Tries 0/3 1b. Calculate the pressure, in kPa, exerted by 1.00 mole of Ar gas, in a 1120.ml vessel at 73.15C assuming the gas behaves ideally. Tries 0/3 2a. Calculate the pressure, in atm, exerted by 1.00 mole of Ar gas, in a 1120 . ml vessel at 205.15C assuming the gas behaves ideally. Tries 0/3 2b. Calculate the pressure, in Torr, exerted by 1.00 mole of Ar gas, in a 1120.ml vessel at 205.15C assuming the gas behaves ideally. Tries 0/3