According to Newton's Third Law, if a hammer puts a force of 200 N on a nail, how much force does the nail put back on the hammer? a. 200 N
b. -200 N
c. 50 N
d. 150 N

What is avogadro’s number, and why is it useful

Displacement is the slope of a velocity vs. time graph a. true b. false

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.