Which of the following reactions is a combustion reaction?
AgNO3(aq) + HCl(aq) → AgCl(s) + HNO3(aq).
C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(1)
Na2O(s) + CO2(g) → Na2CO3(s)
2H2O(l) → 2H2(g) + O2(g)

An excess of lithium oxide undergoes a synthesis reaction with water to produce lithium hydroxide li2o+h2o→2lioh if 1.05 g of water reacted, what is the theoretical yield of lithium hydroxide? a) 5.83 x 10–2 g lioh b) 1.17 x 10–1 g lioh c) 2.79 x 100 g lioh d) 1.40 x 100 g lioh