2. A sample of He gas effused 5.3 times faster than an unknown gas, under the same conditions. Calculate the molecular mass of the unknown gas.

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: Calculate the molar mass of a gas that diffuses threetimes faster than oxygen under similar…

A: Given an unknown gas diffuses three times faster than oxygenunder similar conditions.we are asked to…

Q: A sample of carbon dioxide gas, CO₂, effuses from at container at a rate of 24.20 ml/min. A sample…

A: Rate of effusion of  CO2 = 24.20 ml/min Unknown gas = 18.40 ml/min Molar mass of Unknown gas = ?

Q: How can the gas density be calculated?

A: The effect of pressure and temperature is measured by Boyle’s law and Charles's law respectively.…

Q: The rate of effusion of oxygen to an unknown gas is 0.935. What is the other gas?

A:

Q: At the same temperature, which of the following gases will effuse the slowest?  A. Hydrogen B.…

A: According to graham's law, the rate of effusion of any molecule is inversely proportional to the…

Q: What is the density of nitrogen gas (N2) at 248.0 Torr and 18 ̊C? Tip: Density is mass/volume. ρ =…

A: Density: ρ = PMRT    = 248760×280.0821×18+273     = 0.38 g/L

Q: a rate of effusion th

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Q: The plot below shows the distribution of molecular velocities for two gases (A and B) at the same…

A: Interpretation: We have to tell which statement is true.

Q: The density of 1.00 mol of an unknown gas at a temperature of -71oC and a pressure of 2,359 torr is…

A:

Q: the

A: Speed of effusion of any gas depends up on the Molecular weight of the gas. If speed of effusion for…

Q: ´A gas of unknown molecular mass was allowed to effuse through a small opening under…

A: Given, a gas of unknown molecular mass was allowed to effuse.Volume effused of unknown gas =1.0…

Q: Hydrogen gas (H2) effuses through a porous container 8.97-times faster than an unknown gas. Estimate…

A:

Q: Under what temperature condition (or ratio of temperatures) will a sample of gas have the same value…

A: we know  Average speed (Vav) = 8RT/πM  where R= gas constant  T= Temperature in kelvin M= Molar mass…

Q: According to the Maxwell speed distribution chart below, determine the gas that has the lowest…

A: To determine which gas has lowest density at stp

Q: A 240. mL sample of an unknown gas at 99C and 722 torr has a mass of 1.20 g. Calculate the molar…

A: Given,Temp= 99 degree Celsius.Pressure = 722 torrMass = 1.20gVolume = 240mL

Q: Given two gas samples: one of N2 and one of He. If the two samples are at the same temperature,…

A: Given gases: N2 and He These gases are kept at the same temperature. The rate of effusion has to be…

Q: Carbon dioxide molecules have an average speed of 25.0 m/s at a given temperature and pressure. What…

A: The given data contains, Average speed of CO2 = 25 m/s.

Q: How much faster do helium atoms effuse from a balloon than do oxygen molecules?

A: According to the graham's law of effusion, where vA = speed of effusion or rate of effusion of gas…

Q: Is the rate of effusion of neon greater or less than the rate of effusion of fluorine gas? How much…

A: Rate of Effusion = When in a per unit time gas passes through area , That rate is termed as rate of…

Q: * What is the relationship between molecular mass of a gas to its rate of effusion? A. The lighter…

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

Q: If a sample contaimns 0.312 moles of Xe and 0.8 moles of He, determine the total pressure of the gas…

A:

Q: What is the molar mass of the unknown gas?

A: From the above problem, Recall that Graham's Law of Effusion allows us to compare the rate of…

Q: It states that for a fixed amount of gas at a constant temperature, the gas volume is inversely…

A:

Q: f a mixture of gases contained nitrogen at a pressure of 984 torr and carbon dioxide at 345 torr,…

A: According to Dalton's Law which states that the total pressure of the mixture of gases will be equal…

Q: What is the average speed for carbon monoxide molecules at the same temperature and pressure ?

A: Average speed of a gas can be calculated by using the following formula.    Since the value of…

Q: Equal moles of sulfur dioxide gas and oxygen has are mixed in a flexible reaction vessel and then…

A: The reaction of sulfur dioxide (SO2) with oxygen (O2) is as follows:

Q: How much more rapidly does a sample of He(g) effuse than a sample of Ar(g) under the same…

A: We have to calculate the rate of effusion on comparing He and Ar.

Q: How does the kinetic theory of matter as it apply to gases?

A:

Q: The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. Calculate the molar mass of…

A: Given that, The rate of effusion of an unknown diatomic gas to oxygen is 0.355:1.00. I.e.,…

Q: The average molecular speed in a sample of  CO2 gas at a certain temperature is 382 m/s. The…

A:

Q: O A sample of gas occupies a volume of 500mL at a temperature of 400K. Determine the original…

A:

Q: A hydrogen gas effuses at a rate of 6.2 mL/s. Calculate the molar mass of the unknown gas, which…

A: Given, Rate of effusion of hydrogen gas = 6.2mL/s. Rate of effusion of unknown gas = 0.61mL/s.

Q: At the same temperature, which of the following gases will effuse the slowest? A) Hydrogen B) Helium…

A:

Q: A sample of unknown gas effuses in 74.1 minutes. An equal volume of argon in the same apparatus at…

A:

Q: How much faster does Nitrogen effuse than hydrogen sulfide at 273K?

A: The ratio of the speed of the two gases can be calculated by Graham’s law of effusion. The relation…

Q: A sample of Kr gas is observed to effuse through a pourous barrier in 1.16 minutes. Under the same…

A: According to Graham’s law of diffusion

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

A:

Q: At a particular pressure and temperature, nitrogen gas effuses at the rate of 79 mL/s. Using the…

A: Given information: Rate of diffusion of nitrogen gas = 79 mL/s Since the pressure and temperature of…

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…

A:

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

A: Rate of diffusion is given by Graham's law or it is known as graham's law of diffusion, it states…

Q: Uranium hexafluoride, UF, is an important compound used in the enrichment of uranium by gaseous…

A:

Q: Determine the rate of effusion of the densest gas known, uf6 to that of the lightest gas hidrogen

A: The movement of the molecules of liquids or gases from higher concentration to lower concentration…

Q: How does the density of the gas depend on the molar mass of the gas?

A: The density of the gas depends on the molar mass of the gas has to be defined.

Q: Avogadro’s law states that equal volumes of different gases under the same conditions of temperature…

A: Avogadro’s law: Avogadro's law states that on keeping temperature and pressure constant, if all the…

Q: The average molecular speed in a sample of NO2 gas at a certain temperature is 376 m/s. what is the…

A: The given in formation is as follows: The average molecular speed of NO2 = 376 m/s The average…

Q: Unknown gas diffuses through a porous barrier at a rate of 0.20 mL/minute. If a water gas diffuses…

A: In this we have to find the molar mass of unknown gas, the rate of diffusion of given gases are…