A reversible reaction is a reaction that takes place in the .If the reaction were to
, the rate of the forward reaction would equal that of the reverse reaction.

Distance and velocity graph

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).