Question

A graph with vertical axis Temperature and horizontal axis Average Kinetic Energy has a line, which slopes steeply upward.
Joshua is preparing a report to show the relationship between average kinetic energy and temperature

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

• Any consideration of the properties of a collection of particles such as molecules requires knowledge of their energy. Part of this energy is kinetic energy, the energy of motion. The kinetic energy (KE) of an object is determined by the equation

KE = 1

• 2 mv2 where m = mass, v = velocity
• This equation states that the kinetic energy of an object is dependent on both its mass and its velocity. A semitrailer truck and a subcompact car traveling at the same velocity have different kinetic energies. You would be aware of this difference if they crashed, for the truck would demolish the subcompact. For the two vehicles to have the same kinetic energy, the subcompact would have to be traveling at a much higher velocity than the truck.

• A. The Distribution of Kinetic Energy
• In a collection of molecules, each molecule has a kinetic energy that can be calculated by the equation given above. Even if the molecules have a constant mass, they differ in velocity, so that a collection of molecules will have a wide range of kinetic energies, from very low to very high. Each molecule may change its kinetic energy often, but the overall distribution will remain the same.

• Figure 9.3 shows a typical distribution of kinetic energies in a collection of molecules. In the graph, kinetic energy is plotted along the horizontal axis, and the percent of molecules having a particular kinetic energy is shown by the height of the curve at that point

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