Videos: Chemical Reactions

Precipitation Reactions: Crash Course Chemistry #9

A lot of ionic compounds dissolve in water, dissociating into individual ions. But when two ions find each other that form an insoluble compound, they suddenly fall out of solution in what's called a precipitation reaction. In this episode of Crash Course Chemistry, we learn about precipitation, precipitates, anions, cations, and how to describe and discuss ionic reactions.



Acid-Base Reactions in Solution: Crash Course Chemistry #8

Last week, Hank talked about how stuff mixes together in solutions. Today, and for the next few weeks, he will talk about the actual reactions happening in those solutions - atoms reorganizing themselves to create whole new substances in the processes that make our world the one we know and love. This week, we focus on acids and bases and their proton-exchanging ways.



Combustion Reactions

This video describes the basics of combustion reactions, how to identify them, how to predict the products, and how to balance the chemical equation. Three explosions are included: methane mamba, whoosh bottle, and hydrogen gas balloon.



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