If 20.0 kJ of energy is absorbed by a 500 g piece of aluminum at -30.0°C, what is the final temperature of the aluminum?

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

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer