Operating under the assumption that the diameter of a garden hose is 2 cm, what is the resistance of a 20m garden hose filled with seawater? If a current of 500cos(300t) A is applied across the hose, about how many electrons enter or exit the wire in a half-cycle of the current?

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive