Question

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a.)The gas molecules excert a pressure on the inside of the cylinder How do they do this?
ans:???
b.)Butane cylinders are kept outside the caravans, when the air temperature rises in the summers. what will happen to the pressure inside the cylinder and why will it change?
Ans:???​

Answer 1

Answer:

• The molecules are continually colliding with each other and with the walls of the container. When a molecule collides with the wall, they exert small force in the wall .The pressure exerted by the gas is due to sum of all these collision, the higher the pressure.

If a Gas is heated up ,it's particles move around more quickly .They hit the walls of their container harder and more often .This increases the pressure. Sometimes the pressure get so great that the container bursts.

• The temperature of gas is proportional to the average kinetic energy of its molecule .Faster moving particles will collide with the container walls more frequently and with greater force .This causes the force in the walls of the container to increase and so the pressure increases.

When change the temperature ,of the air inside the container, the pressure of the air inside the bottle is change .If volume of the air is constant and heat it, the pressure of the air increases ,if the air is cooled ,the pressure decreases.

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Answer 2

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The collision of the particles with the walls of the vessels give rise to the pressure of the gas.