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How many moles of al3+ ions are in 1.25 moles of al2o3

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)

Which process describes vaporization that takes place below the surface of a liquid? condensation melting boiling evaporation