11
43. The following energy profiles for four different reactions are shown. Which reaction is the most endothermic?
a.
a
c.
c
b.
b
d.
d
44. The following energy profiles for four different reactions are shown. Which reaction is the most exothermic?
a.
a
c.
c
b.
b
d.
d
45. Collision theory assumes that the rate of a reaction depends on __________
a.
the energy of collisions.
b.
the orientation of colliding molecules.
c.
the energy of collisions and the orientation of colliding molecules.
d.
the change in energy between the products and the reactants.
e.
the change in free energy between the reactants and products.