What does this diagram represent?

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

Explain in detail of the four major scientific developments that spurred the formulation of the plate tectonics theory

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.