Which of these scenarios involve a reaction that is at equilibrium a. the reaction is producing more products than reactants b..the reaction is producing more reactants than products c. the amount is producing more reactants is changing d. the amount is producing more reactants is constant

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?