If the student opened the bag after the above experiment, what would happen to volume of gas inside?

A. The volume of gas in the bag will stay the same.
B. the volume of gas in the bag will be decrease.
C. The volume of gas in the bag will be increase.
D. the volume of gas in the bag will turn into a liquid.

What above experiment? I have no idea what you're talking about. It must have been some kind of experiment in which a gas was involved.

After experiment was done.

To determine what would happen to the volume of gas inside the bag after the experiment, we need to first understand the experimental setup and the effect of the actions taken.

Since the above experiment is not described, we'll need to make some assumptions. Let's assume that the experiment involved a chemical reaction taking place inside a closed bag, which resulted in the production of gas.

Now, if the student opens the bag after the experiment, the volume of gas inside will depend on the conditions inside the bag and external factors like temperature and pressure.

If the temperature and pressure inside and outside the bag remain constant, then opening the bag would not change the volume of the gas. In this case, the answer would be A. The volume of gas in the bag will stay the same.

However, if the temperature and pressure change during the experiment or when the bag is opened, it could affect the volume of gas. For example, if the gas was produced at high pressure, and the bag is opened to the atmosphere at lower pressure, the gas may expand, increasing its volume. In this case, the answer would be C. The volume of gas in the bag will increase.

On the other hand, if the temperature and pressure conditions result in the gas being in a compressed state, opening the bag could cause the gas to escape, leading to a decrease in volume. In this case, the answer would be B. The volume of gas in the bag will decrease.

It is important to note that the gas turning into a liquid, as mentioned in option D, would require very specific conditions which are not described in the given information, so we cannot assume that to be the case here.