Extra run (if needed) Mass of Mg 3.15 Mass of MgO Mass of empty calorimeter Mass of calorimeter and soln. after reaction *Total mass of solution Initial Temperature Final Temperature (from graph) *AT Mg Run 1 Mg Run 2 MgO Run 1 MgO Run 2 0.078 0.077 0.160 0.158 3-15 3.ob 3.06 13.80 12.97 13-72 13.55 10.69 9.91 10.57 10.40 24.8 25.7 25.4 149.6 48.2 31.8 30.9 24.8 21.8 0.1 5 26.4 Results Table Extra run Mg Run 1 Mg Run 2 MgO Run 1 MgO Run 2 (if needed) *Moles of Mg *Moles of MgO *q (heat evolved by reaction) *AH (in kJ/mol) *AH = Average value of AH for all runs using Mg *AH2 = Average value of AH for all runs using MgO *AH(MgO, s) * Percentage error in AH (MgO, s) from accepted value = * Include in your report, on a separate sheet, one sample calculation of each quantity marked with an asterisk* Revision 2019.03.26 CHM1221 (University Chemistry I) Lab Manual Page 8