A 1.0 dm3 glass bulb contains 1.0 x 1023 H2 molecules. If the pressure exerted by the gas is 100 kPa. what is (a) the temperature of the gas, (b) the root mean square speeds of the molecules? (c) Would the temperature be different if they were O2 molecules?

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A: Root mean square speed of gas molecules can be calculate from the following formula

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A: Given: Volume of the cylinder=1.00L Number of moles= 1 mol Temperature= 25°C=298K

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Q: ) (a) What is the volume of one mole of hydrogen gas at 273 K and 760 torr? (b) What is the volume…

A: Temperature = T = 273 KPressure = 760 torrNo of moles of gas (Nitrogen) = 1Volume = to be determined…

Q: For H2 molecules at 25 °C, Calculate the (a) the mean speed, (b) root mean square speed (c) most…

A: To solve this problem will using the formula

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

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

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A:

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Q: A sample of 4.72 mol of krypton is confined at low pressure in a volume at a temperature of 68 °C.…

A: Number of mol of Krypton (initial) = 4.72 mol Temperature = 680C Root-mean square speed formula is

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A:

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Q: What is the the root-mean-square speed of H2 molecules at 15.4 oC?

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Q: A 1.00 L rigid cylinder contains one mole of neon gas at 25 °C. Calculate the pressure using (a) the…

A: b).

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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.