Achemical reaction has a h of -2764 kj. this indicates that the chemical reaction that took place was:

a. endothermic
b. exothermic
c. neutralization
d. solvation

This is an exothermic reaction in which the energy is released to the surroundings, so the enthalpy change ΔH     
     ΔH = Hproducts - Hreactants
is negative.

An endothermic reaction has a positive enthalpy change. Neutralization reactions occuring between an acid and a base are generally exothermic while solvation or dissolution can be endothermic or exothermic.

The answer is !

Higher temperature = molecules move around faster. and vice versa.