This figure (Figure 1) shows a container that is sealed at the top by a movable piston. Inside the container is an ideal gas at 1.00 atm, 20.0 °C, and 1.00 L. This Part A information will apply to the first three parts of this What will the pressure inside the container become if the piston is moved to the 2.20 L mark while the temperature of the gas is kept constant? problem. Express your answer with the appropriate units. • View Available Hint(s) ? P = Value Units Figure 1 of 1 Part B The gas sample has now returned to its original state of 1.00 atm, 20.0 °C, and 1.00 L. What will the pressure become if the temperature of the gas is raised to 200.0 °C and the piston is not allowed to move? -2L Express your answer with the appropriate units. piston container • View Available Hint(s) F1L HÀ ? ideal gas sample P = Value Units

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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.