Ethanol can react with hydrochloric acid to form chloroethane and water. When sulfuric acid is added, the
reaction proceeds more quickly The sulfuric acid is still present when the reaction is complete. Which
statement correctly describes this reaction?

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)