Chicago uses 1.2 x 109 gallons of water /day. How many gallons per second must be pumped from Lake Michigan every second to supply the city? Show your work.

Why is an elements atomic mass not listed as a whole number on the periodic table

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

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