C funnel because the funnel would have a large enough entrance to put a solid through
Aluminium is overall more reactive because it can loose electrons easier and therefore in a displacement reaction can force electrons upon less reactive metals such as chromium
Answer:
The mole is important because it allows chemist to work with a subatomic world with macro world units and amount. Atoms molecules and formula units are very small and very difficult to work with usually. However the mole allows a chemist to work with amount large enough to use.
Particles of gas are more scarcely placed as compared to that of liquid.
the intermolecular forces will be less in gaseous state and hence is less stable