Classify the following reaction as endo- or exothermic, and give the sign of AH.
250 mL of 1.0 M NaOH was added to 250 mL of 1.0 M HCl, and the temperature of the solution increased from 23.4 °C to 30.4 °C.
Match the words in the left column to the appropriate blanks in the sentences on the right.

endothermic,negative,positive,exothermic,absorbs, produces:

The temperature of the solution increased. This means that the reaction between HCl and NaOH (?) heat. A reaction that (?) heat is
ΔΗ° is (?)