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Study sets matching "dynamic equilibrium"

8 terms
Dynamic Equilibrium
Dynamic Equilibrium
Important things
Kinetics vs. Equilibrium
Law of Mass Action
The point in a reaction when the forward rate equals the reve…
1. Reaction rates are equal... 2. Forward and reverse reactions…
Kinetics: concerned with the step by step process, cannot use…
Remember: ... -A ratio... -Only aqueous and gas are included (solid…
Dynamic Equilibrium
The point in a reaction when the forward rate equals the reve…
Important things
1. Reaction rates are equal... 2. Forward and reverse reactions…
10 terms
Dynamic Equilibrium
Dynamic Equilibrium
Reversible Reactions
Exothermic
Endothermic
When a reversible reaction occurs simultaneously in both dire…
A reaction that can occur in both directions. e.g. Nitrogen a…
A reaction that produces heat
A reaction that takes in heat
Dynamic Equilibrium
When a reversible reaction occurs simultaneously in both dire…
Reversible Reactions
A reaction that can occur in both directions. e.g. Nitrogen a…
5 terms
Dynamic equilibrium
3
1
4
2
Waves are now forced to break before reaching the beach dissi…
Sediment is eroded from the beach during the storm
When a storm calms, normal wave conditions rework sediments f…
Sediment is deposited forming an offshore bar
3
Waves are now forced to break before reaching the beach dissi…
1
Sediment is eroded from the beach during the storm
5 terms
Dynamic Equilibrium
3 semi- circular canals
dynamic
rotational
cilia
filled with canals that are arranged at right angles, provide…
changing body/ head position
_______ movement causes the fluid within the semi circular ca…
attached to hair receptor cells in the ampulla
3 semi- circular canals
filled with canals that are arranged at right angles, provide…
dynamic
changing body/ head position
11 terms
Dynamic equilibrium
Dynamic equilibrium
Closed system
Le chatelier's principle
Change in concentration
The equilibrium that exists in a closed system when the rate…
A system that is isolated from its surroundings, so no materi…
When a system in equilibrium is subjected to an external chan…
-if more products are formed as a result of change, equilibri…
Dynamic equilibrium
The equilibrium that exists in a closed system when the rate…
Closed system
A system that is isolated from its surroundings, so no materi…
7 terms
Dynamic Equilibrium
Feedback mechanism
Insulin
Pancreas
Dynamic equilibrium
a cycle in which the output of a system either modifies or re…
a hormone that prompts glucose to move from the blood cells,…
an endocrine organ that secretes insulinn
the constant small corrections that normally occur to keep an…
Feedback mechanism
a cycle in which the output of a system either modifies or re…
Insulin
a hormone that prompts glucose to move from the blood cells,…
12 terms
Dynamic equilibrium
Dynamic equilibrium
Le Chatelier's principle
Increasing concentration of reactant
Increasing concentration of product
Forward and backward reaction will be going at the same rate…
If there's a chanhe in concentration, pressure or temperature…
Equilibrium shifts to the right to get rid of extra reactant…
Equlibrium shifts to the left to remove extra product... Reverse…
Dynamic equilibrium
Forward and backward reaction will be going at the same rate…
Le Chatelier's principle
If there's a chanhe in concentration, pressure or temperature…
10 terms
Dynamic Equilibrium
Dynamic Equilibrium
Reversible Reactions
Exothermic
Endothermic
When the rate of the forward and backward reactions are equal
A reaction in which the products can react to reform the orig…
When the overall energy change of reaction results in heat gi…
When the overall energy change of a reaction results in heat…
Dynamic Equilibrium
When the rate of the forward and backward reactions are equal
Reversible Reactions
A reaction in which the products can react to reform the orig…
9 terms
Dynamic Equilibrium
Two conditions for dynamic equilibrium…
Three features of dynamic equilibrium
Effect of the addition of a catalyst
Pressure in Haber process (atm)
Reaction must be reversible and be in a closed container
Forward and reverse reactions are continuously occurring with…
Reduces time taken to establish equilibrium but doesn't alter…
250
Two conditions for dynamic equilibrium…
Reaction must be reversible and be in a closed container
Three features of dynamic equilibrium
Forward and reverse reactions are continuously occurring with…
12 terms
Dynamic Equilibrium
Dynamic Equilibrium
Semicircular canals
The three ducts:
Ampulla
Maintaining body position (head) in response to rotation
Three ducts
1) Anterior - vertical position... 2) Posterior - vertical posit…
- Swollen enlargement at one end of each canal ... - Contains cr…
Dynamic Equilibrium
Maintaining body position (head) in response to rotation
Semicircular canals
Three ducts
8 terms
Dynamic Equilibrium
K=
Q=
What is determined from Q
Le Chatelier's Principle
equilibrium constant
reaction quotient... can be compared to K to see which way react…
Q=K at equilibrium... K<Q reaction goes to left... K>Q reaction goe…
in response to a change, an equilibrium will shift in the dir…
K=
equilibrium constant
Q=
reaction quotient... can be compared to K to see which way react…
Dynamic Equilibrium
Dynamic Equilibrium: L
Dynamic Equilibrium: S
Transducer
Endolymph
at three semicircular canals@ 3 different planes(superior, po…
Three membranous cavities with Ampullae@vestibular base conta…
a device that converts variations in a physical quantity into…
Fluid w/in semicircular canals
Dynamic Equilibrium: L
at three semicircular canals@ 3 different planes(superior, po…
Dynamic Equilibrium: S
Three membranous cavities with Ampullae@vestibular base conta…
17 terms
Dynamic Equilibrium
Dynamic Equilibrium
How do we know that temperature change…
How do we know that the forward and re…
How do we know that the forward and re…
-no possible if the products of a reaction are able to escape…
flasks become lighter or darker when temp. changed... -meaning t…
the colour no longer changes
colour does not change
Dynamic Equilibrium
-no possible if the products of a reaction are able to escape…
How do we know that temperature change…
flasks become lighter or darker when temp. changed... -meaning t…
5 terms
Dynamic Equilibrium
what does Le Chatelier's principle sta…
if the pressure on a system is increas…
if the pressure of a system is decreas…
What is the effect of temperature on a…
that whenever a change (stress) is applied to an equilibrium…
the fewest moles of gas
the most moles of gas
a shift to the reactant side
what does Le Chatelier's principle sta…
that whenever a change (stress) is applied to an equilibrium…
if the pressure on a system is increas…
the fewest moles of gas
9 terms
Dynamic Equilibrium
Dynamic Equilibrium
Le chatelier's Principle
How does a catalyst effect a reversibl…
What does a high Kc mean?
Exists in a closed system when the rate of the forward reacti…
When a system in dynamic equilibrium is subjected to a change…
Does not affect the position of equilibrium, does increase th…
Equilibrium lies to the right... High yield of product achieved
Dynamic Equilibrium
Exists in a closed system when the rate of the forward reacti…
Le chatelier's Principle
When a system in dynamic equilibrium is subjected to a change…
8 terms
Dynamic Equilibrium Set 3
Pancreas
Pathogens
Receptor
Response
Produces digestive enzymes to aid in the breakdown of food mo…
Disease causing agents (microbes)
A protein that detects a signal molecule and performs an acti…
A reaction to a stimulus.
Pancreas
Produces digestive enzymes to aid in the breakdown of food mo…
Pathogens
Disease causing agents (microbes)
9 terms
Dynamic Equilibrium Set 1
AIDS/HIV
Allergic reaction
Antibody (antibodies)
Antigens
A serious (often fatal) disease of the immune system transmit…
A condition in which the body produces antibodies to foreign…
A substance produced by the body that destroys or inactivates…
Foreign material that invades the body
AIDS/HIV
A serious (often fatal) disease of the immune system transmit…
Allergic reaction
A condition in which the body produces antibodies to foreign…
9 terms
Dynamic Equilibrium Set 2
Feedback Mechanism
Fungi
Guard Cells
Homeostasis
A cycle of events in which information from one step controls…
An organism that breaks down organic matter, which it then ab…
Structures in leaves of plants, that open up and close the st…
Process by which organisms maintain a relatively stable inter…
Feedback Mechanism
A cycle of events in which information from one step controls…
Fungi
An organism that breaks down organic matter, which it then ab…
33 terms
UNIT 2: DYNAMIC EQUILIBRIUM
WHEN DO WE SAY THAT A REVERSIBLE REACT…
WHERE DOES A REACTION HAVE TO TAKE PLA…
WHAT FACTORS DO AFFECT THE EQUILIBRIUM?
WHAT CHANGES DON'T OCCUR WHEN A REACTI…
A reverisble reactions is said to be at equilibrium when the…
The reaction must take place in a CLOSED SYSTEM.
TEMPERATURE,CONCENTRATION,PRESSURE affect the equilibrium.
MACROSCOPIC changes don't occur at equilbrium.
WHEN DO WE SAY THAT A REVERSIBLE REACT…
A reverisble reactions is said to be at equilibrium when the…
WHERE DOES A REACTION HAVE TO TAKE PLA…
The reaction must take place in a CLOSED SYSTEM.
13 terms
Dynamic Equilibrium Test
What is the formula for the equilibriu…
Do the following have an effect on Kc?…
What's the effect on the value of Kc w…
What's the effect on the value of Kc w…
No... No ... Yes ... No
1. Position of equilibrium shifts to the right, Kc increases…
1. Position of equilibrium shifts to the left, Kc decreases... 2…
What is the formula for the equilibriu…
Do the following have an effect on Kc?…
No... No ... Yes ... No
11 terms
Dynamic Equilibrium 3
pH
nephron
synapse
neurotransmitter
...
...
...
...
pH
...
nephron
...
11 terms
Dynamic Equilibrium 2
photosynthesis
stoma
guard cell
chlorophyll
...
...
...
...
photosynthesis
...
stoma
...
20 terms
Dynamic Equilibrium Test
autotrophs
cellular communication
dynamic equilibrium
stimulus
Organisms that synthesize their own nutrients using atmospher…
Recognizes and responds to chemical signals by using receptor…
The term for equilibrium that is maintained by constant detec…
Any change or signal in the environment that can make an orga…
autotrophs
Organisms that synthesize their own nutrients using atmospher…
cellular communication
Recognizes and responds to chemical signals by using receptor…
10 terms
Dynamic Equilibrium 1
lipids
carbohydrates
proteins
autotroph
Fats
simple sugars
molecules made up of amino acids; needed to build and repair…
producer; makes own food; plant
lipids
Fats
carbohydrates
simple sugars
37 terms
Dynamic Equilibrium - 4
I. Non-reversible and reversible react…
II. Dynamic Equilibrium
A. Concentration
B. Equilibrium K
A. Non-reversible - reactants are consumed completely ... B. Re…
A. Rate forward reaction = rate reverse reaction ... 1.by concen…
Become constant
K value = Products / Reactants = 0.5
I. Non-reversible and reversible react…
A. Non-reversible - reactants are consumed completely ... B. Re…
II. Dynamic Equilibrium
A. Rate forward reaction = rate reverse reaction ... 1.by concen…
19 terms
The dynamic equilibrium of populations
population
community
ecosystem
Decomposers
a group of organisms belonging to the same species that can p…
all the populations in the ecosystem, including plants, anima…
a natural unit consisting of living and non-living components…
microorganisms that break down the organic compounds in dead…
population
a group of organisms belonging to the same species that can p…
community
all the populations in the ecosystem, including plants, anima…
42 terms
Dynamic Equilibrium Vocabulary
feedback mechanism
homeostasis
brain
cerebral palsy
a process that uses the conditions of one component to regula…
keeping a relatively stable internal environment while extern…
an organ that serves as the center of the nervous system
a group of disorders that can involve the brain and nervous s…
feedback mechanism
a process that uses the conditions of one component to regula…
homeostasis
keeping a relatively stable internal environment while extern…
32 terms
Unit 5 - Dynamic Equilibrium
Target cell
Exocrine gland
Endocrine gland
Pituitary gland
Any cell that has specific receptors for an antigen, antibody…
A gland that secretes a substance out through a duct (sweat,…
A gland that secretes hormones directly into the blood stream…
A small endocrine organ that controls a multitude of importan…
Target cell
Any cell that has specific receptors for an antigen, antibody…
Exocrine gland
A gland that secretes a substance out through a duct (sweat,…
Dynamic Equilibrium : Biological Macromolecules
Monomer
Polymer
Biochemistry
Organic Compounds
A single molecule that can be bonded w other similar molecules
A compound made up of many monomers bonded together
The study for molecules which react to ensure life
Compound containing a hydrocarbon group... Have a carbon "skelet…
Monomer
A single molecule that can be bonded w other similar molecules
Polymer
A compound made up of many monomers bonded together
10 terms
Chemistry- Dynamic Equilibrium
In what direction does water move
what does it mean to be aqueous
saturation
reversible reaction
moves towards high solute concentration
to be surrounded by water
concentration stops changing and reaction seems to stop
reaction where products can react to form the reactants
In what direction does water move
moves towards high solute concentration
what does it mean to be aqueous
to be surrounded by water
Static and Dynamic Equilibrium
Human ears are most sensitive to
"Static" Equilibrium reception occurs…
"Static" Equilibrium Structure
"Static" Equilibrium Function
1500 to 5000 cps
Attached to Stapes @ Oval Window (1/22 size of Tympanum)
Bony cavity with Saccule & Utricle containing Macula (Transdu…
Detect changes in: 1) head position @ stationary body and 2)…
Human ears are most sensitive to
1500 to 5000 cps
"Static" Equilibrium reception occurs…
Attached to Stapes @ Oval Window (1/22 size of Tympanum)
11 terms
Biology 3201 Dynamic Equilibrium
Central Nervous System (CNS)
Nervous System
Grey Matter
White Matter
Brain and Spinal Cord. This receives sensory information and…
A high-speed communication system which delivers information…
Nerve tissue consisting of mainly cell bodies within the brai…
The nerve tissue of brain and spinal cord, consisting of most…
Central Nervous System (CNS)
Brain and Spinal Cord. This receives sensory information and…
Nervous System
A high-speed communication system which delivers information…
14 terms
Biology dynamic equilibrium/ homeostasis
Homeostasis
Failure in Homeostasis
Dynamic Equilibrium
Feedback mechanism
The maintenance of internal stability despite external changes
Illness or death
"steady state"... It is used to describe small corrections that…
self- regulation
Homeostasis
The maintenance of internal stability despite external changes
Failure in Homeostasis
Illness or death
17 terms
Chem SL-Dynamic Equilibrium
Equilibrium
Dynamic Equilibrium
Equilibrium Constant
Reaction Quotient
No net change in concentration of reactants or products in a…
No net change in concentration of reactants or products and t…
Kc=Concentration of products at equilibrium/Concentration of…
Q=Concentration of products/concentration of reactants
Equilibrium
No net change in concentration of reactants or products in a…
Dynamic Equilibrium
No net change in concentration of reactants or products and t…
30 terms
Maintaining dynamic equilibrium
Nervous system
Central nervous system
Meninges
Cerebrospinal fluid
A system of communication that takes in sensory information t…
Receives sensory information and initiates motor control. Pro…
Protective membranes that surround the brain and spinal cord…
Fills the spaces within the meninges to create a cushion that…
Nervous system
A system of communication that takes in sensory information t…
Central nervous system
Receives sensory information and initiates motor control. Pro…
9 terms
Chem Dynamic equilibrium
increase volume
decrease volume
increase pressure
decrease pressure
most moles
fewest moles
fewest moles
most moles
increase volume
most moles
decrease volume
fewest moles
17 terms
Key Idea 5A- Dynamic Equilibrium (Biochemistry)
Biochemical process
Photosynthesis
Respiration
Mitochondria
a chemical process that occurs in a living thing; photosynthe…
The process by which energy from the sun is stored in glucose…
The process by which energy in glucose is converted into ATP;…
Powerhouse of the cell; Organelles in which respiration occurs
Biochemical process
a chemical process that occurs in a living thing; photosynthe…
Photosynthesis
The process by which energy from the sun is stored in glucose…
20 terms
Determinant error- dynamic equilibrium
Dererminant error
Dextrorotary
Diagonal relationship
Diagonal trend
An error associated with faulty equipment
A teen describing and optical isomer
A term indicating that two elements in period 2a and 3a and t…
A term describing the fact that some properties of atoms vary…
Dererminant error
An error associated with faulty equipment
Dextrorotary
A teen describing and optical isomer
27 terms
Maintaining Dynamic Equilibrium II
Homeostasis is the state of maintainin…
A nerve processes and sends informatio…
Hormones process and send information…
A nerve is a collection of axons that…
Define homeostasis. How is it done through the animal kingdom?
What is the function of a nerve?
What is the function of hormones?
What is a nerve?
Homeostasis is the state of maintainin…
Define homeostasis. How is it done through the animal kingdom?
A nerve processes and sends informatio…
What is the function of a nerve?
8 terms
Sense of Equilibrium: Dynamic
maintain balance when the head and bod…
dynamic equilibrium takes place in
ampulla are at ___ angles to the canal
hair cells extend into ____
dynamic equilibrium
the three semicircular canals
right
culpa (gelatin)
maintain balance when the head and bod…
dynamic equilibrium
dynamic equilibrium takes place in
the three semicircular canals
18 terms
Static & Dynamic Equilibrium Vocabulary
force
net force
tension
weight
an interaction between an object and its environment, often c…
the resulting sum of all forces acting on an object
the pulling force on an object due to an attached and taut st…
the downward pulling force on an object due to the gravitatio…
force
an interaction between an object and its environment, often c…
net force
the resulting sum of all forces acting on an object
Dynamic Equilibrium: Heart and Vavles
Right side
Left side
AV Valves... (Atrio-Ventricular)
Semilunar Vavle
Collects oxygen-poor blood from body and sends to lungs
Collects oxygen-rich blood from lungs and sends to body
Located between an atrium and ventricle... When it contracts, pr…
Located in 2 major arteries ... As they leave the heart they pre…
Right side
Collects oxygen-poor blood from body and sends to lungs
Left side
Collects oxygen-rich blood from lungs and sends to body
11 terms
Physics - Rotational Equilibrium and Dynamics
Angular Momentum
Center of Mass
Efficiency
Lever Arm
The product of a rotating object's moment of inertia and angu…
The point at which all the mass of the body can be considered…
A measure of how much input energy is lost compared with how…
The perpendicular distance from the axis of rotation to a lin…
Angular Momentum
The product of a rotating object's moment of inertia and angu…
Center of Mass
The point at which all the mass of the body can be considered…
8 terms
reversible reactions and dynamic equilibrium
what is a reversible reaction?
what does equilibrium mean?
what does dynamic equilibrium mean?
what is le chatelier's principle?
one where the products of the reaction can themselves react t…
the amount of chemicals stays the same
the forward and backward reactions are taking place at the sa…
if reactions in dynamic equilibrium are disturbed by changing…
what is a reversible reaction?
one where the products of the reaction can themselves react t…
what does equilibrium mean?
the amount of chemicals stays the same
8 terms
reversible reactions and dynamic equilibrium
what is a reversible reaction?
what does equilibrium mean?
what does dynamic equilibrium mean?
what is le chatelier's principle?
one where the products of the reaction can themselves react t…
the amount of chemicals stays the same
the forward and backward reactions are taking place at the sa…
if reactions in dynamic equilibrium are disturbed by changing…
what is a reversible reaction?
one where the products of the reaction can themselves react t…
what does equilibrium mean?
the amount of chemicals stays the same
10 terms
Chemistry | Chapter 6 | Dynamic Equilibrium
Dynamic Equilibrium
When will the environment be like in o…
Law of Mass action and rate law
Reversible reaction and the reactant a…
Occurs when the foreward and reverse rates are Equal... - These…
High entropy... Low gibbbs
- Different from the rate law... this has to do with the PROD…
The rates = equal at equilibrium... Concen. = NOT equal at equ.…
Dynamic Equilibrium
Occurs when the foreward and reverse rates are Equal... - These…
When will the environment be like in o…
High entropy... Low gibbbs
14 terms
LE Dynamic Equilibrium/ Homeostasis Sylvester 2016
Homeostasis
Dynamic Equilibrium
Feedback mechanism
Two types of feedback
The maintenance of internal stability despite external change…
the constant small corrections that normally occur to keep an…
Way the body controls the turning on and turning off of the v…
Positive feedback... Negative feedback
Homeostasis
The maintenance of internal stability despite external change…
Dynamic Equilibrium
the constant small corrections that normally occur to keep an…
6 terms
Rotational equilibrium and rotational dynamics
Torque
rotational kinetic energy
tightening lug nuts on vehicle
rope wrapped around a cylinder
T=rFsinO
KEr=1/2Iw^2
T=rFsinO --> F=T/rsinO
a) l=1/2(m)(r^2)-->T(r)=l(a)-->a=a/r-->W=m(g)-->N-T=kg(a)-->T…
Torque
T=rFsinO
rotational kinetic energy
KEr=1/2Iw^2
85 terms
Rotational Dynamics and Static Equilibrium
What is the relationship between torqu…
What is the general definition of torq…
What type of torque does radial force…
What are the units of torque?
-torque increases with the distance r from tne axis of rotati…
Torque = r (F sin theta)
-zero torque
N * m
What is the relationship between torqu…
-torque increases with the distance r from tne axis of rotati…
What is the general definition of torq…
Torque = r (F sin theta)
29 terms
Ch8: Rotational Equilibrium and Dynamics
Lever arm
torque
Center of mass
Moment of Inertia (I)
The perpendicular distance from the axis of rotation to a lin…
A quantity that measures the ability of a force to rotate an…
The point on some object/body at which all of its mass is con…
The tendency of a body to resist angular acceleration.
Lever arm
The perpendicular distance from the axis of rotation to a lin…
torque
A quantity that measures the ability of a force to rotate an…
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