Assuming an equimolar mixture of N2 and He, how many times faster will He atoms initially leak through a pinhole in the container? Repeat the calculation for a mixture such that the mol fraction of He is 0.25.

Q: What is the mole fraction of nitrogen in a mixture of Ar, N2, and He in which the partial pressure…

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Q: The partial pressures of H2 gas and O2 gas in a mixture are 2.35 atm and 1.09 atm, respectively.…

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Q: A mixture containing 0.250 mol N2 (g), 0.150 mol CH4 (g), and 0.100 mol O2 (g) is confined in a 1.00…

A: Moles of N2 = 0.250 mole CH4 = 0.150 mole O2 =0.100 mole

Q: What is the ratio of urms to ump for a sample of O2(g) at 300 K? Will this ratio change as the…

A: The root mean square speed is calculated below.

Q: These two gases are mixed in a steel vessel. What can you say about the relationship between each…

A: a)partial presuure- I=II because partial pressure depend on mole fraction here both have same mole…

Q: What is the molar mass of a gas that effuses twice as fast as methane (CH4)?

A: Graham's Law of Effusion can be defined as, So in the given case A is methane and B is the unknown…

Q: Which gas in the following pair diffuses more rapidly and what is the relative rate of diffusion? H2…

A: According to graham's law, the rate of diffusion is inversely proportional to the square root of…

Q: to 1/11 of its original volume before ignition, by what factor does the pressure in the cylinder…

A: The ideal gas equation is as follows,                                       P V = n R T Where, P is…

Q: A sample of lead glass is prepared by melting together 20.0g silica , SiO2 and 80.0g of lead (II)…

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Q: What is the partial pressure of the grey gas in the container below, given that the total pressure…

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Q: What mass of Carbon Dioxide will exert the same pressure as 12.5 g of ammonia at the same volume…

A: # We are given that we have same condition for both gases that is same volume, temperature and…

Q: How does the partial pressure of gas A in a mixture compare to its mole fraction in the mixture?…

A: How does the partial pressure of gas A in a mixture compare to its mole fraction in the mixture has…

Q: How many g of He are in a sample with pressure= 3.4 atm, volume= 3.5L, and T= 37°C, assuming that it…

A: Given ,  Pressure ( P ) = 3.4 atm Volume ( V ) = 3.5 L Temperature ( T ) = 37°C = (37+273.15)K =…

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.66 L1.66 L was placed in a weighted…

A: Initial pressure, P1=1.00 atm The initial volume, V1=1.66 L Final pressure, P2=10.0 atm The final…

Q: Answer the following and note that this is seriously not out of scope for Solutions. 3.) Which…

A: The kinetic theory of gases is summarized as below: 1) The gas particles are smaller compared to the…

Q: A 1-L sample of CO initially at STP is heated to 546 °C, and its volume is increased to 2 L.(a) What…

A: (a)

Q: A sample of hydrogen (H2) gas was collected over water at 60°C. If the total volume of gas…

A: Given, The volume of the gas is 59.7 mL = 0.0597 L Temperature of gas is 60oC = 60 + 273 = 333K…

Q: What pressure is exerted by 998.1 g of CH4CH4 in a 0.600 L steel container at 135.2 K?

A: According to Ideal gas equation PV=nRT P=pressure V= volume R=gas constant = 0.0821Latm/mol.K T…

Q: The total pressure exerted by air at 2000 m above sea level is 596 mm Hg. The nitrogen gas (N2)…

A: Dalton’s law is applicable to calculate any gas’ partial pressure present in given gaseous mixture.…

Q: Explain how the compression factor varies with pressureand temperature and describe how it reveals…

A: The compression factor is also called as compressibility factor.It is represented by Z.

Q: How much pressure would 0.8 moles of a gas at 370 K exert if it occupied 17.3 L of space?

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Q: A sample of gaseous arsine in a sealed 500.0 mL flask at 278.0 torr and 223 K is heated to 473 K at…

A: The no of moles of arsine before and after decomposition can be calculated from ideal gas equation.…

Q: Hydrogen was collected over water at 21.4°C on a day when the atmospheric pressure was 741 Torr. the…

A: Given :  Temperature = 21.4 °C = 294.4 K  Atmospheric pressure = 741 Torr  Volume of gas collected =…

Q: A mixture of N2(g) and Ar(g) is placed in an effusion apparatus. Which one of the following…

A: “Since you have asked multiple question (questions without number), we will solve the first question…

Q: If an ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of…

A: An ideal gas initially at 0.8 bar and 1.7 L is compressed at constant temperature to a volume of 0.9…

Q: 5. According to the Graham's Law of diffusion which moves faster HCl or NH, define and please plain…

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Q: what pressure is exerted by 870.2g of CH4 in a 0.630L steel container at 240.8K?

A: According to ideal gas law  PV = nRT  where P = pressure in atm  V = volume in L = 0.63 L (given) n…

Q: Answer the following and give an explanation or reason: 3. Which assumptions of the kinetic…

A: The assumptions of the kinetic theory of gases are as follow The particles of gas are small and…

Q: Use the van der Waals equation to calculate the pressure exerted by 1.370 molmol of Cl2Cl2 in a…

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Q: A mixture of nitrogen and krypton gases contains nitrogen at a partial pressure of 502 mm Hg and…

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Q: Which has a higher root mean square velocity, H2(g) at 150 K or He(g) at 650K?

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Q: 1. What will be the pressure of a sample of 48.0 g of oxygen gas in a glass container of volume 5.2…

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Q: How does the partial pressure of gas A in a mixture compareto its mole fraction in the mixture?…

A: Partial pressure: It is the pressure that is exerted by individual gaseous atoms or molecules in a…

Q: A mixture of hydrogen and nitrogen gases contains hydrogen at a partial pressure of 300 mm Hg and…

A: We know that  Partial pressure of gas = mole fraction × total pressure That is  pg = Xg × P and also…

Q: 3. Which assumptions of the kinetic molecular theory for gases are modified to explain the shape and…

A: KINETIC MOLECULAR THEORY: The theory which was states the particle nature of gases and their…

Q: Consider separate 1.0-L samples of He(g) and UF6(g), both at 1.00 atm and containing the same number…

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Q: By volume, dry air is 78% N2, 21% O2 and 1% Ar. What is the partial pressure of each of these…

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Q: Which gas would you expect to deviate most from ideal behavior under conditions of low temperature:…

A: The deviation of gases from ideal behavior at low temperatures depends on the intermolecular forces.…

Q: What is the root mean square velocity of O2 at 375 K? Where R is the ideal gas constant(8.314 J/mol…

A: Interpretation-  To determine the root mean square velocity of  O2 at 375 K? Where R is the ideal…

Q: A 1.0 dm3 glass bulb contains 1.0 × 1023 H2 molecules. If the pressure exerted by the gas is 100…

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Q: A sample of O2 gas initially at STP is compressed to a smaller volume at constant temperature. What…

A: At STP Oxygen gas (O2) is compressed to a smaller volume having a constant temperature is given…

Q: 11. A compound effuses through a porous cylinder 3.20 times faster than helium. What is its molar…

A: Given: Let the rate of effusion of unknown compound A be x. Thus, the rate of effusion of He will be…

Q: Mass of flask +cap= 96.421g temp. of boiling water= 100 C Mass of flask+ cap+ condensed vapor=…

A: 1) Calculation of the average mass of the flask + cap + vapor: Average mass=97.005 g+96.957 g+96.984…

Q: if 2.50ml of NO2 gas eompletely conveted to N2O4 gas under the same conditions what volume will the…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Consider a sample of nitrogen gas, N2, in which the constituent molecules have a root-mean-square…

A: A question based on root mean square velocity, which is to be accomplished.

Q: Heavy water, D2O (molar mass = 20.03 g/mol), can be separated from ordinary water, H2O (molar mass =…

A: Graham's law of effusion (diffusion): Graham's law of effusion states that the rate of effusion of a…

Q: The pressure 95.7 m under water is 339 kPa. What is this pressure in torr?

A: The given pressure P=339 kPa1Kilopascal is 7.5006 TorrKilopascal value is converted into Torr