Arsenic(III) sulfide sublimes readily, even below its melting point of 320 °C. The molecules of the vapor phase are found to effuse through a tiny hole at 0.28 times the rate of effusion of Ar atoms under the same conditions of temperature and pressure. What is the molecular formula of arsenic(III) sulfide in the gas phase?

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Q: pressure

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

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Q: A sample of argon measuring 3.00 L at 27.0°C and 765 torr was bubbled through and collected over…

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Q: The noble metal oxide, Rhodium (III) oxide, decomposes to form oxygen. If 651.4 mL of oxygen is…

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Q: A 3.64 gram sample of an unknown gas is found to occupy a volume of 1.46 L at a pressure of 783 mm…

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Q: the pressure of Penguinite gas (MM = 85.1 g/mol) is measured to 800. torr at 35 ° calculate its…

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Q: A quantity of O2 weighing 15.58 g and excess solid C are sealed in a container of volume 5.25 L The…

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

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Q: Two of the most abundant noble gases in the Earth's atmosphere are Argon and Neon. Calculate 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.