According to kinetic theory of gas what do you mean by pressure of a gas? Using
the kinetic gas equation deduce the relation Ek RT 2
3 where Ek is total kinetic
energy of one mole of gas, R is gas constant and T is temperature.
Answers
Answer:
The pressure of a gas is a measure of the linear momentum of the molecules. As the gas molecules collide with the walls of a container, the molecules impart momentum to the walls, producing a force that can be measured. The force divided by the area is defined to be the pressure.
Answer:
From the equation (9.12), we can state that the pressure of the gas is equal to two thirds of internal energy per unit volume or internal energy density (u=U/V). From the equation (9.14), pressure is equal to 2/3 of mean kinetic energy per unit volume.Sep 12, 2018Gases consist of particles (molecules or atoms) that are in constant random motion. ... The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases at the same temperature have the same average kinetic energy.The simplest kinetic model is based on the assumptions that: (1) the gas is composed of a large number of identical molecules moving in random directions, separated by distances that are large compared with their size; (2) the molecules undergo perfectly elastic collisions (no energy loss) with each other and with the ...The internal energy of an ideal gas
The result above says that the average translational kinetic energy of a molecule in an ideal gas is 3/2 kT. For a gas made up of single atoms (the gas is monatomic, in other words), the translational kinetic energy is also the total internal energy.Jan 12, 1999The model, called the kinetic theory of gases, assumes that the molecules are very small relative to the distance between molecules. The molecules are in constant, random motion and frequently collide with each other and with the walls of any container. ... The higher the temperature, the greater the motion.Particles at the same temperature have the same average kinetic energy, so argon and nitrogen, which are at 20°C , are the gases with the lowest average kinetic energy. Nitrogen and helium, at 100°C , have the highest average kinetic energy because they have the highest temperature.Mar 11, 2018
Since particles in motion have kinetic energy, and kinetic energy increases with speed, there is a relationship between the RMS speed of gas molecules and the average kinetic energy in the gas. ... The average kinetic energy (K) is equal to one half of the mass (m) of each gas molecule times the RMS speed (vrms) squared.
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