What are the 6 postulates of the kinetic molecular theory?

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What are the 6 postulates of the kinetic molecular theory?

The five main postulates of the KMT are as follows: (1) the particles in a gas are in constant, random motion, (2) the combined volume of the particles is negligible, (3) the particles exert no forces on one another, (4) any collisions between the particles are completely elastic, and (5) the average kinetic energy of …

What are main postulates?

The main postulates of Dalton’s atomic theory are: The matter is made up of indivisible particles known as atoms. Atoms of an element are identical in mass, size and many other chemical or physical properties, but atoms of two-different elements differ in mass, size, and many other chemical or physical properties.

How many gas laws are there?

The gas laws consist of three primary laws: Charles’ Law, Boyle’s Law and Avogadro’s Law (all of which will later combine into the General Gas Equation and Ideal Gas Law).

What is gas theory?

GAS is the three-stage process that describes the physiological changes the body goes through when under stress. Hans Selye , a medical doctor and researcher, came up with the theory of GAS. Selye identified these stages as alarm, resistance, and exhaustion.

What are Dalton’s postulates?

A theory of chemical combination, first stated by John Dalton in 1803. It involves the following postulates: (1) Elements consist of indivisible small particles (atoms). (2) All atoms of the same element are identical; different elements have different types of atom. (3) Atoms can neither be created nor destroyed.

What are main postulates of Bohr’s theory?

Bohr’s model of the hydrogen atom is based on three postulates: (1) an electron moves around the nucleus in a circular orbit, (2) an electron’s angular momentum in the orbit is quantized, and (3) the change in an electron’s energy as it makes a quantum jump from one orbit to another is always accompanied by the …

Is air an ideal gas?

Many gases such as nitrogen, oxygen, hydrogen, noble gases, some heavier gases like carbon dioxide and mixtures such as air, can be treated as ideal gases within reasonable tolerances over a considerable parameter range around standard temperature and pressure.

What are the postulates of the kinetic theory of gases?

The microscopic theory of gas behavior based on molecular motion is called the kinetic theory of gases. Its basic postulates are listed in Table 1: TABLE 9.13. 1 Postulates of the Kinetic Theory of Gases. 1 The molecules in a gas are small and very far apart.

How are the physical properties of a gas defined?

With the help of the kinetic theory of gases, the physical properties of any gas can be defined generally in terms of three measurable macroscopic properties. The pressure, volume and temperature of the container where the gas is stored or present. We will learn about this concept in detail below. What is Kinetic Theory of Gases?

When do gas molecules obey the ideal gas laws?

All the gas molecules obey the ideal gas laws only under special conditions of low pressures and high temperatures. The deviations of the real gases, from the ideal gas behaviour, is traced to mainly to wrong or incorrect assumptions in the postulates.

What are the deviations from the ideal gas behaviour?

The deviations of the real gases, from the ideal gas behaviour, is traced to mainly to wrong or incorrect assumptions in the postulates. The particles are point charges and have no volume: Then, it should be possible to compress the gases to zero volume.

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