Question

If 6.02 x 1023 molecules of O₂ are added to a balloon containing 6.02 x 1023 molecules of N₂, what will happen to the volume of the balloon?

A: Nothing will change.
B: It will double.
C: It will shrink.
D: It will quadruple.

Answer 1

Adding 6.02 x 10^23 molecules of O2 to a balloon containing an equal number of N2 molecules will double the volume of the balloon according to Avogadro's Law, assuming temperature and pressure remain constant.

Step-by-step explanation:

When 6.02 x 1023 molecules of O2 are added to a balloon already containing 6.02 x 1023 molecules of N2, the volume of the balloon will change according to Avogadro's Law, which states that equal volumes of gases, at the same temperature and pressure, contain the same number of molecules. Therefore, if we double the number of gas molecules in the balloon without changing the temperature and pressure, the volume of the balloon will also double. This is evidenced by the fact that the volume of the balloon increases as you add moles of gas to the balloon.