1.) 22.5 grams of Potassium nitrate react with Sodium Bromide to produce how many grams of Potassium Bromide?

2.)Scandium (III) Sulfide reacts with solid Aluminum to produce 16.3 grams of Aluminum Sulfide,
how many grams of Scandium (III) Sulfide were used in the reaction?

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

Reduction is a reaction which results in a in electrons and a in positive charge of the atom or ion 1) a- loss 1) b- gain 2) a-increase 2) b-decrease

Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2