The aurora borealis or northern light occur when solar flares react with the atmosphere near the north poles. the aurora give off colred light because electricity is flowing. which state of matter must the air be in for the aurora to occur? a) gas b) liquid c) plasma d) solid

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

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Which substance has non polar covalent bonds