To determine heat capacities and enthalpy changes. Method: ... Enthalpy of phase change. No DT at a phase change. water vaporizes/condenses at 100 C ...
Hess's law of heat summation states that for a chemical equation that can be ... or comparing thermodynamic data: 1 atmosphere pressure and the specified ...
1. Pick reactions that have reacts and prods already in place (know don't know) 2. ... 1. Pick reactions that have reacts and prods already in place (know don't know) ...
?Hf is the change in enthalpy when a compound is formed from its elements in ... E.g., standard state of oxygen is O2(g) at atmospheric pressure and 298K. ...
HCl(aq) into the calorimeter. Stir. the solution and continue ... Clean and dry the calorimeter and repeat this procedure using 0.60 g of Ca(OH)2. CHM 101/102 ...