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3 cards from this section. Quick, good the night before a test.
What is the expression for Kc for the reaction 2A + B ⇌ 3C?
Use the coefficients from the balanced equation.
If Kc for a reaction is 5.0, what does this imply about product concentrations compared to reactant concentrations?
Recall that K > 1 indicates a shift towards products.
What is the purpose of an ICE table?
Think about what the letters I, C, and E stand for.
True or False: The approximation method can always be used when calculating equilibrium concentrations.
Consider when making approximations is reliable in science.
For the equilibrium reaction 2A ⇌ B + C with Kc = 4.0, if A starts at 0.400 M, find the equilibrium concentrations of A, B, and C.
Rearranging and solving this quadratic will lead to values for x.
A given equilibrium reaction has an equilibrium constant Kc of 0.045. If you start with 0.200 M of each reactant, what are the equilibrium concentrations?
Remember to consider the ranges of K values affecting directionality.
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