Table of Contents
- 1 Do gases have gravitational potential energy?
- 2 How does gravitational potential energy affect kinetic energy?
- 3 Which of the following statement does not agree with the kinetic molecular theory of gases?
- 4 What factors that affect kinetic energy?
- 5 What is the relationship between pressure and temperature of a gas?
- 6 How is average kinetic energy related to Kelvin temperature?
Do gases have gravitational potential energy?
He seems to be suggesting that, because internal energy of a gas should include gravitational potential energy (GPE), gas temperature should be related to gravitational potential (not just kinetic energy of the molecules).
How does gravitational potential energy affect kinetic energy?
Potential energy can transfer into other forms of energy like kinetic energy. A ball held in the air, for example, has gravitational potential energy. If released, as the ball moves faster and faster toward the ground, the force of gravity will transfer the potential energy to kinetic energy.
How does the kinetic theory of gas related with the Newton’s Law to explain the pressure exerted by the gas to the wall of container?
Figure 1 shows an elastic collision of a gas molecule with the wall of a container, so that it exerts a force on the wall (by Newton’s third law). These collisions are the source of pressure in a gas. As the number of molecules increases, the number of collisions and thus the pressure increase.
Why do gases not have potential energy?
The molecules of the gas are point particles that do not interact with each other. So it does not take energy for the molecules of an ideal gas to separate from each other. This means that the internal energy consists only of kinetic energy (no potential energy).
Which of the following statement does not agree with the kinetic molecular theory of gases?
The following statement is not part of the kinetic molecular theory : Attractive and repulsive forces are present between gas molecule. According to the kinetic molecular theory, there is no attractive (or repulsive) force between the molecules, as they move independent of each other.
What factors that affect kinetic energy?
1. Explain that there are two factors that affect how much kinetic energy a moving object will have: mass and speed. Have students complete this demonstration to learn how mass influences an object’s kinetic energy.
What is the kinetic theory of gases?
The model, called the kinetic theory of gases, assumes that the molecules are very small relative to the distance between molecules. The molecules are in constant, random motion and frequently collide with each other and with the walls of any container.
Do all gaseous molecules have the same kinetic energy?
The average kinetic energy of the molecules of any gas depends on only the temperature, and at a given temperature, all gaseous molecules have exactly the same average kinetic energy.
What is the relationship between pressure and temperature of a gas?
The pressure of a gas is a measure of the linear momentum of the molecules. As the gas molecules collide with the walls of a container, the molecules impart momentum to the walls, producing a force that can be measured. The force divided by the area is defined to be the pressure. The temperature of a gas is a measure of the mean kinetic energy…
The average kinetic energy of the gas molecules is proportional to the kelvin temperature of the gas. The test of the KMT and its postulates is its ability to explain and describe the behavior of a gas.