"solid potassium iodide decomposes into iodine gas and solid potassium. write a a balanced chemical equation for this reaction"

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?