Table of Contents
When the temperature of a gas is increased at constant volume What is the pressure?
The pressure of the gas is increased by increasing the temperature at constant volume. The average velocity of the molecules is increased by a factor of 2.
When the temperature of a gas increases and the volume is fixed what happens to the gas pressure?
At constant or fixed volume, an increase in temperature of the gas causes its pressure to increase. This happens because the particles inside the container start to move faster when they are heated. In turn, the collision of the particles within the walls of the container leads to a greater pressure.
What happens to temperature when volume increases?
These examples of the effect of temperature on the volume of a given amount of a confined gas at constant pressure are true in general: The volume increases as the temperature increases, and decreases as the temperature decreases. If the temperature is in kelvin, volume and temperature are directly proportional.
Why does increasing the volume of a given amount of gas at constant temperature cause the pressure to decrease?
Increasing the volume of a gas at constant temperature causes the pressure to decrease because of their inverse relationship.
Which of the following explains why the volume of a gas increases when the temperature increases and the pressure remains constant?
According to the kinetic theory gas particles are attracted to each other. Pressure is caused by the collision of gas particles. When the volume is decreased, pressure increases if the temperature is kept constant. Gas particles are always in constant random motion.
What happens to gas when volume increases?
If the amount of gas in a container is increased, the volume increases. If the amount of gas in a container is decreased, the volume decreases. This is assuming of course that the container has expandible walls. If you heat a gas you give the molecules more energy so they move faster.