Can someone plzz explain to me why is it SO4...where is the 4 coming from...

Energy is released during which phase changes? check all that apply. boiling condensing depositing freezing melting subliming

How far is the region from the equator or control climate

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