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CHEM 2 CHPT 15

Equilibrium

QuestionAnswer
concentrations and ratios are not equal but they are... constant
K>1 product favored
K<1 reactant favored
Kc equilibrium constant of gaseous and aqueous solutions
K uses ___ for formula while Kc uses..... K: order of reactants Kc: stoichiometry coefficients
Product goes in the (for the equation).... numerator
reactant goes in the(for the equation)... denominator
when writing the equation for Kc, what is left out? solids, pure liquids, and water
Kp= Kc(RT)^delta n
R= .08206
Kp=Kc when... the total number of moles of a reactant and product are equal
Kp is the.... (def) constant for reactions with only gases and uses partial pressures
What is the difference between Q and K Q is at any conditions while K is at equilibrium
Q<k: System is heading towards equilibrium (more reactant)
Q>K: System is past equilibrium (more product)
Kx100 < concentration of reactants Quadratic equation is not required
Kx100 > concentration of reactants quadratic equation is required
K(new) = K(old)^n
K(old)= K(new)-1
How do you disturb an equilibrium and what is the exception changing temperature, concentration or changing the volume (exclusive to gases)
if the volume doubles, then the concentration is... cut in half
if the volume is cut in half, then the concentration is... doubled
Increasing the volume of a container favors which side of the equilibrium? the side with the greatest number of moles
increasing the temperature of an _____ reaction favors the products endothermic
increasing the temperature of an _____ reaction favors the reactants exothermic
Le chateliers principle a change in temperature, concentration or volume will cause at system at equilibrium to shift back towards a state of equilibrium
What is added to an equation when determining temperature changes on gas phase equilibria? How does this change Q? energy to the reactant side. Q now includes energy in the denominator (reactant side)
As concentration increases, K... increases
Created by: Lyd543
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