![]() ![]() \ Work done by the system on the surroundings \ Heat supplied to the system by the surroundings As $V_\] (Constant Volume)Īlso, the area under the P-V diagram provides us the work done by a gas. ![]() When a gas is heated, the root mean square velocity of its molecules increases. Explain it on the basis of kinetic theory of gases.Īns. What a gas is heated, its temperature increases. Consequently, the air pressure in the tyres increases slightly.Ĥ. The temperature of air inside the tyres increases. Due to the friction between the tyres and the road, the tyres get heated. When an automobile travels for a long distance, the air pressure in the tyres increases slightly. Hence the real gases show large deviations from deal gas behaviour.ģ. Moreover, the volume occupied by the gas molecules cannot be neglected in compariAnsn to the volume of the gas. the intermolecular attractions become appreciable. Why do the gases at low temperature and high pressure show large deviations from ideal behavior?Īns. (ii) There is no force of attraction or repulsion amongst its molecules.Ģ. Its main characteristics are (i) The size of the molecules is negligibly small. An ideal gas is one which obeys the gas laws at all values of temperature and pressure. What is an ideal gas? Give its main characteristics.Īns.
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