Recall the balloon race demo. a. Imagine the pink balloon is filled with 2.0 L o
ID: 499979 • Letter: R
Question
Recall the balloon race demo. a. Imagine the pink balloon is filled with 2.0 L of dry Argon gas, while the yellow balloon is filled with 1.0 L of the same gas, at the same temperature. After the stopcock is opened, which balloon will lose half of its content more quickly? Why? b. Now instead, imagine to have two balloons inflated with 1.0 mol of helium each. One is placed in liquid nitrogen, while the other is at room temperature. Which one will lose half of its content more quickly? Why? c. Finally, let's consider the scenario in which the pink balloon contains 5.0 mol of Helium, while the yellow balloon contains 0.1 mol of Xenon. Which one will lose half of its content more quickly?Explanation / Answer
7 a) Same gas is filled in both the balloons but volumes are different. Pink balloon has to lose 1L of argon
gas while yellow one should lose 0.5L of argon gas. IHence, it would take less time for yellow balloon to lose
half of its content.
b) When balloon is immersed in liquid nitrogen, the balloon can feel pressure from all sides and and the He gas
inside the balloon gets compressed and hence they escape rapidly. Therefore balloon placed in liquid
nitrogen will lose half of its content more quickly.
c) Yellow balloon with 0.1 mol of Xenon will take lot of time because Xenon is heavier than Helium. Pink
balloon will lose half of its content more quickly.
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