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Imagine you fill a balloon with air to a volume of 240 $\mathrm{mL}$ . Initially, the air temperature is $25^{\circ} \mathrm{C}$ and the air pressure is 1.0 atm. You carry the balloon with you up a mountain where the air pressure is 0.75 atm and the temperature is $25^{\circ} \mathrm{C}$ .a. When the balloon is carried up the mountain, what changes? What stays the same?b. The air pressure on the outside of the balloon has decreased. Can the air pressure on the inside decrease so that the pressures are equal? Why or why not?c. What happens to the volume occupied by the air inside the balloon? Explain your thinking.d. Solve for the new volume of the balloon.

(a) A balloon is a flexible container. It means that a balloon can alter it's volume according to the changes in other parameters like Pressure, temperature etc. so that the gas Laws are obeyed.

Now, the outside air pressure decreases as the balloon floats higher up in the air (assuming constant temperature). The outside air pressure is pushing on the balloon less than it was when the balloon was at sea level. Therefore, the balloon will expand since there is less pressure being applied on it. Thus it's Volume changes.

Also, as it is given that the Temperature at both altitudes is 25 °C, we can conclude that the Temperature also has remained constant. Similarly, the no of moles of gas in the balloon also remain constant, as air is neither pushed in nor out of the balloon.

Answer :Quantities that will change :1. Pressure2. Volume

Quantities that don't change :1. Temperature2. No of moles of gas

(b) Yes, the air pressure will decrease.(c) the balloon will expand since there is less pressure being applied on it from outside. Thus it's Volume will increase.(d) The new volume of the balloon is 320 ml

Chemistry 101

Chapter 11

Pressing Matter

Section 4

Gay-Lussac’s Law

Intro to Chemistry

Composition

Julie M.

March 2, 2022

Solve for the new volume of the balloon. Remember, you filled a balloon with air to a volume of 240 mL. Initially, the air temperature is 25 °C and the air pressure is 1.0 atm. You carry the balloon with you up a mountain where the air pressure is 0.75 at

Xeo H.

March 15, 2022

Draw a molecular view of carbon dioxide gas

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This is problem for from Chapter 11 section for and we have this balloon that is filled with 240 million years and the temperature is 25 degrees Celsius to start with and the pressure is on one atmos. Good pressure. Then we carry this boon of a mountain when the pressure and the pressure drops 2.75 atmosphere pressure, but the temperature still remains at 25 degrees Celsius, so a is asking what changes. So if temperature is staying the same, we can bet that this is a pressure and volume relationship. So pressure and volume or going to change and get temperature in the number of Mali Krul's are going to stay the same. So be is asking if if air pressure is going to decrease now. Air pressure did decrease because we saw that when you went up the mountain, it dropped from one 2.75 See is asking what happens to the value, so see we'll have an increase in volume since we have a decrease in pressure to the volume in the balloon will expand due to less pressure on the outside. So he is a calculation and we're trying to find the new volume. So we're gonna use this equation. P one times of the one is equal to okay to times. Me too. So we're trying to find me too. So we have p one of 1.0, a t m times the volume one, which is 200 and 40. You know, as it's gonna be equal to the new P two, which is 20.75 and we don't know the to is someone put X here. So when you multiply p one of the one together, you still get to 40 and still be equal 2.75 a t 10. So when your song for eggs divide to 40 by 0.752 X should be equal to 300 and 20. And so this is the new volume when going up the mountain

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