Oxygen gas is used to fill a balloon and a short time later the balloon is observed to only be half full. Explain this observation.
Responses
A The balloon leaks and the temperature went down.The balloon leaks and the temperature went down.
B More oxygen was added to the balloon and the temperature went up.More oxygen was added to the balloon and the temperature went up.
C The pressure outside the balloon went down and the pressure inside went down.The pressure outside the balloon went down and the pressure inside went down.
D The pressure outside the balloon went down and the temperature inside went up.
C The pressure outside the balloon went down and the pressure inside went down.
When a balloon is filled with oxygen gas, the gas particles inside the balloon exert pressure on the walls of the balloon, causing it to expand and become full. However, if the pressure outside the balloon decreases, such as when the balloon is taken to a higher altitude, the pressure inside the balloon will also decrease. This decrease in pressure can cause the balloon to shrink and appear half full.
C The pressure outside the balloon went down and the pressure inside went down.
Explanation: When a balloon is filled with oxygen gas, the pressure inside the balloon increases. If the pressure outside the balloon decreases, it will cause the pressure inside the balloon to also decrease. As a result, the balloon will appear to only be half full. This is because the decrease in pressure causes the gas particles to spread out, reducing the density and volume of the gas inside the balloon.
The correct answer is D: The pressure outside the balloon went down and the temperature inside went up.
Explanation:
When a gas is used to fill a balloon, the gas molecules inside the balloon exert a certain pressure on the walls of the balloon. This pressure is determined by the number of gas molecules and their kinetic energy (which is related to temperature).
If the pressure outside the balloon decreases, it means that the air pressure surrounding the balloon has dropped. This decrease in external pressure will cause the gas inside the balloon to expand because the pressure inside the balloon is now greater than the pressure outside. As a result, the balloon will appear to be half full.
Additionally, the increase in temperature inside the balloon could be due to the gas molecules gaining kinetic energy from the surroundings. This increase in temperature causes the gas molecules to move faster and collide with the balloon walls more frequently, resulting in increased pressure inside the balloon.
In summary, when the pressure outside the balloon decreases and the temperature inside increases, it leads to the expansion of the gas inside the balloon, making it appear half full.