In this video we'll learn how to translate a chemical equation into an equilibrium law (a.k.a. equilibrium constant) with the right fraction and exponents. We'll also see what to do about a few common exceptions you need to know, like if liquid water is one of the products or reactants, or if there is a solid on one side of the equation.
Basic Equilibrium Constant Calculations
In this video we'll look at word problems and plug numbers into the equilibrium laws we created in the last video. We'll also learn how to manipulate equilibrium constants. For example if they give you Kc for a reaction but want you to find Kc for the reverse reaction, or for double the coefficients.
The formula for reaction quotients, Q, is surprisingly similar to equilibrium constants. The difference is that the reaction may or may not be at equilibrium when you plug the numbers in. Is it or is it not at equilibrium? That is (often) the question.
If you do not have an account, you should get one, because it is awesome! You can save a playlist for each test or each chapter, and save your "greatest hits" into a "watch right before the final" list (not that we recommend cramming, but when in Rome...)