Which process can be explained by the kinetic molecular theory

Which process can be explained by the kinetic-molecular theory?

which process can be explained by the kinetic molecular theory

The Kinetic Molecular Theory (Animation)

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The Kinetic Molecular Theory provides a microscopic picture to understand macroscopic properties of matter in different phases and lays the ground for the Kinetic Theory of Gases. The Kinetic Molecular Theory assumes that molecules are in constant motion proportional to their kinetic energy which is dependent on their Become a Study. Try it risk-free for 30 days. Watch 5 minute video clips, get step by step explanations, take practice quizzes and tests to master any topic. I love the way expert tutors clearly explains the answers to my homework questions.

Kinetic Molecular Theory explains the macroscopic properties of gases and can be used to understand and explain the gas laws. By the late 19th century, scientists had begun accepting the atomic theory of matter started relating it to individual molecules. The Kinetic Molecular Theory of Gases comes from observations that scientists made about gases to explain their macroscopic properties. The following are the basic assumptions of the Kinetic Molecular Theory:. This can be written as:. According to Kinetic Molecular Theory, an increase in temperature will increase the average kinetic energy of the molecules. As the particles move faster, they will likely hit the edge of the container more often.

We may now characterize the 3 different phases of matter , as well as explain phase changes and even other physical and chemical properties, in terms of these particle model premises. In solids , the particles remain in fixed positions in their crystal lattice structure and only vibrate randomly. The spaces between the particles are very small. Consequently, the forces of attraction and repulsion between the particles are very large, since these forces decrease in the inverse square relationship with distance between particles. In liquids , there are larger spaces between particles and the particles move freely. Forces between particles are weaker.

It did not take long to recognize that gases all shared certain physical behaviours, suggesting that gases could be described by one all-encompassing theory. It is based on the following concepts:. Figure 6. The kinetic molecular theory of gases describes this state of matter as composed of tiny particles in constant motion with a lot of distance between the particles. Because most of the volume occupied by a gas is empty space, a gas has a low density and can expand or contract under the appropriate influence.

The Kinetic Molecular Theory Postulates. The experimental observations about the behavior of gases discussed so far can be explained with a simple theoretical model known as the kinetic molecular theory. This theory is based on the following postulates, or assumptions. Gases are composed of a large number of particles that behave like hard, spherical objects in a state of constant, random motion. These particles move in a straight line until they collide with another particle or the walls of the container. These particles are much smaller than the distance between particles.



How would you explain the kinetic molecular theory for gases, liquids, and solids?

Kinetic Molecular Theory of Gases

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5 COMMENTS

  1. Medoro B. says:

    forces between molecules. the kinetic molecular theory explains the behavior of. solids liquids and gasses. what process can be explained by the kinetic.

  2. Sumner R. says:

    Kinetic Molecular Theory and Gas Laws

  3. Taylor D. says:

    Kinetic Molecular Theory of Gases Introductory Chemistry 1st Canadian Edition

  4. Minie675 says:







  5. Cadelaria A. says:

    How would you explain the kinetic molecular theory for gases, liquids, and solids? | Socratic

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