Adding nitric acid to water is quite exothermic.
Calculate the final temperature of 100.0 mL of water (d = 1.00 g/mL) at 20.2 °C [cp = 75.3 J/mol·°C)] after adding 10.0 mL of concentrated HNO3 (17.2 M , ΔH°soln = –33.3 kJ/mol).