Question

a) Explain how the particles of air inside the balloon create pressure
b) The air in the balloon is heated up by leaving it in warm place. Gice two effects that this has on the air particles
c) Describe one way in which the ballon changes when it is left in a warm place

Answer 1

Answer:

Explanation:

1.particles of air create pressure by colliding with the walls of balloon.

2.Kinetic energy of air particles increases. Pressure exerted by molecules increases

3.when the balloon is left in a warm place it’s size increases.

Answer 2

Answer: a) Gas pressure creates pressure inside the balloon.

b) two effects on air molecules: 1) air molecules move faster 2)kinetic energy of air molecules will change

c) The balloon will burst if it will kept in warm place.

Explanation:

a) In the balloon, the air particles produces gas pressure. Gas pressure is produced due to collision of gas particlices with the inner wall of balloon. The collision keeps the balloon inflated.

b) If the air in balloon is heated up there will be following effects on the air particles:

1. Due to increase in the temperature the gas molecule starts moving very fast that increase it's collision with inner wall of ballon and expands the size of balloon.
2. The kinetic energy of air molecules will change with the increase in temperature.

c) As we discussed, if balloon is left in a warm place the balloon will burst after some time. As, in warm temerature the temperature outside the balloon will become high then inside the balloon. Due to high temperature   the kinetic energy will increase that allows the pressure inside the balloon will also increase which continues the expansion of balloon size. After a certain time the balloon will burst.  

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