Solid zinc oxide is added to hydrochloric acid to form zinc chloride in water. How many moles of hydrochloric acid will be needed to completely react with 112 grams of zinc oxide?

The minerals found in bones are deposited by living cells called

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

Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules