Explain and answer  The best laboratory vacuum pump can generate a vacuum of about 1 nTorr. At 25° C and assuming that air consists of N2 molecules with a collision diameter of 395 pm, calculate:i) the mean free path of the gas. (1 J = 1 kg.m2/s2) R = 8.31451 J K-1 mol-1

Q: 2.0 moles of ammonia (NH3) were found to occupy a volume of 2 m3 at temperature 300 K. Calculate the…

A: The Van der waal equation can be expressed as follows: P + n2aV2V - nb = nRTP = Pressure of the gasV…

Q: true or false At 298K, N2 molecules have a mean speed of 475 m/s. As a consequence, the probability…

A: Root mean square velocity is occupied by least number or molecules so chances are least.

Q: Suppose a uniform ideal gas of total mass M, temperature T and N particles. What is the (v²) of each…

A: The internal energy for a monoatomic gas is given by: Eint=32NKBT Similarly, the internal energy for…

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A: The ideal gas follow the ideal gas law, that is, pV=nRT, where p is the pressure, V is the volume, n…

Q: The gas in the discharge cell of a laser contains (in mole percent) 11% CO2, 5.3% N2, and 84% He.…

A: We know density can be calculated using the formula - DRT=PM  Where  D=Density(g/L)…

Q: The best laboratory vacuum pump can generate a vacuum of about 1 nTorr. At 25 °C and assuming that…

A: Boltzmann constant k = 1.381 ×10-23 J K-1 R = 8.3145 J mol-1 K-1 d = 395 pm or 395 * 10-12 m T = 298…

Q: Calculate the mean speed of atoms of argon in a gas at 25oC if the mean speed of neon under these…

A:

Q: Suppose a uniform ideal gas of total mass M, temperature T and N particles. What is the (v²) of each…

A: Given data The ideal gas having total mass = M temperature = T  number of Particle = N it's asking…

Q: Consider Argon (Ar) gas at a pressure of 1 bar and temperature of 300 K. The equivalent hard sphere…

A: We will be using the following formulae for solving the given problems: 1. PV=nRT .. (1) Here, 'P'…

Q: Determine the average speed, mean free path and collision frequency for molecular oxygen with 4.0…

A:

Q: Use the kinetic model to calculate the root-meansquarespeed of (a) N2 (b) H20 molecules in the…

A: Root mean square speed: Root mean square speed is given by formula, μ(rms)=3RTM Where, R=gas…

Q: A 1.02 g sample of an unknown gas in a 537-mL container generates a pressure of 101.7 kPa at 298 K.…

A: Ideal gas equationPV = nRT = where m = mass of the gasM = molar mass of the gasP = pressure of the…

Q: 2.0 moles of ammonia (NH3) were found to occupy a volume of 2 m³ at temperature 300 K. Calculate the…

A: Recall Van der Waal's  equation            P+n2aV2V-nb=nRT                     P+n2aV2=nRTV-nb…

Q: Clouds of hydrogen molecules have been detected deep in an interstellar space. It is estimated that…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given:…

Q: 4. A certain gas obeys the equation PV, = RT + a,P + a¿P² where Vm is the molar volume, and a, and…

A:

Q: The best laboratory vacuum pump can generate a vacuum of about 1 nTorr. At 25oC and assuming air…

A: P = 1 ntorr = 1 x 10-9 torr = 1.33 x 10-7 Pa T = 25oC = 298 K d = 395 pm = 395 x 10-12 m a).…

Q: A certain ideal gas has 3 translational degrees freedom and 3 other degrees of freedom. The initial…

A: Given: The translational degree of freedom of the ideal gas = 3                      The other…

Q: 10 molecules of a gas are present in a container maintained at 298 K. What is the probability that…

A:

Q: Calculate the mean speed and the root mean square speed for the following set of molecules: 10…

A: The mean speed is defined as the arithmetic mean of different velocities possessed by molecules…

Q: Calculate the number density for a sample of Argon gas that has a mean free path of 500 Å. (1.000 Å…

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Q: f 250 mL of methane, CH4, effuses through a small hole in 28 s,what is the time required for the…

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Q: Calculate the number of collisions per second of one hydrogen molecule at 22 °C and 8.00 bar. The…

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Q: True or false? At 298K, N2 molecules have a mean speed of 475 m/s. As a consequence, the…

A: Mean speed is the average speed of all the molecules with different velocities.  Some molecules may…

Q: A laboratory vacuum pump can generate a vacuum of about 1 nTorr at 27°C. Assuming that air consists…

A: Given data: Temperature (T) = 27o C = 273 + 27 = 300K Diameter (d) = 395 pm = 395 x 10-12 m Pressure…

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A: Given information: n = 3 and n = 4

Q: calculate the average translational kinetic energy, Ek, for one mole of gas as 553 K. Transitional…

A: Given,Temperature = 553K.

Q: Determine the number of degrees of freedom (trans + rot) for each of the following gases; Ne, CO2,…

A: Step 1) Degree of freedom is used to describe the motion of the particles completely. If a molecule…

Q: A moture of gaseous reactants is put nto a cyinder, where a chemical reaction turns them nto gaseous…

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Q: Calculate the mean speed of atoms of argon in a gas at 25 oC if the mean speed of neon under these…

A: (A)From the expression of root mean square velocity, it is clear that root mean square velocity of…

Q: 1. At an altitude of 150 km, the pressure is about 2.7 x 10-⁹ bar and T≈ 500 K. (a) Assuming for…

A: The explanation is given below-

Q: At what pressure does the mean free path of Argon at 298 K become comparable to the size of a 1.000…

A: Given data,Temperature=298KDiameter=0.339nmwe know,1 nm=10-9mtherefore,0.339nm=0.339×10-9m

Q: The temperature of a 5.00-L container of N2 gas is increasedfrom 20 °C to 250 °C. If the volume is…

A: (a)The average kinetic energy of any gas is in directly proportional to the temperature. As the…

Q: At 298K, N2 molecules have a mean speed of 475 m/s. As a consequence, the probability to randomly…

A: Given that the mean speed of the gas is 475 m/s .