Which of the following describes the motion of water molecules in ice?
A. They move faster than in a liquid.
B. They are vibrating alightly
c. They move the same as in a liquid.
D. They do not move at all

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

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

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?