Two aqueous solutions are both at room temperature and are then mixed in a coffee cup calorimeter. the reaction causes the temperature of the resulting solution to fall below room temperature. which of the following statements is true?
a. the products have a lower potential energy than the reactants.
b. energy is leaving the system during reaction.
c. this type of experiment will provide data to calculate ? erxn.
d. the mixing is endothermic.
e. none of the above statements are true.