(a) How is the law of combining volumes explained by Avogadro's hypothesis?
(b) Consider a 1.0-L flask containing neon gas and a 1.5-L flask containing xenon gas. Both gases are at the same pressure and temperature. According to Avogadro's law, what can be said about the ratio of the number of atoms in the two flasks?
(c) Will 1 mol of an ideal gas always occupy the same volume at a given temperature and pressure? Explain.