Calculate u rms (root mean square speed) in meters per second, for Cl 2 (g) molecules at 30 °C. (Cl: 35.45 g/mol)

Q: To minimize the rate of evaporation of the tungsten filament, 1.4 × 10-5 mol of argon is placed in a…

A: The pressure of argon in light bulb at 23 degree Celsius is calculated as,

Q: It takes 24 hours for 1.5 L sample of carbon monoxide, CO, to effuse through a pinhole. Under the…

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

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: What pressure is exerted by 129.5 g of CH4 in a 0.3900 L steel container at 215.7 K?

A:

Q: A gas In a bulb registers a pressure of 833 mm Hg in The manometer in which the reference arm of the…

A:

Q: 1)How many mL of nitrogen gas is required to completely reacts with 12.0mL of hydrogen gas at…

A:

Q: A sample of volume 18.3 L has a mass of 57.9 g.(a) Is the material gaseous or condensed?(b) If the…

A: Since we know that gases molecules are spread over the entire vessel therefore it has very less…

Q: An organic chemist isolates a colorless liquid from a petroleum sample. She uses the Dumas method…

A: Given- Volume (V) of flask=213 mL Temperature =100.0°C Pressure=754 torr Mass of flask+gas=78.416 g…

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

A: On increasing the volume of the gas molecule, the gas molecules spread far apart. Due to this the…

Q: A solid brick of dry ice (C O 2 ) weighs 0.75 kg.Once the brick has fully sublimated into C O 2 gas,…

A: The given data contains, mass = 0.75 kg = 750 g. Temperature = 273 K Pressure = 1 atm gas constant…

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: At what pressure does the mean free path of argon at 20 °C become comparable to 10 times the…

A:

Q: _9. Rank the following substances in order of increasing average velocity, assuming they are all at…

A:

Q: Calculate the density of uranium (VI) fluoride, UF6, at 70.0 °C and 25.0 kPa.

A: density of uranium (VI) fluoride, UF6 = d = ................ Molar mass of UF6 = M = 352 g/mol…

Q: At what temperature will a molecule of uranium hexafluoride, the densest gas known, have the same…

A: Formula for root mean square speed of Molecule at Kelvin temperature is ; Where , T = temperature…

Q: .What is the temperature of gas, in K, that is expanded from 2.5 L at 25 C to 4.0 L at constant…

A:

Q: To minimize the rate of evaporation of the tungsten filament,1.4 x10-5 mol of argon is placed in a…

A: Given information:

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: What is the ratio of the average kinetic energy of a SO2 molecule to that of an O2 molecule in a…

A: …

Q: What volume does 12.6 grams of sulfur trioxide occupy at 35 degree C and 1.36 atm?

A: Ideal gas equation is, PV= nRT Where, P=pressure in atm, V=Volume in L, n =number of moles R=gas…

Q: If He(g) has an average kinetic energy of 6750 J/mol under certain conditions, what is the root mean…

A: The root mean square velocity of gas is inversely proportional to the square root of its molecular…

Q: A balloon filled with helium gas takes 6 hours to deflate to 50% of its original volume. How long…

A: According to Graham’s law, if a mixture contains two gases, then the rate of effusion at constant…

Q: 13.2p. What happens to the mass of air when water vapor is introduced at the same pressure and…

A: the mass of air when water vapor is introduced at the same pressure and volume will be:

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: What is the RMS speed of a sample of SF6 at 57.79 °C, in m/s?

A:

Q: If He(g) has an average kinetic energy of 7890 J/mol under certain conditions, what is the root mean…

A:

Q: A hot-air balloon has volume of 851 L at 291 K. to what temperature (in K) must it be heated to rise…

A: Given,  Initial volume of hot air balloon = 851 L at 291 K.  The temperature must it be heated to…

Q: Samples of CO9) and CO2(g) are placed in 1 L containers at the conditions indicated in the diagram…

A: Average kinetic energy(K.E.):- It is defined as the 3/2 of the product of Universal gas constant (R)…

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

A:

Q: One unit in R, when used in gas law calculations, that can NOT be changed is  A. oC B. L C. mm Hg…

A: R is a gas constant . Its value can vary depending upon the units used in your requirements.

Q: The density of liquid octane, C8H18, is 0.7025 g/mL. If 1.00 mL of liquid octane is vaporized at…

A: Data given: Density of octane = 0.7025 g/mL Volume of octane = 1.00 mL Temperature, T = 100 °C =…

Q: A 2.5 L canister under a pressure of 150 kPa at 20 °C is compressed to a volume of 1.5 L at 35 °C.…

A: The answer to the following question is-

Q: At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules of 20.0…

A:

Q: A steel container of volume 0.35 L can withstand pressures up to 88 atm before exploding. What mass…

A: Given that, Volume (V) = 0.35 L Temperature (T) =299 K Pressure (P) =88 atm R = 0.0821 L atm mol-1…

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

A: Since we know that under same condition of temperature, pressure and volume two gases will have…

Q: A commercial refrigeration unit accidentally releases (1.84x10^1) mL of ammonia gas, NH3, at SATP.…

A: The question is based on the concept of ideal gas equation. we have to calculate molecules of…

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

A:

Q: If it takes 12.0 hours for a volume of nitrogen, N2 to effuse through pores in a balloon, how long…

A:

Q: Convert 580 mm Hg to units of atmospheres. O 1) 0.76 atm 2) 1.00 atm O 3) 5.80 atm O 4) 0.763 atm 5)…

A: Units of pressure: Units for pressure are given below: Pascal atm Torr bar

Q: From data gathered by Voyager 1, scientists have estimatedthe composition of the atmosphere of…

A: Given information: Total pressure = 1220 torr Percent of nitrogen = 82% Percent of argon = 12%…

Q: (a) Place the following gases in order of increasing averagemolecular speed at 25 °C: Ne, HBr, SO2,…

A: The molecular speed of gas molecules is inversely proportional to the root of their molar mass.…

Q: If it takes 10.6 hours for 1.00 L of nitrogen, N2, to effuse through the pores in a balloon how long…

A: Given, volume of gas effused of N2 and He gas are 1.0 Ltime required to effused  N2  gas =10.6…

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: The height of the mercury in the right arm of a manometer open to atmospheric pressure (760 mmHg) is…

A: The pressure of gas present inside the bulb is expressed as follows,

Q: A 1.00-mole sample of dry ice (solid CO2) is placed in a flexible, sealed container and allowed to…

A:

Q: Substance air (78 % N2, 21 % O2) CO2 (g) Density of gas at STP 1.279 g/L 1.977 g/L 1. The table…

A: More is the density, the more it displace others from the vessel.

Kinetic-Theory of Gases

Kinetic theory of gases is the model or method which was developed in the 19th century by Maxwell and Boltzmann. This is possible as the interatomic force which is of short-range forces that are important for solids and liquids can be neglected for gases. This theory or gas law gives a molecular interpretation of the pressure and temperature of a gas and is consistent with gas laws and Avogadro’s hypothesis. This theory is very helpful to correctly explain the specific heat capacities of many gases, kinetic energy and it also explains the transport qualities such as viscosity, thermal conductivity, and diffusion with molecular parameters. As stated in the kinetic-molecular theory, the temperature of a substance or gas particle is related to the average kinetic energy of the particles of that substance. When a substance is heated, some of the absorbed energy is stored within the particles, while some of the energy increases the motion of the particles, called average kinetic energy.