Calcium reacts with oxygen in air to produce calcium oxide in the reaction 2Ca(s) + O2(8)2CO(5).

How many grams of oxygen gas must react to yield 20.55 g of calcium oxide?

hurricanes form when warm, moist air from the ocean surface quickly rises into the atmosphere and forms storm clouds and rain. when the clouds are formed, heat is released which warms the cool air in the upper regions of the atmosphere so that the cycle can continue. which two phases of the water cycle are repeated in this process?

catya that's not even a b or c