Question

When a calorimeter is used, no heat is exchanged between the contents of the container and the outside air. If an exothermic reaction is conducted inside a calorimeter filled with water, which of the following statements best describes what occurs during the reaction?

The total energy inside the calorimeter is conserved.

The thermometer will show a decrease in temperature.

The water decreases in temperature as the reaction absorbs heat.

The potential energy of the reactants is lower than that of the reactants.

Answer 1

I think it is A

Answer 2

you'd be correct