2Mg + O2 à 2MgO
How many moles of MgO will be produced when 1.1 moles of O2 react?

According to coulomb's law, how would the electrical force between particles change if the product of their electrical charge increased?

Which statement describes james chadwick’s discovery.

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.