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Discussion Question - Provide a real-life examples, definitions and numerical calculations and relationship of variables involved in the gas laws that you have learned in this chapter 1. Boyles AND 2. Charles

Answer 1

Boyels law - pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.

real life example

1 - you have filled a tire with air (compressed) . As you put more and more air into the tire, you are forcing all the gas molecules to get packed together, reducing their volume and increasing the pressure pushing on the walls of the tire. As long as the air temperature remains the same, you are experiencing a real life example of this law.

2 - spray paint- when the nozzle of a spray paint can goes down, the seal is broken and the propellant instantly boils, expands into a gas, and pushes down on the paint. Under the high pressure, the paint is forced out of the nozzle as it attempts to reach an area with lower pressure.(good example of boyels law)

3 - the syringe - When you pull the plunger out on a syringe, it causes the volume within the chamber to increase. As we know, this causes the pressure to do the opposite, which then creates a vacuum. When a syringe is empty, the vacuum within the chamber sucks fluid in through the needle.

4 - popping of a ballon also follow boyels law.

5 Death of deep sea creatures due to change in pressure.

Charles law - volume of an ideal gas at constant pressure is direactly propotional to the absolute temperature

Real life examples

1) the ping pong balls -.When a ping-pong ball gets dented without being punctured, the best solution is to dip it for a while in warm water. Since the air inside the ball tries to match the temperature of the water outside, pressure builds up as a result, popping the dented part back into place. This shows how an increase in temperature caused a proportional increase in pressure according to Charles Law.

2) soda cans-these cans have a lot artificial pressure stored in them, is when exposed to direct sunlight or heat, the pressure inside the cans rise. However, since the volume is constant, the pressure increases to a limit where they burst, letting out all the pressure. The temperature increase in the can resulted in the increase in pressure, resulting in the explosion.

3) in winters tires are getting flatter even if there is no puncture mark on it. This happened because if the weather gets colder, the air in your bike tires will shrink in volume and they will go flat.

this obey charles law

4) hot aie ballons -when flying-hot air balloons, balloonists apply the principle of Charles' law. As the air inside the balloon is heated, its volume increases. The density of the air decreases as the air inside the balloon is heated; it expands, resulting in an increase in density of the air inside the balloon. The density of hot air is less than of cold air. The difference in density between the air inside and outside the balloon makes the hot-air balloon rise.

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