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What happens to the entropy of a gas when it expands into a vacuum?
When a gas expands into a vacuum, the entropy of the gas increases. This is because the gas molecules have more freedom to move around and occupy a larger volume, leading to a more disordered state and higher entropy.
What happens to air as it expands?
As air expands, it cools down due to a decrease in pressure. This cooling effect is due to the gas molecules moving further apart and losing energy. Consequently, the temperature of the air decreases as it expands.
What happens to gas in a balloon when that gas is heated?
When the gas in a balloon is heated, its temperature increases, causing the gas molecules to move faster and collide more frequently with the walls of the balloon. This increases the pressure inside the balloon, which causes the balloon to expand as it attempts to accommodate the increased volume of gas.
Why a gas cools when it expands at high pressure?
When a gas expands at high pressure, it does work on its surroundings to overcome the external pressure. This work done by the gas results in a decrease in its internal energy, leading to a decrease in temperature as per the first law of thermodynamics. So, the gas cools down as it expands at high pressure.
When the gas in a balloon is heated the balloon expands what are the correct signs of heat and work for this change?
When the gas in a balloon is heated and the balloon expands, the correct signs for heat and work are: the heat absorbed by the gas is positive (+Q) and the work done by the gas is also positive (+W). This is because the gas is gaining energy (heat) from its surroundings, and it is doing work on the balloon by pushing against the walls as it expands.
What happens to a balloon when the gas in it increases?
It expands.
What happens to the internal energy of a gas when it expands?
When a gas expands, its internal energy typically increases. This is because the gas is doing work on its surroundings as it expands, which results in an increase in its internal energy.
What happens when gas is heated?
it expands and/or its pressure rises, depending on conditions.
What happens to the entropy of a gas when it expands into a vacuum?
When a gas expands into a vacuum, the entropy of the gas increases. This is because the gas molecules have more freedom to move around and occupy a larger volume, leading to a more disordered state and higher entropy.
What happens to pressure when gas expands?
If the gas is contained at a constant volume, the pressure increases. If the gas is not contained, the pressure remains the same or drops.
What happens to the particles ina gas went they are heated?
The particles start moving faster and the matter expands.
What happens to the volume of a gas when its temperature is raised and its pressure is cept constant?
Expands because there's more energy for movement.
What results from increasing the temperature of a gas?
The gas expands.
What happens to air as it expands?
As air expands, it cools down due to a decrease in pressure. This cooling effect is due to the gas molecules moving further apart and losing energy. Consequently, the temperature of the air decreases as it expands.
When happens to the density of a gas if it expands to a large volume?
Since density ( p or rho) is m/Vas V increases density decreases.
What happens to your chest when you breathe?
It expands
What happens to gas if it is not in a container?
If gas is not in a container, it will expand to fill the space available to it. The gas particles will spread out in all directions until they encounter a barrier or become so diffuse that they merge with the surrounding air.
