Determine the heat of reaction of the following chemical reaction using the standard heats of formation from the table in the Chemistry B Information Sheet. Show all of
your work. Then classify each reaction as endothermic or exothermic.
C2H5OH (1) + 3 O2 (g) → 2 CO2 (g) + 3 H20 (1)

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.