Final answer:
The volume of gas within a balloon and the volume of the balloon are equivalent under normal conditions. However, Charles's Law and Boyle's Law illustrate how changes in temperature and pressure can affect this volume, while Avogadro's hypothesis provides insight into the number of gas particles within a given volume.
Step-by-step explanation:
The volume of the gas inside a balloon and the volume of the balloon itself are generally considered the same under normal circumstances. However, when discussing the behavior of gases, it's important to consider the surrounding conditions such as temperature and pressure. Charles's Law explains that the volume of a sealed gas is directly proportional to its temperature (in Kelvin) when pressure is constant. Thus, a balloon sealed at room temperature will shrink in a colder environment, indicating that the volume of the gas has decreased, but if the balloon is open to the atmosphere, then the pressure inside and outside of the balloon would be the same.
Boyle's Law discusses the inverse relationship between pressure and volume; as a balloon rises into higher altitudes, where the atmospheric pressure is lower, the volume of the gas inside the balloon will expand.
Finally, Avogadro's hypothesis reminds us that at a given temperature and pressure, equal volumes of all gases contain the same number of particles. This principle suggests that while the type of gas doesn't affect the volume it can occupy, the temperature and pressure conditions do dictate the gas volume.