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 (a) the mean speed of the molecules, (b) the mean free path, (c) the collision frequency in the gas.

Q: The maximum in the Maxwell–Boltzmann distribution occurs when df(v)/dv = 0. Find, by…

A:

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

A: Given that, The pressure is P = 1 nTorr = 1×10-9 torr = 10-9×133.322 N/m2 = 1.33×10-7 N/m2, The…

Q: Using the Debye-Huckle relation logY ± 10 show how one obtains the 1+B/H equation log,c, A/u 0. 5pK…

A: log10γ+/-=-Aμ1+Bμ               (1)

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: A scientist proposed the following equation of state: RT p = C + V2 B Vm V3 m Show that the equation…

A: Solution -

Q: Using the Woodward-Fieser Rules, give the predicted λmax for the following compounds

A:

Q: A container of internal volume 22.0 m3 was punctured, and a hole of radius 0.050 mm was formed. If…

A: Theoretical Formula

Q: 1) It can be estimated from the Van der Waals equation for ammonia that, for a sample of NH3, 840 Pa…

A: For Vanderwaal gas NH3, given data: Cv = 27.32 JK-1mol-1 moles = 1 Change in temperature = 2 K…

Q: Given the equation: dU = TdS – PdV %3D U = (T, V) Show that:

A: Fundamental equations of Thermodynamics(1) The combined first and second lawFrom the first law: dU=…

Q: What function does a third body serve in an atmospheric chemical reaction?   (b) What two chemical…

A: a) The third body absorbs excess energy from an energetic newly formed or excited molecule or…

Q: Use the virial equation of state to calculate the pressure exerted by 1.00 mol CH4, at 273 K…

A: GIVEN: Vm=1.00 cm3 =0.001 Litre R=0.082057 L atm K-1mol-1 T=273K n=1 mol CH4  B2(T)=-53.6 cm3…

Q: Calculate the mole fraction of 15% (w/w) C6H12O6 ?

A:

Q: Forgot to put the units they are asking for on the previous submission. Am I doing this correctly?…

A: The details of calculation is given below:

Q: A specially constructed velocity-selector accepts a beam of molecules from an oven at a temperature…

A:

Q: 19.7 cm3 of a pure vapour, at 1.092 atm, and 99.0 °C has a mass of 0.0466g. Calculate the molar mass…

A:

Q: What would be the height of the column in a barometerif the external pressure was 101 kPa and…

A: The external pressure is 101 kPa. The density of water is 1.00 g/cm3. The conversion of gram (g)…

Q: A gas mixture containing 3 moles of ethylene and 2 moles of oxygen is undergoing the following…

A: Among the products formed only ethylene oxide [(CH2)2O] and carbon dioxide [CO2] are gaseous.…

Q: Peroxyacyl nitrates contain two relatively weak bonds that can be broken by low-energy photons.  The…

A: The wavelength of photon that has enough energy to cause the photo dissociation of the weakest bond…

Q: Using a vacuum pump, a vessel containing pure nitrogen gas has its internal pressure reduced to 1.33…

A: Given, Internal Pressure, P = 1.33 × 10-7 Pa Temperature, T = 298 K Collision diameter, d = 395 pm =…

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 container of internal volume 22.0 m3 was punctured, and a hole of radius 0.050 mm was formed. If…

A: Given data contains, The internal volume of the container = 22.0 m3 The temperature = 293 K The…

Q: What is the total collisional frequency at 298 K for a collection of Ne and He confined to a 1 dm3…

A: When two different gas molecules collide with each other then collision frequency is denoted as ZAB.…

Q: Calculate the van der Waals second viral coefficient (B) using Zydw a at 309.9 K, where Zvdw is…

A: temperature = T = 309.9 K Pc = 92.9 atm Tc = 453.3 K Vm,c = 135.5 cm3/ mol R = 0.0821 lit atm degree…

Q: Experimental data shows that the atmosphere of planet X is composed of pure carbon dioxide, with the…

A: Given: Pressure at ground level = 700 Pa = 0.00690 atm Temperature = -60 oC = 213 K molar mass of…

Q: In a study of the catalytic properties of a titanium surface it was necessary to maintain the…

A:

Q: Use the Michaelis–Menten equation (eqn 17F.16) to generate two families of curves showing the…

A:

Q: ind the mass of ammonia (NH3) in a 5 m^3 vessel having a pressure of 120 kpa and 20C.

A:

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

A:

Q: 7. Determine the mole fraction of C3H3O and H2O in a solution prepared by dissolving 15g of alcohol…

A: Mole fraction of solute = (Moles of Solute) / (Total number of moles of the solutes and the…

Q: 26 24 22 20 18 16 14 12 B 10 5 10 15 20 Volume (L) 2.00-mol of a monatomic ideal gas goes from State…

A: This is isothermal irreversible process

Q: A determination of the density of a gas or vapour can provide a quick estimate of its molar mass.…

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

Q: How many diffusion stages are required if 235U is to be enriched from 0.70 to 7.0% by means of the…

A: The nuclear reactions are a type of chemical processes which lead to the formation of some new…

Q: Activity: Under conditions of pressure and temperature close to normal (100 kPa, 25 °C), 99.97% of…

A: The pressure of a gas is inversely proportional to the volume at constant temperature is known as…

Q: A solid surface with dimensions 3.5 cm × 4.0 cm is exposed to helium gas at 111 Pa and 1500 K. How…

A:

Q: The overhead ozone at a given location is brought to the surface into a square with 1.00 m2 area, at…

A:

Q: 3. Solar radiation heats the surface after sunrise, and the resulting heat flux F to the atmosphere…

A:

Q: Calculate the mean free path of carbon dioxide molecules at 25oC and 1.0 bar, if its collisional…

A: Mean free path of gas molecules is given by  λ=(R)(T)(2)(A)(NA)(P) where  R = 0.0821 x 10-3…

Q: What would be the height of the column in a barometerif the external pressure was 101 kPa and…

A: The external pressure is 101 kPa. The density of water is 1.00 g/cm3. The conversion of gram (g)…

Q: A solid surface with dimensions 2.5 mm × 3.0 mm is exposed to argon gas at 90 Pa and 500 K. How many…

A: Given- Dimensions = 2.5 mm × 3 mmGas = ArgonPressure, P = 90 PaTemperature, T = 500 KTime, t = 15 s…

Q: A 10.0 mL sample of CO2 is collected by the downward displacement of water at 23.0°C and a room…

A:

Q: Explain why [1,3] sigmatropic migrations of hydrogen cannot occur under thermal conditions, but…

A: In a sigmatropic reaction “ one new sigma-bond is formed as another breaks.” In [1, 3] sigmatropic…

Q: The following data have been obtained for oxygen gas at 273.15K. From the data, calculate the best…

A: Using the ideal gas equation to find R,Assume that there is 1 mole of gas. pVm = n R T Given that,T…

Q: Hydrogen gas has a molecular collision diameter of 0.258 nm. Calculate the mean free path of…

A: The mean free path formula is given by -  λ = kT2πd2P Where  k = Boltzmann constant = 1.38 x 10-23…

Q: Can the Nernst equation be used at temperatures other than room temperature?

A: Yes , Nernst equation be used at temperatures other than room temperature also.    Ecell…

Q: Predict the general characteristics (strength, elasticity, crystallinity, chemicalreactivity) of a…

A: Polymers are very large molecules made when hundreds of monomers join together to form long chains.…