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Study sets matching "equilibrium"

Equilibrium
Concentration of reactants increases
Pressure Increases
Volume increases
Temperature Increases
move right -- makes more product
shift to side with fewer molecules
shift to side with more molecules
Favours the endothermic reactions
Concentration of reactants increases
move right -- makes more product
Pressure Increases
shift to side with fewer molecules
14 terms
Equilibrium
Concentration of reactants increases
Pressure Increases
Volume increases
Temperature Increases
move right -- makes more product
shift to side with fewer molecules
shift to side with more molecules
Favours the endothermic reactions
Concentration of reactants increases
move right -- makes more product
Pressure Increases
shift to side with fewer molecules
17 terms
Equilibrium
least moles of gas molecules
dynamic equilibrium
completion
The endothermic reaction
An increase in pressure will favour the side with the...
The ⇌ symbol stands for...
The → symbol stands for a reaction that goes to...
An increase in temperature will favour the...
least moles of gas molecules
An increase in pressure will favour the side with the...
dynamic equilibrium
The ⇌ symbol stands for...
54 terms
Equilibrium
Q < K
Q > K
Q = K
Large Kc
Moves right... ~ moving towards the K constant value
Moves to left... ~ moving towards K constant value
Equal
reaction goes to completion and equilibrium consists of MORE…
Q < K
Moves right... ~ moving towards the K constant value
Q > K
Moves to left... ~ moving towards K constant value
20 terms
Equilibrium
Concentration of reactants increases
Pressure Increases
Volume increases
Temperature Increases
will result in more product being formed (reactants increase)
shift to side with fewer molecules (pressure)
shift to side with more molecules (volume)
Favours the endothermic reactions
Concentration of reactants increases
will result in more product being formed (reactants increase)
Pressure Increases
shift to side with fewer molecules (pressure)
11 terms
Equilibrium
Enthalpy
Endothermic
Exothermic
Activation
- Totally energy possessed by substance
- Energy in that break bonds... - Intake of energy
- Energy out to make bonds... - Output of energy
- Amount of energy it takes to form activated complex... - React…
Enthalpy
- Totally energy possessed by substance
Endothermic
- Energy in that break bonds... - Intake of energy
18 terms
Equilibrium
Concentration trends
Pressure trends
Volume trends
Temperature trends
Increase in reactants: move right ... Decrease in reactants: mov…
Increase: shift to side with fewer molecules ... Decrease: shift…
Increase: shift to side with more molecules... Decrease: shift t…
Increase: shift to side without the energy (to reduce temp)... D…
Concentration trends
Increase in reactants: move right ... Decrease in reactants: mov…
Pressure trends
Increase: shift to side with fewer molecules ... Decrease: shift…
37 terms
Equilibrium
The equilibrium will shift in order to…
Pressure, concentrations, temperature
Moles
Toward the side with fewer moles of ga…
What happens when a system at equilibrium is subjected to a s…
What are the three stresses that cause changes?
What is pressure proportional to?
If the pressure on a system at equilibrium is increased, what…
The equilibrium will shift in order to…
What happens when a system at equilibrium is subjected to a s…
Pressure, concentrations, temperature
What are the three stresses that cause changes?
18 terms
Equilibrium
Increase in pressure favours
Symbol for equilibrium reaction
Symbol for reaction that goes to compl…
Formula of a weak acid
reaction making less moles of gas
CH₃COOH
Increase in pressure favours
reaction making less moles of gas
Symbol for equilibrium reaction
54 terms
Equilibrium
Equilibrium constant
Equilibrium constant equation
Reaction quotient
Le Châtelier's Principle
At a given temperature, the product of the equilibrium concen…
Similar to the equilibrium constant, but can be measured any…
When a stress is applied to a system at equilibrium, the equi…
Equilibrium constant
At a given temperature, the product of the equilibrium concen…
Equilibrium constant equation
14 terms
Equilibrium
dynamic equilibrium
LeChatelier's Principle
Keq
Reversible Reaction
Condition of continuous, random movement of particles but no…
When a stress is applied to a system at equilibrium, the equi…
[products]/[reactants] ***NO UNITS***
a reaction in which the conversion of reactants into products…
dynamic equilibrium
Condition of continuous, random movement of particles but no…
LeChatelier's Principle
When a stress is applied to a system at equilibrium, the equi…
28 terms
Equilibrium
At equilibrium, __________. ... A) all c…
Which one of the following is true con…
Which one of the following will change…
Which of the following expressions is…
B
B
A
B
At equilibrium, __________. ... A) all c…
B
Which one of the following is true con…
B
12 terms
equilibrium
macula sacculi
macula utriculi
otolithic membrane
otoliths
macula sacculi
macula utriculi
11 terms
Equilibrium
Equilibrium constant
Le Chatelier's principle
Reaction rate
Catalyst
Keq - the ratio of concentrations when equilibrium is reached…
If an equilibrium system is subjected to a change, the system…
The speed at which reactants are changing to products. Also,…
A substance which changes the pathway of the reaction by lowe…
Equilibrium constant
Keq - the ratio of concentrations when equilibrium is reached…
Le Chatelier's principle
If an equilibrium system is subjected to a change, the system…
10 terms
Equilibrium
Dynamic equilibrium
Law of mass action
Keq
Reaction quotient
The equilibrium that exists in a closed system when the rate…
The rate of a chemical reaction is proportional to the produc…
the relationship between the concentration of products and re…
Ratio of the concentrations of the products to the concentrat…
Dynamic equilibrium
The equilibrium that exists in a closed system when the rate…
Law of mass action
The rate of a chemical reaction is proportional to the produc…
Equilibrium
Equilibrium
Phase equilibrium
Factors that affect equilibruim
INCREASE Temperature EXO
1) Must occur in a closed system... 2)rate of forward reaction=r…
1)occurs with volatile liquid... 2)Rate of vaporisation = rate o…
Temp,... Pressure... Concentration... Catalyst
EXOTHERMIC - INCREASE in temp = DECREASE in products
Equilibrium
1) Must occur in a closed system... 2)rate of forward reaction=r…
Phase equilibrium
1)occurs with volatile liquid... 2)Rate of vaporisation = rate o…
22 terms
Equilibrium
Market Equilibrium
Market Disequilibrium
Equilibrium Function
Resource Allocation
The price where the quantity demanded and quantity supplied a…
Any price at which the demand and supply quantities are not e…
QD = a - bP and QS = c + dP... a - bP = c + dP"
Manner by which society manages and rations its resources.
Market Equilibrium
The price where the quantity demanded and quantity supplied a…
Market Disequilibrium
Any price at which the demand and supply quantities are not e…
12 terms
Equilibrium
Quantitative rxns
Equilibrium rxns
Exothermic rxns
Endothermic rxns
-rxns that proceed only one way and goes to completion... A + B…
-after reactants form products, the products recombine and be…
-heat released... A + B --> C + D + 48kJ -^H=-ve (product)
-heat absorbed... A + B + 48kJ --> C + D +^H= +ve (reactant)
Quantitative rxns
-rxns that proceed only one way and goes to completion... A + B…
Equilibrium rxns
-after reactants form products, the products recombine and be…
18 terms
Equilibrium
chemical equilibrium
factors to reach equilibrium
factors determining reaction occurrence
Le Chatelier
when both reactions are occurring at the same rate and no cha…
closed system; simultaneous opposing reactions occurring at s…
-ΔH (favour energy release), +ΔS (favour increased entropy)
looked at what would happen to a system already at equilibriu…
chemical equilibrium
when both reactions are occurring at the same rate and no cha…
factors to reach equilibrium
closed system; simultaneous opposing reactions occurring at s…
9 terms
Equilibrium
Reaction Rate
Collision theory
Effective collisions will result only…
Endothermic
Change in concentration over time
atoms must collide in order to react
a) enough energy... b) proper orientation
Reaction Rate
Change in concentration over time
Collision theory
atoms must collide in order to react
25 terms
Equilibrium
homologous structure
analogous structure
genetic evidence
stabilizing selection
same ancestor: structural similarities
two unrelated species but are similar because of similar envi…
DNA, RNA, amino acids, chromosomes
average form of trait is selected form
homologous structure
same ancestor: structural similarities
analogous structure
two unrelated species but are similar because of similar envi…
14 terms
Equilibrium
describe hair cells
Function of hair cells (with motion)
describe the ampularry capula
describe crista ampullaris
the sensory receptors for auditory and vestibular systems. th…
when head is tilted foward, cells depolarize. when head is ti…
a delicate, loosely organized network of gelatinous strands t…
a minute elevation in the ampulla of each semicircular canal…
describe hair cells
the sensory receptors for auditory and vestibular systems. th…
Function of hair cells (with motion)
when head is tilted foward, cells depolarize. when head is ti…
18 terms
Equilibrium
Increase in pressure favours
Symbol for equilibrium reaction
Symbol for reaction that goes to compl…
Formula of a weak acid
reaction making less moles of gas
CH₃COOH
Increase in pressure favours
reaction making less moles of gas
Symbol for equilibrium reaction
36 terms
Equilibrium
Rotational Motion
Translational motion
Torque
Magnitude of Torque
Produced by forces acting at points other than an object's ce…
Produced by forces acting at an object's center of mass
Measures the ability of a force to produce rotational motion…
Magnitude of torque equation... F = force vector , r = position…
Rotational Motion
Produced by forces acting at points other than an object's ce…
Translational motion
Produced by forces acting at an object's center of mass
5 terms
Equilibrium
Reversible
Irreversible
Equilibrium
Forward Reaction
Those new substances want to go through a reverse chemical re…
Impossible to reverse
When some molecules turn into products and some turn back int…
When reactants turn into products
Reversible
Those new substances want to go through a reverse chemical re…
Irreversible
Impossible to reverse
11 terms
Equilibrium
equilibrium constant formula
features of equilibrium constant
K ~ 1
K >> 1
1) Kc applies only at equilibrium... 2) Kc is independent of ini…
reaction is not reactant or product favored
reaction is product favored
equilibrium constant formula
features of equilibrium constant
1) Kc applies only at equilibrium... 2) Kc is independent of ini…
17 terms
Equilibrium
Dynamic Equilibrium Definition
Equilibrium Constant
K Backward
K New
1. Rate of Reverse Reaction = Rate of Forward Reaction... 2. The…
aA + bB <=> cC + dD... K = P/R = ([C]^c*[D]^d)/... ([A]^a*[B]^b)…
K = R/P, Kbackward = 1/Kforward
K new = K^n Original; n = factor original equation was multip…
Dynamic Equilibrium Definition
1. Rate of Reverse Reaction = Rate of Forward Reaction... 2. The…
Equilibrium Constant
aA + bB <=> cC + dD... K = P/R = ([C]^c*[D]^d)/... ([A]^a*[B]^b)…
9 terms
Equilibrium
Equilibrium
Dynamic Reversible Closed
Product favored reaction
Reactant favored reaction
When the rate of the forward reaction equals the rate of the…
Requirements for equilibrium?
When the concentration of the products at equilibrium is grea…
When the concentration of the products at equilibrium is less…
Equilibrium
When the rate of the forward reaction equals the rate of the…
Dynamic Reversible Closed
Requirements for equilibrium?
29 terms
Equilibrium
Reaction quotient
Equilibrium constant
Le Chatelier's principle
Reaction yield
The fraction of the concentration of the products in a reacti…
The value that the reaction quotient equals once the reaction…
If an equilibrium system is subjected to a change, the system…
The amount of product formed as a percentage of the total amo…
Reaction quotient
The fraction of the concentration of the products in a reacti…
Equilibrium constant
The value that the reaction quotient equals once the reaction…
16 terms
Equilibrium
temperature
Concentration
Pressure
Catalyst
Increasing temperature shifts the equilibrium in the endother…
Increasing the concentration of a substance shifts the equili…
Increasing the pressure shifts the equilibrium in the directi…
Increases the rate of the forward and reverse reaction to the…
temperature
Increasing temperature shifts the equilibrium in the endother…
Concentration
Increasing the concentration of a substance shifts the equili…
11 terms
Equilibrium
Equilibrium
Characteristics of Equilibrium State
Equilibrium Position
Equilibrium Constant (Kc)
-When there is no tendency for the quantities of reactants an…
-Dynamic... -Achieved in a closed system... -When the forward and r…
-Proportions of reactants and products in equilibrium mixture…
-A fixed value for a particular reaction at a specified tempe…
Equilibrium
-When there is no tendency for the quantities of reactants an…
Characteristics of Equilibrium State
-Dynamic... -Achieved in a closed system... -When the forward and r…
17 terms
Equilibrium
Perilymph
Endolymph
Membranous Labyrinth
Vestibular Apparatus
fluid contained in the labyrinth of the inner ear
The fluid within the membranous labyrinth is called:
Contains Endolymph
What part of the inner ear is responsible for balance?
Perilymph
fluid contained in the labyrinth of the inner ear
Endolymph
The fluid within the membranous labyrinth is called:
17 terms
Equilibrium
Perilymph
Endolymph
Membranous Labyrinth
Vestibular Apparatus
fluid contained in the labyrinth of the inner ear
fluid within the labyrinth of the inner ear
sacs and ducts within bony labyrinth, contains endolymph
maintains equilibrium; located in inner ear... has semicirular c…
Perilymph
fluid contained in the labyrinth of the inner ear
Endolymph
fluid within the labyrinth of the inner ear
23 terms
Equilibrium
Reversible Reaction
Chemical Equilibrium
Le Chatelier's Principle
Adding a Substance
a chemical reaction in which the products can react to re-for…
when the rate of the forward reactions equals the rate of the…
if a change (or stress) is imposed on a system at equilibrium…
causes the equilibrium to shift AWAY from the side where the…
Reversible Reaction
a chemical reaction in which the products can react to re-for…
Chemical Equilibrium
when the rate of the forward reactions equals the rate of the…
23 terms
Equilibrium
When the rate of the forward reaction…
The amount of reactant and product at…
More reactants than products
More products than reactants
Define dynamic equilibrium
What does the position of equilibrium tell you?
What does it mean when the equilibrium lies to the left?
What does it mean when the equilibrium lies to the right?
When the rate of the forward reaction…
Define dynamic equilibrium
The amount of reactant and product at…
What does the position of equilibrium tell you?
10 terms
Equilibrium
static equilibrium
dynamic equilibrium
vestibule
utricle
the perception of the orientation of the head when the body i…
acceleration or deceleration of the head in space due to moti…
contains the utricle and the saccule; organs of static equili…
Sensitive to change in horizontal movement
static equilibrium
the perception of the orientation of the head when the body i…
dynamic equilibrium
acceleration or deceleration of the head in space due to moti…
17 terms
equilibrium
Perilymph
Endolymph
Membranous Labyrinth
Vestibular Apparatus
thin fluid inside bony labyrinth that surrounds the membranou…
thick gel like fluid inside the membranous labrinth
membrane that is between the perilymph and the endolymph
semicircular canals and vestibule has to do with balance
Perilymph
thin fluid inside bony labyrinth that surrounds the membranou…
Endolymph
thick gel like fluid inside the membranous labrinth
17 terms
Equilibrium
Perilymph
Endolymph
Membranous Labyrinth
Vestibular Apperatus
Plasma-like fluid in the bony labyrinth.
Thicker fluid in the membranous labyrinth .
Maze, system of membrane sacs that follows the shape of the b…
Both the vestibule and semicircle canals.
Perilymph
Plasma-like fluid in the bony labyrinth.
Endolymph
Thicker fluid in the membranous labyrinth .
24 terms
Equilibrium
equilibrium
Equilibrium Constant (Keq)
Equilibrium Constant (Keq)
gases and aqueous solutions
a dynamic state in which the forward reaction rate equals the…
an expression that indicates the concentrations of products a…
= products / reactants ... [C]c[D]d = products... [A]a[B]b = reacta…
only ? and ? are included in the equilibrium constant express…
equilibrium
a dynamic state in which the forward reaction rate equals the…
Equilibrium Constant (Keq)
an expression that indicates the concentrations of products a…
48 terms
Equilibrium
equilibrium is.....
state of equilibrium means..
state of dis equilibrium means.....
2 graphs that can represent equilibriu…
dynamic, forward reaction happens at the same time as the rev…
reaction resists changes
sensitive to small displacements
• time by concentration... •time by reaction rates
equilibrium is.....
dynamic, forward reaction happens at the same time as the rev…
state of equilibrium means..
reaction resists changes
25 terms
Equilibrium
homologous structure
analogous structure
genetic evidence
stabilizing selection
same ancestor: structural similarities
two unrelated species but are similar because of similar envi…
DNA, RNA, amino acids, chromosomes
average form of trait is selected form
homologous structure
same ancestor: structural similarities
analogous structure
two unrelated species but are similar because of similar envi…
15 terms
EQUILIBRIUM
chemical equilibrium
Haber process
law of mass action
equilibrium expression
the point at which the concentrations of all species are cons…
the industrial preparation of ammonia from nitrogen to hydrogen
the rate of any chemical reaction is proportional to the prod…
chemical equilibrium
the point at which the concentrations of all species are cons…
Haber process
the industrial preparation of ammonia from nitrogen to hydrogen
16 terms
Equilibrium
Keq
Ksp
Ka
Kb
K eq = [Products] / [Reactants]... Equilibrium constant (Keq) Eq…
the equilibrium constant for a solid substance dissolving in…
is a quantitative measure of the strength of an acid in solut…
strength of base
Keq
K eq = [Products] / [Reactants]... Equilibrium constant (Keq) Eq…
Ksp
the equilibrium constant for a solid substance dissolving in…
9 terms
Equilibrium
Equilibrium
How to speed up reactions
Le Chatelier's Principle
Add more reactant
Point when both the product --> reactant rate and reactant --…
Cause More Collisions... 1. Increase Heat... 2. Increase Pressure... 3…
If you apply stress to a reaction at Equilibrium, the reactio…
RXN shifts right
Equilibrium
Point when both the product --> reactant rate and reactant --…
How to speed up reactions
Cause More Collisions... 1. Increase Heat... 2. Increase Pressure... 3…
21 terms
Equilibrium
adding a catalyst to a system causes t…
adding an inert gas causes the equilib…
adding more PRODUCT causes equilibrium…
adding more REACTANT causes equilibriu…
have NO change
have NO change
shift LEFT
shift RIGHT
adding a catalyst to a system causes t…
have NO change
adding an inert gas causes the equilib…
have NO change
18 terms
Equilibrium
dynamic equilibrium
LeChatelier's Principle
Keq
Reversible Reaction
Condition of continuous, random movement of particles but no…
When a stress is applied to a system at equilibrium, the equi…
[products]/[reactants] ***NO UNITS***
a reaction in which the conversion of reactants into products…
dynamic equilibrium
Condition of continuous, random movement of particles but no…
LeChatelier's Principle
When a stress is applied to a system at equilibrium, the equi…
14 terms
Equilibrium
Dynamic equilibrium can only happen in…
What is dynamic equilibrium?
Le Chatelier's principle states...
reversible reaction
closed
When the forward reaction is going at the same rate as the ba…
If a reaction at equilibrium is subjected to a change is conc…
reversible reaction
Dynamic equilibrium can only happen in…
closed
18 terms
Equilibrium
equilibrium location
vestibule
vestibule location
utricle location
sensed in vestibule and semicircular canals
central cavity of bony labyrinth
medial to middle ear
continuous with semicircular duct
equilibrium location
sensed in vestibule and semicircular canals
vestibule
central cavity of bony labyrinth
17 terms
equilibrium
equilibrium
equilibrium expression
haber process
what happens when coefficients are cha…
forward rate = reverse rate; dynamic because both reactions a…
products over reactants raised to coefficient power
3H2 + N2 --> 2NH3
Kc increases exponentially
equilibrium
forward rate = reverse rate; dynamic because both reactions a…
equilibrium expression
products over reactants raised to coefficient power
9 terms
Equilibrium
Definition
Types of equilibrium
Examples
When a population is at equilibrium?
A state in which the opposing forces are balanced.
Genetic
The fluid in the inner ear that helps keep our balance.
It is staying "the same as" it has been.
Definition
A state in which the opposing forces are balanced.
Types of equilibrium
Genetic
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