3. Given the following equations and AHº values, determine the heat of reaction (kJ) at 298 K for the reaction: 2 OF2(g) +2 S(s) S02(g) + SF4(g)
AH°/kJ = -276.6
AH/kJ = -827.5
AH°/kJ = -296.9
OF2 (g) + H20 (1) ► 02 (g) + 2 HF (g)
SF2 (g) + 2 H20 (1) ► 4 HF (g) + SO2 (g)
S(s) + O2 (g) + O2(g) → SO2 (g)

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?