A chemist mixes 47.7 ml of 0.110 m HCl(aq) at 25.7 °c is added to 40.0 ml of 0.285 m NaOH(aq) at the same temperature in a coffee-cup calorimeter. after mixing the temperature of the solution was observed to be 32.0 °c. calculate the heat produced by this process, in j.