Increasing the concentration increases the speed of reaction by  a) lowering activation energy
b) inncreasing collisions
c) speeding up the reactants
d) exposing more reactant​

What layer of the atmosphere is directly above the troposphere?

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h