CHEM 113: FINAL EXAM
53 Cards in this Set
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molecularity
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# of reactant molecules
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higher rate
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smaller Ea
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higher rate
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larger f
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higher rate
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larger k
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higher temperature
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higher rate
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# of mechanism steps
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# of humps on the energy diagram
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first order
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ln[A] vs. time
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second order
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1/[A]_t vs. timeq
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zero order
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[A] vs. time
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concentration of reaction, temperature, pressure
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effect reaction rate
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moles of gas doesn't change
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pressure doesn't affect reaction rate at all if...
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Q=K
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equilibrium
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larger Ka
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higher [H3O+]
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stronger acid
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higher [H3O+]
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Q < K
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favors product
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Q > K
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favors reactant
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arrhenius acid
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substance w/ H+ in formula, dissociates to yield H3O+
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arrhenius base
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substance w/ OH- in formula, dissociates to yield OH-
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bronsted lowry acid
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donates protons
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bronsted lowry base
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accepts protons
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lewis acid
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accepts electron pairs
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lewis base
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donates electron pair
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small k value
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no rxn
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larger k value
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rxn goes to completion
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intermediate k value
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significant amts of product and reactant
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1/Q rev
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Q fwd needs to be reversed
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Q^2
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Q needs to be multiplied by two
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Ai/K > 400
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assumption rule
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shifts right
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add reactant
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shifts left
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remove reactant
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shifts left
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add product
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shifts right
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remove product
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no effect
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adding inert gas
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shifts if moles changes
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changing volume of container (also e
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endothermic
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temp increase favors
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exothermic
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temp decrease favors
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positive
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temp increase increases kc if h rxn is
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negative
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temp increase will decrease kc if h rxn is
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Qsp>Ksp
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precipitate forms
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Qsp<Ksp
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no precipitate forms
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E cell> E0cell
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Q<1
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E cell=E0cell
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Q<1
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E cell<E0cell
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Q<1
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decreases solubility
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adding a common ion
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reduced
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oxidizing agent is
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oxidized
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reducing agent is
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spontaneous
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voltaic cells uses a _________ reaction
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non-spontaneous
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electrolytic cell uses a ______ reaction
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oxidation
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anode is
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reduction
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cathode is
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spontaneous
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E_cell > 0
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spontaneous direction
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stronger oxidizing agent is the one that proceeds in the
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1 V
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1 J/C
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CHEM 113: EXAM 1