A reaction occurs in a calorimeter, resulting in the

Last updated: 7/10/2022

A reaction occurs in a calorimeter, resulting in the starting and final temperatures shown below. What can you say about the reaction and the enthalpy change (AH) during the reaction? Starting temperature: 21.0 °C The reaction is endothermic and AH is positive. The reaction is endothermic and AH is negative. The reaction is exothermic and AH is negative. The reaction is exothermic and AH is positive.