9A.2 Flashcards
what are successful collisions
collisions that result in a reaction
if you increase the concentration what happens to the rate of reaction and why
the rate of reaction increase, that is because the frequency of collisions increase since the reactant particles are closer to each other now because there is more of them in the same volume of a solution therefore more successful collisions
when graphing the results of the same reaction done with different concentrations what do you see
the reaction done with the highest concentration has a higher gradient
it also levels off before the other reactions
it also reaches the products first
and all of the curves would end at the same point
if you increase the pressure what happens to the rate of reaction and why
the rate of reaction increase, that is because the frequency of collisions increases since the reactant particles are closer to each other now because there is more of them in the same volume of a solution therefore more successful collisions
an increase of pressure increases the rate of reaction only in
the gas phase
what is a heterogeneous reaction
a class of chemical reactions in which the reactants are components of two or more phases
if you increase the surface area what happens to the rate of reaction and why
the rate of reaction increases, because a bigger area collides in
a large surface area will increase the reaction rate only when
the reaction is heterogeneous involving a solid
the larger the surface area of a catalyst
the more increase in the rate of reaction
