The root-mean-square speed of a gas at -83.62°C is 271.66 m s^-1. what is the molar mass of the compound? If it requires 13.44 minutes for 5.947 moles of helium to effuse in an effusion apparatus, how many minutes are required for 2.227 moles of this compound to effuse in the same apparatus?

Q: A quantity of an ideal gas with a molar mass of 40 g/mol is compressed into a 0,1m^3 cylinder. The…

A: Ideal gas equation is given by, PV = nRT   P - Pressure V - Volume n - no.of moles R - Universal gas…

Q: A vessel of volume 11.2 L contains 2.0 mol of H2(g) and 1.0 mol of N2(g) at 273.15K. Calculate the…

A: A vessel of volume 11.2 L contains 2.0 mol of H2(g) and 1.0 mol of N2(g) at 273.15K. The total…

Q: At a given temperature and pressure, it takes 9.48 minutes for a 1.5 L sample of He to effuse…

A: In this question, we want to determine the time for F2 effuse under given temperature and pressure.…

Q: Nickel forms a gaseous compound of the formula Ni (CO)x. Solve for the value of x given the fact…

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Q: The molar mass of a volatile substance was determined by the Dumas-bulb method. The unknown vapor…

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Q: 1. A sample of air was compressed to a volume of 24.4 L. The temperature was 298 K and the pressure…

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Q: The two isotopes of uranium, 238U and 235U, can be separated by effusion of thecorresponding UF6…

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Q: Arsenic(III) sulfide sublimes readily, even below its melting point of 320 °C. The molecules of the…

A: Given,Temperature = 3200C = 539K.Rate of effusion of vapor phase molecules = 0.28µAr.The root mean…

Q: A gas made up of homonuclear diatomic molecules escapes through a pinhole 0.251 times as fast as H2…

A: Graham's law states that rate of effusion of a gas through a pin hole is inversely proportional to…

Q: If the molar composition of dry air is 78% N2, 21% O2 and 1% Ar, calculate the partial pressure of…

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Q: 9. What is the root-mean-square speed of oxygen molecules at 27 °C?

A: The speed that is acquired by the different speeds of the gaseous molecules at a given temperature.…

Q: The pressure inside a hydrogen-filled container was 213 kPa at 21 °C. What would the pressure be if…

A: Given: Initial pressure       = 213 kPa Initial temperature = 21 oC Final temperature  = 99 oC

Q: Calculate the root mean square speed of xenon (Xe) atoms in a sample of xenon gas at 21.2 °C.

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Q: The root mean square speed of a gas at 250.26 degrees Celsius is 332.50m s^-1. What is the molar…

A: Root mean square speed=3RTM where T is temperature and  M is molar mass of gas.

Q: . What pressure would 131 g of Xe gas exert in a vessel of volume 1.0 dm³ at 25°C, if it ehaved like…

A: Answer:-This question is answered by using the simple concept of calculation of pressure using the…

Q: We separate U-235 from U-238 by fluorinating a sample of uranium to form UF6 (which is a gas) and…

A: The diffusion of gaseous particles through a small hole is called an effusion.

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

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Q: Calculate the number of grams of Mg that reacted to produce hydrogen gas with a volume of 17383 mL…

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Q: Hydrogen gas is collected over water at an air pressure of 99.6 kPa and 25.0°C. What is the partial…

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Q: A gas made up of homonuclear diatomic molecules escapes through a pinhole  0.918  times as fast as…

A: Given,A gas made up of homo nuclear diatomic molecules escapes through a pinhole 0.918 times as fast…

Q: A sample of Br2(g) takes 16.0 min to effuse through a membrane. How long would it take the same…

A: Given: Time taken by Br2 to effuse = 16.0 min Number of moles of Br2= number of moles of Ar Time…

Q: At a given temperature and pressure, Helium takes 4.98 minutes for a 1.5 L sample to effuse through…

A: Graham`s law of diffusion: the rate of effusion of a gas is inversely proportional to the square…

Q: Given that 3.75 moles of carbon monoxide gas are present in a container of volume 15.30 L, what is…

A: Given, number of moles, n = 3.75 moles Volume of CO, V = 15.30 L Temperature of CO, T = 89°C = 273 +…

Q: What volume in liters of fluorine gas is needed to form 381 L of sulfur hexafluoride gas if the…

A: Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume,…

Q: What pressure is exerted by a sample of nitrogen gas of mass 3.055 g in a container of volume 3.00…

A: Number of moles of the substance is equal to the ratio of mass to the molar mass of the substance.…

Q: A sample of Br2 (g) takes 26.0 min to effuse through a membrane.  How long would it take the same…

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Q: An industrial firm supplies compressed air cylinders of volume 0.25 m3 filled to a pressure of…

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Q: The critical constants of methane are pc = 45.6 atm, Vc = 98.7 cm3 mol−1, and Tc = 190.6 K.…

A: Given: pc= 45.6 atmVc= 98.7 cm3 mol-1Tc=190.6K To find: Radius of the molecule

Q: A 1.90 g sample of elemental lithium,Li(s) is reacted with water, yielding lithium hydroxide, LIOH,…

A: The balanced reaction given is, => Given: Mass of Li reacting = 1.90 g. Temperature at which the…

Q: The ratio of effusion of helium to another noble gas element is 3.16:1.00. What is the other element

A: Noble gases are the elements of group 18. Group 18 contain sevent elements helium, neon, argon,…

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: molecular form

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Q: An x-ray tube at 25 degrees celcius is evacuated to a pressure of 1.0 x10-4 kPa. How many molecules…

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Q: A 0.0500-g sample of magnesium is reacted with 25 mL of 3.0 M sulfuric acid as described in the…

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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.