3 ms·
The one that made it click for me as incredibly useful was Avogrado's Law (now part of the Ideal Gas Law): > Equal volumes of all gases, at the same temperatur
by da_chicken 8y ago
The one that made it click for me as incredibly useful was Avogrado's Law (now part of the Ideal Gas Law):
> Equal volumes of all gases, at the same temperature and pressure, have the same number of molecules.
This law, for example, explains why hot air rises. Take two equal quanties of the same gas at the same pressure. They will have the same volume. Now, heat one quantity of gas. By this law, that gas will have a larger volume at the same pressure. Because it has the same amount of mass distributed over a larger volume, it must be less dense. Therefore, it rises.
- tantalor 8y ago> By this law, that gas will have a larger volume The law as quoted doesn't say what happens when the temperature change. Maybe it gets more dense? Be more specific.
- effie 8y ago> By this law, that gas will have a larger volume at the same pressure. It will have larger volume, but that is not implied by Avogadro's law. That law is about the surprising property of all gases: no matter the chemical nature of the gases, if they all have same T and P, they all will have same number of molecules per unit volume.