Each of the scenarios below describes a change in the pressure inside of (Pin) a

Question

Each of the scenarios below describes a change in the pressure inside of (Pin) and outside of (Pout) a balloon. Drag the icons from the bank below to label each scenario with the change in the volume of the balloon.

Change in pressure Pin increases, P decreases Pin increases, Pconstant Change in volume P. increases, P increases Legend P constant, P increases Need more information Balloon volume decreases J Balloon volume increases t P constant, P decreases P decreases, P P. decreases, P constant increases P decreases, Pdecrea ses

Explanation / Answer

1.      Pin increases, Pout decrease - Volume increases

2.      Pin increases, Pout constant - Volume increases

3.      Pin increases, Pout increase - More Info Needed

4.      Pin constant, Pout increase - Volume decrease

5.      Pin constant, Pout decrease - Volume increase

6.      Pin decrease, Pout increase - Volume decrease

7.      Pin decrease, Pout constant - Volume decrease

8.      Pin decrease, Pout decrease - More Info needed

Explanation:

1.      Pin increases, Pout decrease - Volume increases

a.      If the pressure inside the balloon increases, then the balloon will expand (larger volume).

The pressure outside of the balloon decreasing will also cause the balloon to expand (increased volume)

2.      Pin increases, Pout constant - Volume increases

a.      If the pressure inside the balloon increases, then the balloon will expand (larger volume). The constant pressure outside of the balloon will make it so that the balloon doesn't increase in volume as much as the first, but it should still increase in volume.

3.      Pin increases, Pout increase - More Info Needed

a.      For this problem, we would need to know how much the pressure changed in each place. If we knew that the pressure change in each place was equal, then we could say that the volume would remain the same, but we do not know any quantities, so we cannot answer this question without more info.

4.      Pin constant, Pout increase - Volume decrease

a.      The increased pressure on the outside of the balloon should cause the balloon to decrease in volume.

5.      Pin constant, Pout decrease - Volume increase

a.      The decreased pressure on the outside of the balloon should cause the balloon to increase in volume.

6.      Pin decrease, Pout increase - Volume decrease

a.      The decreased volume along with the increased outside volume should cause the balloon's volume to decrease.

7.      Pin decrease, Pout constant - Volume decrease

a.      The decreased pressure inside of the balloon should cause it to decrease in volume, although not as much as the last answer.

8.      Pin decrease, Pout decrease - More Info needed

a.      This is another question where we would need to know a quantity of pressure lost in each place. If it were equal, then there would be no change in the balloon's volume, but we do not know which decrease is larger or if they are of equal amounts, so we cannot properly answer this question

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