Question

(06.01 MC)

Part 1. A glass bottle, which is half-filled with water, has a balloon attached to its
opening. The bottle is placed in a hot water bath for some time. Explain the change
to the size of the balloon based on the kinetic molecular theory.
Part 2. What would most likely happen to the balloon if the bottle was then placed
into a jar of cold water with ice cubes? Explain your answer based on the kinetic
molecular theory
In both cases, assume the balloon is attached tightly enough so that air does not
escape the system. (10 points)

Answer 1

According to the kinetic theory, a gas temperature is the measure of the average kinetic energy of the molecules of gas. Thus, when the balloon is attached to the opening of a glass bottle placed in a hot water bath for some time, the molecules of gas inside the balloon acquire greater kinetic energy thus moving faster. Hence, the molecules spread out and the gas expands thus expanding the balloon.

When the bottle is placed in a cold jar of cold water with ice cubes, the molecules of the gas loose energy thus decreasing the speed of the molecules within the gas. As a result of this, the size of the balloon should begin to shrink and so does the volume of the gas. Therefore, innately showing a demonstration of Charles' law of gasses which is the law that the volume of gasses is proportional to the temperature, (if the volume increases so does the temperature and vice versa).

Step-by-step explanation:

I took the exam and go tthis question correct.

Answer 2

See explanation

Step-by-step explanation:

According to the kinetic theory, a gas temperature is a measure of the average kinetic energy of the molecules of the gas. Thus, when the balloon is attached to the opening of a glass bottle placed in a hot water bath for some time, the molecules of the gas inside the balloon acquire greater kinetic energy and move faster. Hence, the molecules spread out and the gas expands - its size increases.

When the bottle is placed into a jar of cold water with ice cubes, the molecules of the gas loose energy and begin to coalesce. As a result of this, the volume of the gas decreases and the balloon shrinks. This is a demonstration of Charles law.