10. A certain gas effuses 4 times as fast as oxygen gas. What is the molar mass of the unknown gas?

Q: Find the molar mass of the Unknown gas?

A: According to Graham's law of effusion, the rate of effusion of a gas is inversely proportional to…

Q: a sample of an unknown gas defuses at 17.42 min. an equal volume of hydrogen gas in the sam…

A: According to the Graham's law of Gaseous diffusion, the rate of diffusion of the gas is inversely…

Q: which gas, helium or argon, effuses faster under the same conditions and by how much?

A: As per Graham's Law of effusion/diffusion, rate of effusion/diffusion is inversely proportional to…

Q: At 45.0 °C, a 14.0 L vessel is filled with 7.25 moles of Gas A and 4.20 moles of Gas B. What is the…

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Q: An unknown gas effuses 3.7 times faster than N2O4 at the same temperature. What is the molar mass…

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Q: In a mixture of gases, why does each gas component contribute to the total pre

A: According to the Dalton's law of partial pressure: It states that the total pressure of a mixture of…

Q: At 25.0 ° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 2.60 moles of Gas B. What is…

A: According to the ideal gas law, we know that  PV = nRT Where  P = pressure of the gas V = volume of…

Q: Kr н If the partial pressure of Kr is 677 torr, calculate the total pressure (torr) of the mixture…

A: The fraction of krypton (f) present in the system is calculate as shown below where AKr is the mass…

Q: Two gases, He and Ne, are collected in identical 2.00 L containers at STP. How many moles of Neon…

A: Given, Volume = 2 L, at STP pressure = 1 atm , R =  , T = 0°C = 273.15 K

Q: For a 0.00554 mol sample of H2 and a 0.00912 mol sample of N2, total pressure is 23.44 torr. What is…

A: Given, moles of H2 = 0.00554 moles Moles of N2 = 0.00912 moles Total pressure, pT = 23.44 torr

Q: The mole fraction of N, gas in the air is 0.781 at 760 torr. Calculate the partial pressure of N, in…

A: Dear Subscriber! You have posted multipart questions. As per our policy, we have addressed first…

Q: Consider this molecular‑level representation of a mixture of gases.   If the partial pressure of…

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Q: A gas whose molar mass you wish to know effuses through an opening at a rate half as fast as that of…

A: A gas whose molar mass you wish to know effuses through an opening at a rate half as fast as that of…

Q: A 2.7 L sample of neon gas is at 301 K and has a pressure of 775 mmHg.  How many moles of neon are…

A: The ideal gas equation : PV = nRT  Or, n = PV/RT .....(1)  Here, P = pressure of gas = 775 mmHg =…

Q: If a gas effuses  1.73 times faster than Kr what is its molar mass?

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Q: Boyle’s Law. What volume will 500 mL of gas at 600 torr occupy if the pressure is increased to 750…

A: Boyle's law: the given mas of a gas volume at constant temperature is inversely proportional to its…

Q: An unknown gas effuses at a rate 0.667 times the rate of CO2. What is the molar mass of the unknown…

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Q: 2.50 g sample of a certain gas occupies 0.875 L at 685 torr and 35°C determine the molar mass of the…

A: The mass of the particular chemical compound is determined using combined gas law. It is given by…

Q: It required 45.0 seconds for a certain number of moles of gas to pass through a small opening into a…

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Q: A sample of NH3 gas is observed to effuse through a pourous barrier in 3.61 minutes. Under the same…

A: According to Graham’s diffusion law, the rate of effusion of gases is inversely proportional to the…

Q: A gas mixture containing oxygen, nitrogen, and helium exerts a total pressure of 970 torr. If the…

A: Given data, Partial pressure of O2 = 440 torr Partial pressure of He = 65 torr Total pressure = 970…

Q: A sample of O3 gas is observed to effuse through a pourous barrier in 7.68 minutes. Under the same…

A: Graham’s law states that rate of effusion is inversely proportional to the square root of molar mass…

Q: The average molecular speed in a sample of O3 gas at a certain temperature is 354 m/s. The average…

A: Given data: Average Molecular speed of O3 = 354 m/s Molar mass of CH4 = 16.0 g/mol. Molar mass of O3…

Q: if an unknown gas sample effuses 1.432 times slower than a sample of Ar (39.95 g/mol) what is the…

A: Graham's law of effusion: Graham's law of effusion states that the rate of effusion of a gas is…

Q: An unknown gas effuses at a rate of 2.00 times the rate of Cl2. What is the molar mass of the…

A: We have to calculate the molar mass of unknown gas.

Q: Gas Y effuses half as fast as O2. What is the molar mass of gas Y?       g/mol

A: Given, gas Y effuses half as fast as O2.The molar mass of gas Y is calculated by using Graham’s law.

Q: At 25.0° C, a 10.00 L vessel is filled with 5.25 moles of Gas A and 5.00 moles of Gas B. What is the…

A: According to ideal gas law PV = nRT where P = total pressure V = volume of vessel n = total moles R…

Q: A gas sample containing 1.50 moles at 25°C exerts a pressure of 400. torr. Some gas isadded to the…

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Q: Gas Y effuses half as fast as O2. What is the molar mass of gas Y?

A: rate of effuses is inversely proportional to the square root of the molar mass of gas.

Q: A gas whose molar mass you wish to know effuses through an opening at a rate one-third as fast as…

A: A famous chemist “Thomas Graham” stated that the rate of effusion of any gas depends on molar mass…

Q: Container A contains 1 mole of Kr gas and Container B contains 1 mole of He gas. Both gases are at…

A: Graham's law of diffusion states that the rate of diffusion of gases is inversely proportional to…

Q: rate of effusion

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Q: An unknown gas effuses at a rate 0.500 times the rate of CH4. What is the molar mass of the unknown…

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Q: Do the two gases have the same molar mass? If not, yes no, 2-L flask contains the gas of higher…

A: Pressure and Temperature same.

Q: It required 45.0 seconds for a certain number of moles of gas to pass through a small opening into a…

A:

Q: A mixture of gases at fixed volume and temperature contains 1 mole of He gas and an unknown amount…

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Q: a pure sample of methane is found to defuse through a porous barrier in 1.50 minutes. under the same…

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Q: A sample of So, gas is observed to effuse through a pourous barrier in 1.81 minutes. Under the same…

A: Rate of effusion :- The number of moles of a gas effused per unit time is called rate of effusion…

Q: An unknown gas effuses at a rate 0.667 times the rate of Ne. What is the molar mass of the unknown…

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Q: Hydrogen gas effuses through a porous container 8.97-times faster than an unknown gas. Estimate the…

A: Hydrogen gas effuses through a porous container 8.97-times faster than an unknown gas. Estimate the…

Q: A 1.42-g sample of helium and an unknown mass of O2 aremixed in a flask at room temperature. The…

A: Since the Temperature and volume are same for both He and O2  And from ideal gas equation we know…

Q: A gas at 511 torr and 1.8 liters is allowed to expand to 4.2 liters. What is the final pressure of…

A: Charles's law: P1V1=P2V2 (at constant temperature and amount)

Q: A 30.0 L vessel contains a mixture of carbon dioxide, sulfur trioxide, oxygen, and neon gases at…

A: The ideal gas equation is given by,                                                PV = nRT Where, P…

Q: A monoatomic gas effuses at a rate that is 5.729 times the rate at which Xe gas effuses at the same…

A: The process of escaping the gas molecule through a very small hole is known as effusion. During…

Q: A sample of gas in a cylindrical chamber fit with a movable piston occupied a volume of 4.141 liters…

A: Initial volume,V1 = 4.141 LIntial pressure,P1 = 817 torrFinal pressure,P2 = 1008 torr

Q: A sample of Ne gas is observed to effuse through a pourous barrier in 3.63 minutes. Under the same…

A: According to the Graham’s law, the rate of diffusion or effusion of a gas is inversely proportional…

Q: A 628 mL sample of gas contains 0.0370 moles and kept at 368 K. What is the pressure of the gas in…

A: Ideal gas law  is gas law which obeys gas laws under all condition of temperature and pressure.