Table of Contents
- 1 What happens when you increase the temperature of a gas in a container?
- 2 What happens to the volume in a flexible container as temperature is increased?
- 3 How will the temperature change if you increase the mass of the molecules in a gas?
- 4 What gas variable is affected by the type of container flexible versus non flexible and how does that variable change?
- 5 Why the volume of a gas in a flexible container increases when temperature increases if the pressure remains constant?
- 6 When temperature increases what happens to volume?
- 7 What happens to the pressure if the container is flexible?
- 8 How does temperature affect pressure in a gas?
What happens when you increase the temperature of a gas in a container?
The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is directly proportional to its pressure. This can be easily understood by visualising the particles of gas in the container moving with a greater energy when the temperature is increased.
What happens to a flexible container of gas when it is heated?
When gases in containers are heated, their molecules increase in average speed. The gas is therefore under greater pressure when its temperature is higher. This is why fires near sealed gas cylinders are extremely dangerous. If the cylinders heat up enough, their pressure will increase and they will explode.
What happens to the volume in a flexible container as temperature is increased?
Explain the relationship between gas pressure and the volume of a flexible container. They are inversely related as Pressure increases the volume decreases and as Pressure decreases the volume increases. As temperature goes up the molecules move more and collide with the surface more, increasing the pressure.
How does heat affect the volume of a gas in a flexible container?
As a container of confined gas is heated, its molecules increase in kinetic energy and push the movable piston outward, resulting in an increase in volume.
How will the temperature change if you increase the mass of the molecules in a gas?
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. We can sense that one gas is hotter than another gas and therefore has a higher temperature.
When the temperature of a gas is increased within a closed container pressure increases due to which of the following?
Figure 1. (a) When gas temperature increases, gas pressure increases due to increased force and frequency of molecular collisions.
What gas variable is affected by the type of container flexible versus non flexible and how does that variable change?
Pressure is caused by molecules hitting the sides of a container or other objects. The pressure changes when the molecules change how often or how hard they hit. A nonflexible container is needed if the gas sample is going to have an internal pressure that is different from the external pressure.
How does an increase in temperature affect the collisions of gas particles?
If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. If the volume is held constant, the increased speed of the gas molecules results in more frequent and more forceful collisions with the walls of the container, therefore increasing the pressure (Figure 1).
Why the volume of a gas in a flexible container increases when temperature increases if the pressure remains constant?
As temperature increases, the molecules of the gas have more kinetic energy. They strike the surface of the container with more force. If the container can expand, then the volume increases until the pressure returns to its original value.
What happens to the volume of a flexible container of gas as temperature is decreased?
If the amount of gas in a container is decreased, the volume decreases. This is assuming of course that the container has expandible walls. Gay Lussac’s Law – states that the pressure of a given amount of gas held at constant volume is directly proportional to the Kelvin temperature.
When temperature increases what happens to volume?
The volume of the gas increases as the temperature increases. As temperature increases, the molecules of the gas have more kinetic energy. They strike the surface of the container with more force. If the container can expand, then the volume increases until the pressure returns to its original value.
How does temperature affect mass of gas?
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. You can explore the effects of temperature on the pressure of a gas at the animated gas lab.
What happens to the pressure if the container is flexible?
I will assume that the gas follows the ideal gas law. where P is the pressure, V is the volume, n is the number of molecules, R is a constant, and T is temperature. If the container is flexible, nothing will decrease the pressure, because the container will adjust its volume to keep the pressure constant.
What happens to the volume of a gas cylinder as temperature increases?
As these gas molecules become more energetic, they will bounce off the walls of the cylinder and piston, moving the piston up. As the piston moves up, the space (volume) occupied by the gas molecules inside the cylinder increases. In short, we say that as temperature increase, the volume occupied by the gas molecules increase as well.
How does temperature affect pressure in a gas?
Pressure of a gas is caused by the gas particles colliding with the walls of its container. Simply put, because there is not a change in the volume, the temperature increase causes more collisions with the walls per unit time (as temperature increases, the average kinetic energy and thus the speed of the gas particles increases).
What happens when the temperature inside the container decreases?
When the temperature inside the container decreases the kinetic energy will also decrease. This means that the molecules inside the container will slow down and have less energy. With less energy the molecules will hit with less force creating less pressure. NickTheTurtle · Ernest Z.