Three identical 1.0-L lasks contain the gases He, Cly, and CHa each at O°C and 1 atm pressure. For which gas do the molecules have the highest average velocity (um)? OHe O CH All the same O Ca

You transfer a sample of a gas at 27 degrees celcius from a volume of 7.65 L and 1.25 atm to a container at 37 degree celcius  that haa a pressure of 1.25 atm. What os the new volume of the gas?

A10.0L gas cylinder contains the following mixture of gas. 15.00 g of N2 @ a partial pressure 0 65 atm. Xexon gas is added to the flask such that the moles of Xe and the m9les of O2 are the same. What is the new total pressure of the flask?

Consider separate 1.0-L gaseous samples of CH4, O2, and Ar, all at STP and all acting ideally. Rank the gases in order of increasing average velocity. CH4-0₂ Ar OCH4 <0₂ < Ar O₂

Three identical 1.0-L flasks contain the gases He, Cl2, and CH4, each at 0°C and 1 atm pressure. Which gas has the highest density? CH4 Не Cl2 All the same

How much (what fraction ) of the total pressure in the flask is due to N2

A student inflates a ballon to a volume of 972 mL by filling it with Argon gas at a pressure of 1.50 atm and a temperature of 15.8 C. How many grams of argon gas are neeeded? What is the partial pressure of oxygen in a container that contains 6.22? Mol to oxygen, 4.34 mol of nitrogen, and 2.39 mol of carbon dioxide when the total pressure is 817 mm Hg?

If a gaseous mixture is made by combining 3.56 g Ar3.56 g Ar and 2.13 g Kr2.13 g Kr in an evacuated 2.50 L container at 25.0 ∘C,25.0 ∘C, what are the partial pressures of each gas, ?ArPAr and ?Kr,PKr, and what is the total pressure, ?total,Ptotal, exerted by the gaseous mixture?    ?Ar=   ?Kr=   ?total=

Review A Bookmark ST U6 Gas Laws /2 of 10 Which of the following gases would have the greatest average kinetic energy at 0°C? O A. CO2 о В. Не C. All of these have the same average kinetic energy. O D. Xe

What is the final pressure of 250 ml of a gas at 365 mm Hg and 25.0c if the gas is heated to 95.0c? assume the volume and the amount of the gas are held constant