1. A gas with a density of 1.107 g/L is at 301 K and 740.0 mm Hg. What is it's Molar Mass?
2. Phosgene, COCl2, is a deadly gas. What is its density in g/L at 298 K and 1.00 atm?
3. A gas mixture is 5.00 grams of Ne, 10.0 grams of He, and 15.0 grams of Ar gases. A container is kept at -100ºC and 7550 mL. What is the partial pressure due to Argon in mm Hg?
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10. Calculate the density, in g/L. of CO, gas at 27°C and 0.50 atm pressure. A) 0.89 g L B ) 1.12 g/L. C) 9.93 g/I. D) 46.0 g/L 11. A mixture of three gases has a total pressure of 1,380 inmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar? A) 301 mmHg B) 356 mmHg C) 5.345 mmHg...
You have a 3.00-L container filled with N₂ (MM = 28.02 g/mol) at 298.15 K and 1.75 atm pressure connected to a 2.00-L container filled with Ar (MM = 39.95 g/mol) at 298.15 K and 2.15 atm pressure. A stopcock connecting the containers is opened and the gases are allowed to equilibrate between the two containers. What is the density of the final gas mixture? Assume ideal behavior. (Use R = 0.08206 L.atm/mol.K) (HINT: What is the total mass, m,...
9.) What is the density of Ar gas, in units of g/L, at a pressure of 662 mm Hg and a temperature of 25.0°C ?
1- A mixture of hydrogen and argon gases, in a 8.69 L flask at 77 °C, contains 0.477 grams of hydrogen and 7.10 grams of argon. The partial pressure of argon in the flask is ____ atm and the total pressure in the flask is ____ atm. 2- A mixture of methane and carbon dioxide gases is maintained in a 7.86 L flask at a pressure of 1.93 atm and a temperature of 39 °C. If the gas mixture contains...
A noble gas has a density of 0.173 g/L at a temperature of 328.15 K and a pressure of 1.168 atm. What is that noble gas? Hint: Determine molar mass of the gas and compare with the molar mass given in the periodic table for the various noble gas elements. Xe Оне 0 Ne O Ar
A sample of gas contains four gases (He, Ne, Ar, and Xe) with the following partial pressures: He (43 mm Hg), Ar (835 mm Hg), and Xe (111mm Hg)and a total pressure in the container of 1355 MM Hg. What is the number of moles of Ne in the container if the volume is 1.00 L and temperature is 25°C? O 14.96 moles 0 4458 moles 01.00 moles 0.0197 moles 6.46 X 10-5 moles
Question 5 Determine the density of NH3 gas at 435 K and 760 mm Hg. R = 0.08206 Latm/mol K; 1 atm - 760 mm Hg O 2.24 g/L O 0.477 g/L 0.851 g/L 2.10 g/l
just need answers -- no solutions 14a A mixture of nitrogen and krypton gases, in a 6.64 L flask at 13 °C, contains 8.14 grams of nitrogen and 7.40 grams of krypton. The partial pressure of krypton in the flask is atm and the total pressure in the flask is atm. 14b A mixture of methane and helium gases is maintained in a 5.88 L flask at a pressure of 1.90 atm and a temperature of 86 °C. If the gas...
2. (10 points) An ideal gas has a density of 2.765 g/L at 78.0 °C and 1180.0 mm Hg pressure. a. calculate the density of the gas at STP. b. determine the mass of gas in 500.0 mL container at STP
1)Calculate the molar mass of a gas if 2.40 g occupies 0.885 L at 680 torr and 35 ∘C. 2) Consider three gases all at 298 K: HCl, H2, and O2. List the gases in order of increasing average speed. Express your answers as chemical formulas separated by commas. 3)A mixture containing 0.770 mol He(g), 0.300 mol Ne(g), and 0.115 mol Ar(g) is confined in a 10.00-L vessel at 25 ∘C. Calculate the partial pressure of He in the mixture...