What is the mass of a cylinder of lead that is 2.50 cm in diameter, and 5.50 cm high? The density of lead is 11.4 g/cm3. The mass is ___

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

How many moles of oxygen react with 12 moles of aluminum

What is the molecular weight of copper