In a reaction performed in a lab, students synthesized magnesium oxide by reacting elemental magnesium and oxygen gas. The theoretical yield is 68.0 g of MgO, and the actual yield is 50.3 g.

List four observations that indicate that a chemical reaction may be taking place

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. a solution containing 3.50 g of sodium carbonate is mixed with one containing 5.00 g of silver nitrate. how many grams of sodium carbonate, silver nitrate, silver carbonate, and sodium nitrate are present after the reaction is complete?

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?