Ammonia and copper(II) oxide react to form solid copper, water and nitrogen gas. What are the coefficients for the balanced chemical equations.
A: 2,2,2,1,1
B: 1,2,1,2,1
C: 1,3,3,3,1

This flow chart shows the amount of energy that is emitted by each type of light. ultraviolet > blue light > yellow light > red light (maximum energy) (minimum energy) in an experiment, shining which type of light on a strip of metal would be least likely to produce the photoelectric effect? ultraviolet light dim blue light bright red light bright yellow light

At 450 mm hg a gas has a volume of 760 l, what is its volume at standard pressure

What happens to the temperature of a substance when the average kinetic energy of its particles increases?