Boiling water produces gas bubbles. is this evidence of a chemical reaction? yes or no?

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

C3h8o3 - glycerol major species present when dissolved in water

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