The reactant concentration in a zero-order reaction was 6. 00×10−2 mm after 160 ss and 1. 00×10−2 mm after 315 ss. What is the rate constant for this reaction?.

When an object moves in uniform circular motion, the direction of its acceleration is a) in the same direction as its velocity vector. b) in the opposite direction of its velocity vector c) is directed toward the center of its circular path. d) is directed away from the center of its circular path. e) depends on the speed of the object.

Ais useful when you need a simple machine to you separate two things. a. lever b. screw c. pulley d. wedge

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?