Question

which physical property of molecules of gas gives a measure of temperature?

Answer 1

The temperature of a gas is a measure of the average translational kinetic energy of the molecules. In a hot gas, the molecules move faster than in a cold gas; the mass remains the same, but the kinetic energy, and hence the temperature, is greater because of the increased velocity of the molecules.

Answer:

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Answer 2

Answer:

Average translational kinetic energy

Explanation:

Kinetic energy is energy that is determined by the speed of movement of various points belonging to the system. It is this energy, which is essential to distinguish between transnational movement and the characteristic of rotational motion. At the same time, the average kinetic energy - the average difference between the total energy of the system as a whole and its rest energy, is, in fact, the average of its value potential energy.

Something different is the case with solids. In these substances, the average kinetic energy of all particles is too small to overcome the forces of molecular attraction, but because it is only a fixed point, which can conventionally move some of a particle over a long period of time. Captures the state of equilibrium. These properties can be sufficiently stable in solid shape and volume.

All these decisions we have given with the intention show that they are valid for all kinds of aggregation states of matter - any of these acts as salient features of temperature, reflecting the mobility and intensity of thermal motion of elements Is. And this is the essence of the molecular kinetic theory and the content of the concept of solar equilibrium

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