during a chemical reaction when the products of that reaction require less potential energy describe what happens to the surroundings?

Calculate the number of molecules present in 0.750 mol of mgo.

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

How have the greenhouse gasses increased from the year 2000 to 2018