An incident ray parallel to the axis of a convex lens: F
F
A. continues in a straight line without refracting.
B. refracts parallel to the axis of the lens.
C. refracts outward, as if it came from the focus on the left side of
the lens
D. refracts through the focus on the right side of the lens.

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide