Assume that air consists of N2 molecules with a collision diameter of 395 pm. Calculate (i) the mean speed of the molecules, (ii) the mean free path, (iii) the collision frequency in air at 1.0 atm and 25 °C.

Q: Calculate the average molecular weight of air by mole fraction and mass fraction from its…

A: Mole fraction is ratio of the mole of the substance to the total no. Of moles present in the…

Q: What is the molecular weight of a gas that diffuses 1/50th as fast as hydrogen?

A: Given : Unknown gas diffuses 1/50th times than that of hydrogen.

Q: Calculate the root mean square speed of nitrogen gas molecules at 0oC degrees Celsius.  m/s

A: The question is based on the concept of gases. we have been given nitrogen gas & its…

Q: Calculate the root-mean-square speed of the molecules in a sample of Cl2 gas (M = 0.0709 kg/mol) at…

A: Root-mean-square speed: The speed of a gas particle depends on the temperature of the gas and its…

Q: Determine the root-mean-square speed (in m/s) of SF6 molecules at 137.1 Torr and 22.17 °C?

A: Root-mean-square speed: The speed of a gas particle depends on the temperature of the gas and its…

Q: Calculate the root mean square velocity of chlorine gas at 40 0C.

A: Answer: Root mean square velocity of Cl2 gas = 331.83 m s-1

Q: What is the mean speed, K, of N2 molecules in air at 25°C?

A: Answer of the question given below,

Q: What is the molar mass of a gas found to have a density of 0.841 g/L at 415 K and 96.7 kPa?

A: Interpretation- molar mass of gas Concept introduction- Ideal gas equation is, PV= nRT……… (1)…

Q: A methane molecule may be considered as spherical, with a radius of 0.38 nm. Use this information to…

A: The mean speed of the molecules can be calculated as shown below.

Q: What is the height of a column of liquid in a barometer if the density of the liquid is 1.478 g/mL…

A: Formula of pressure: P = hdg Where h = height, d = density, g = acceleration due to gravity Given,…

Q: What is the root-mean-square speed of CO at 113 degrees Celsius?

A: Temperature = 113 C =(113+ 273) K =386K Molar mass of CO  = 28.01 g/mol

Q: Calculate the root-mean-square velocity for an oxygen molecule at –23 °C.

A: The formula required to calculate root mean square velocity is shown below, Here M is the molecular…

Q: What is the root mean square speed (in m/s) of nitrogen at 26.3oC?

A: Given, Molecule  = nitrogen  (N2) Temperature = 26.3 °C =(26.3+273)K = 299.3 K

Q: Calculate the root mean square speed of helium atoms and nitrogen molecules in m/s at 25°C

A:

Q: Which has the greater root-mean square speed 235UF6 or 238UF6? If the container that holds a mixture…

A: Root mean square speed : It is one of the methods to measure the average speed of a gas particle. As…

Q: Calculate the root-mean-square speed of molecular chlorine in m/s at 21.0°C

A:

Q: The root-mean-square speed of CO at 121.7 °C is m/s.

A: We know the root mean square(r.m.s.) speed of a gaseous molecule is given as-

Q: 23.1 mL Ne (g) is effected from a small hole to the vacuum in 5.45 seconds. In how many seconds does…

A:

Q: What is the root-mean-square velocity of O2 gas molecules in the stratosphere where the temperature…

A: Given information,       O2 gas molecules in the stratosphere      Temperature is 260 K

Q: In kinetic molecular theory, what are at least two assumptions that describe an ideal gas?

A: Kinetic Molecular Theory of Gases (KMT) is used to describe the behavior of gases.

Q: Calculate the root mean square speed of hydrogen gas molecules at 125oC degrees Celsius ____ m/s

A: Given, hydrogen gas molecules at 125°C Temperature =125°C =(125+273.15) K =398.15 KMolar mass of…

Q: Calculate the root-mean-square average speed of a nitrogen molecule in air at 21 C.

A:

Q: At what pressure does the mean free path of argon at 25 °c become comparable to the diameter of a…

A: T = 298 K λ= 1.0 dm3 = 0.1 m σ = 0.36 nm2 = 0.36 x 10-18 m2 λ=Rt2σP P=Rt2σλ

Q: The critical constants of ethane are pc = 48.20 atm, Vc = 148 cm3 mol−1, and Tc = 305.4 K. Calculate…

A: Given, the critical constant of ethane is ,Pc =48.20 atm , Vc =148 cm3  and Tc =305.4 K we are asked…

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: At constant temperature, how can you express the rate of change of the pressure in an ideal gas law,…

A: From the ideal gas equation:

Q: What is the root mean speed in m/s of O2 at 15°C?

A:

Q: Calculate the value of the root-mean-square speed of ozone molecules in the stratosphere, where the…

A: The formula of the root-mean-squared velocity is in the figure whereWhere,Vrms = the…

Q: 1.1(a) (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm³ exert a pressure of 20 atm at 25°C…

A:

Q: How can we calculate the root mean square velocity of gaseous xenon atoms at 25 °C?

A: Root mean square velocity Root mean square velocity is directly proportional to square root of…

Q: Could 25 g of argon gas in a vessel of volume 1.5 dm3 exert a pressure of 2.0 bar at 30 °C if it…

A: The mass of the argon gas = 25 g The volume of the vessel = 1.5 dm3 The temperature of the gas = 30…

Q: Describe the factors responsible for the deviation of the behavior of real gases from that of an…

A: In the cases of ideal gases, there are no intermolecular forces of attraction within the gas…

Q: Could 131 g of xenon gas in a vessel of volume 1.0 dm3 exert a pressure of 20 atm at 25 °C if it…

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low…

Q: 2. There is 1250. cm³ of chlorine gas at 25°C and 90,000 Pascals, what volume will the same gas…

A: Combined gas equation is the combination of Boyle's law, Charles law and Gay lussacs law.

Q: Determine the ratios of (i) the mean speeds, (ii) the mean translational kinetic energies of H2…

A: Given Temperature is constant. T = 20oC  Formula  Mean speed = 8RTπM  Mean Translation kinetic…

Q: 1. (a) Could 131 g of xenon gas in a vessel of volume 1.0 dm 3 exert a pressure of 20 atm at 25°C if…

A:

Q: Calculate the root-mean-square speed of an O2 molecule with an average kinetic energy of 6.2x10^-21…

A: The average kinetic energy of O2 is 6.2×10-21. The given temperature is 25˚C   The conversion of ˚C…

Q: Since the value of the van der Waals constant b for argon is 0.0322 dm3 / mol, what is the radius of…

A: Given , vander waals constant, b = 0.0322 dm3/mol = 3.22 x 10-5 m3/mol  Radius of Ar atom ,r  = ?

Q: Calculate the root-mean-square speed of molecular chlorine in m/s at 25.0°C.

A: The room-mean-square-velocity: The root-mean-square (RMS or rms) is defined as the square root of…

Q: Calculate the root mean square velocity and kinetic energy of CO, CO2, and SO3 at 298 K. Which gas…

A:

Q: Since the value of the van der Waals constant b for argon is 0.0322 dm3 / mol, what is the radius of…

A: Given that: b = 0.0322 dm3 / mol                        = 0.0322  x 10-3 m3 / mol…

Q: Estimate the coefficients a and b in the Dieterici equation of state from the critical constants of…

A: The dielectric equation equation for the pressure is p=R×t×e-aR×T×VmVm-b              (1)the…

Q: Use the kinetic theory of gases to determine the molar mass of molecules with root-mean-square speed…

A:

Q: Calculate the root-mean-square speed of Ne atoms at the temperature at which their average kinetic…

A: Given :-  Average kinetic energy of Ne = K = 4.33 kJ/mol = 4330 J/mol  Root mean square speed of Ne…

Q: . A sample of N2O effuses from a container in 42.0 seconds. How long will it take the same amount of…

A: Rate of effusion is inversely proportional to Molar mass of the gas . rate = 1M

Q: Determine the root mean square velocity of chlorine molecules at 25.0 C in m/s.

A: Temperature =25°C Used formula- U(rmx)=√(3RT/M) Molar mass of Cl2=70.906g/mol