Study sets matching "thermodynamics"

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Study sets matching "thermodynamics"

14 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
12 terms
Thermodynamics
Conduction
Thermal Equilibrium
Heat
Convection
Form of heat transfer where heat energy is directly transferr…
The state in which the rate of energy flow between two object…
Energy that is transformed as a consequence of temperature di…
The circulation of particles within a material caused by diff…
Conduction
Form of heat transfer where heat energy is directly transferr…
Thermal Equilibrium
The state in which the rate of energy flow between two object…
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Heat
Specific Heat
The study of heat.
In a hot body the particles move faster and thus have greater…
The energy that flows between two objects as a result of a te…
The amount of energy that must be added to raise the temperat…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
17 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
Thermodynamics
vaporization
sublimation
phase diagram
critical temperature
the escape of molecules of a liquid from the surface to form…
a process in which a substance goes directly from a solid to…
represents phases as a function of temperature and pressure.
temperatures above which the gas cannot be turned into a liqu…
vaporization
the escape of molecules of a liquid from the surface to form…
sublimation
a process in which a substance goes directly from a solid to…
23 terms
Thermodynamics
Celsius
closed system
conduction
convection
of or denoting a scale of temperature in which water freezes…
is a physical system that does not allow certain types of tra…
the process by which heat or electricity is directly transmit…
the movement caused within a fluid by the tendency of hotter…
Celsius
of or denoting a scale of temperature in which water freezes…
closed system
is a physical system that does not allow certain types of tra…
22 terms
Thermodynamics
metabolism
catabolic pathway
anabolic pathways
entropy (S)
constant inflow and output of energy that are responsible for…
degrades food molecules and extracts useful biomolecules
rebuilds biomolecules extracted from the catabolic pathways
temperature-dependent measure of disorder within a system ... S>…
metabolism
constant inflow and output of energy that are responsible for…
catabolic pathway
degrades food molecules and extracts useful biomolecules
28 terms
Thermodynamics
Temperature
Heat (q)
Work (w)
Two ways of transferring energy
Property that reflects the random motions of the particles
Transfer of energy between two objects due to a temperature d…
A force acting over distance. In terms of energy, how energy…
Work and heat
Temperature
Property that reflects the random motions of the particles
Heat (q)
Transfer of energy between two objects due to a temperature d…
95 terms
Thermodynamics
energy
one way flow of energy
calorie
joule
the ability to do work
What is represented in this figure?
energy required to raise 1 gram if water 1 degree Celsius, th…
energy required to raise 1 gram if water 1 degree Celsius, th…
energy
the ability to do work
one way flow of energy
What is represented in this figure?
Thermodynamics
Thermodynamics... 'therme' & 'dynamis'
Potential energy ... definition
Potential energy ... molecular level
Kinetic energy... definition
Heat & Power
energy based on position or configuration
chemical energy is stored in the position of electrons
energy of motion
Thermodynamics... 'therme' & 'dynamis'
Heat & Power
Potential energy ... definition
energy based on position or configuration
36 terms
Thermodynamics
Enthalpy
Exothermic
Endothermic
Hess Law
1.Heat content of a specific amount of a substance
1. A process that releases energy... 2.Reactants have a higher p…
1.A process that absorbs energy... 2.Reactants have lower potent…
1. The enthalpy of a given chemical reaction is constant, reg…
Enthalpy
1.Heat content of a specific amount of a substance
Exothermic
1. A process that releases energy... 2.Reactants have a higher p…
Thermodynamics
What is the zeroth law of thermodynami…
Describe objects in thermal equilibrium.
What does the zeroth law state?
What is temperature?
Objects are in thermal equilibrium when they are at the same…
They experience no net exchange of heat energy
Transitive property in thermal systems: If a = b and b = c, t…
- qualitative measure of how hot or cold an object is... - quant…
What is the zeroth law of thermodynami…
Objects are in thermal equilibrium when they are at the same…
Describe objects in thermal equilibrium.
They experience no net exchange of heat energy
Thermodynamics
Entropy
Gibb's free energy
Endothermic reaction
Exothermic reaction
The entropy of a system is therefore a measure of the degree…
∆G determines whether a chemical or physical process will occ…
An endothermic reaction is one that absorbs heat from the sur…
An exothermic reaction is one that releases heat to the surro…
Entropy
The entropy of a system is therefore a measure of the degree…
Gibb's free energy
∆G determines whether a chemical or physical process will occ…
43 terms
Thermodynamics
What are the three laws of thermodynam…
What are the 3 ways can you say the 2n…
Explain the 3rd law of thermodynamics
Explain the variables of the 1st Law o…
1) Conservation of energy (Energy can't be created or destroy…
For a spontaneous process:... 1) the entropy of the universe inc…
When you cool a crystal down, the elements vibrate less and l…
ΔE=q+w... ΔE= change in internal energy... q= heat (in or out of s…
What are the three laws of thermodynam…
1) Conservation of energy (Energy can't be created or destroy…
What are the 3 ways can you say the 2n…
For a spontaneous process:... 1) the entropy of the universe inc…
Thermodynamics
Standard enthalpy change of reaction (…
Entropy
Gibb's free energy
Hess's law
Standard enthalpy change is the heat transferred during a rea…
The entropy of a system is therefore a measure of the degree…
∆G determines whether a chemical or physical process will occ…
The enthalpy change for any chemical reaction is independent…
Standard enthalpy change of reaction (…
Standard enthalpy change is the heat transferred during a rea…
Entropy
The entropy of a system is therefore a measure of the degree…
14 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Temperature
Heat
The study of heat.
In a hot body the particles move faster and thus have greater…
It represents the average kinetic energy of particles in a ob…
The energy that flows between two objects as a result of a te…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
Thermodynamics
Temperature
Thermometer
Fahrenheit
Celsius
a measure of how hot or cold an object is.
an instrument used to measure temperature
a temperature scale on which freezing point of water is 32 de…
Temperature scale where zero is assigned to the temperature w…
Temperature
a measure of how hot or cold an object is.
Thermometer
an instrument used to measure temperature
6 terms
Thermodynamics
Thermodynamics
Laws of thermodynamics
The First Law
The Second Law
Study of energy
There are four laws of thermodynamics
It states that energy or matter can neither be created nor de…
In any cyclic process the entropy will either increase or rem…
Thermodynamics
Study of energy
Laws of thermodynamics
There are four laws of thermodynamics
12 terms
Thermodynamics
Thermodynamics
Heat
Three types of Thermodynamic Systems
Entropy
the branch of science (physics) that studies the conversion o…
A transfer of thermal energy which occurs from a warmer objec…
Open, Closed, Isolated
A measure of molecular disorder within a macroscopic system
Thermodynamics
the branch of science (physics) that studies the conversion o…
Heat
A transfer of thermal energy which occurs from a warmer objec…
thermodynamics
conduct
conductor
convection
energy
to allow heat or electricity to pass through easily (related…
a material that transmits energy (related word: conduct)
the transfer of heat through a fluid
the ability to do work or cause change; the ability to move a…
conduct
to allow heat or electricity to pass through easily (related…
conductor
a material that transmits energy (related word: conduct)
14 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
17 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
22 terms
Thermodynamics
What is thermodynamics?
What are the systems in thermodynamics?
What is the Zeroth law of thermodynami…
What is the 1st law of thermodynamics?
Study of heat and energy. ... Basic idea: energy can be exchange…
1. Open system - exchange heat, work (energy) & matter... i.e.…
Two objects in thermodynamic equilibrium with a third object…
Conservation of energy: neither mass nor energy can be destro…
What is thermodynamics?
Study of heat and energy. ... Basic idea: energy can be exchange…
What are the systems in thermodynamics?
1. Open system - exchange heat, work (energy) & matter... i.e.…
51 terms
Thermodynamics
Open System
Closed System
Isolated System
Work
A system that can exchange both matter and energy with its su…
A system containing a fixed amount of matter; it can still ex…
An isolated system exchanges no heat and no matter with its s…
The process of achieving motion against an opposing force.... I…
Open System
A system that can exchange both matter and energy with its su…
Closed System
A system containing a fixed amount of matter; it can still ex…
26 terms
Thermodynamics
Thermal equilibrium
Zeroth Law of Thermodynamics
First Law of Thermodynamics
∆U =
The condition whereby two objects are at the same temperature…
If objects A and B are each in thermal equilibrium with objec…
Energy cannot be created or destroyed.
Q + W
Thermal equilibrium
The condition whereby two objects are at the same temperature…
Zeroth Law of Thermodynamics
If objects A and B are each in thermal equilibrium with objec…
14 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
28 terms
Thermodynamics
Temperature
Heat (q)
Work (w)
Two ways of transferring energy
Property that reflects the random motions of the particles
Transfer of energy between two objects due to a temperature d…
A force acting over distance. In terms of energy, how energy…
Work and heat
Temperature
Property that reflects the random motions of the particles
Heat (q)
Transfer of energy between two objects due to a temperature d…
Thermodynamics
Entropy
Endothermic reaction
Exothermic reaction
Second law of thermodynamics
a measure of the degree of randomness
An endothermic reaction is one that absorbs heat from the sur…
An exothermic reaction is one that releases heat to the surro…
In an isolated system, natural processes are spontaneous when…
Entropy
a measure of the degree of randomness
Endothermic reaction
An endothermic reaction is one that absorbs heat from the sur…
Thermodynamics
Entropy
Gibb's free energy
Endothermic reaction
Exothermic reaction
The entropy of a system is therefore a measure of the degree…
∆G determines whether a chemical or physical process will occ…
An endothermic reaction is one that absorbs heat from the sur…
An exothermic reaction is one that releases heat to the surro…
Entropy
The entropy of a system is therefore a measure of the degree…
Gibb's free energy
∆G determines whether a chemical or physical process will occ…
Thermodynamics
vaporization
sublimation
phase diagram
thermodynamics
the escape of molecules of a liquid from the surface to form…
a process in which a substance goes directly from a solid to…
represents phases as a function of temperature and pressure.
the study of energy.
vaporization
the escape of molecules of a liquid from the surface to form…
sublimation
a process in which a substance goes directly from a solid to…
Thermodynamics
Closed System
Isolated System
Open System
Conduction
A system whose boundaries do not allow the transfer of energy…
Same as a closed system, there is no transfer of energy to su…
A system that allows the transfer of energy between the syste…
The transfer of heat energy from particle to particle within…
Closed System
A system whose boundaries do not allow the transfer of energy…
Isolated System
Same as a closed system, there is no transfer of energy to su…
25 terms
Thermodynamics
Entropy
Internal Energy
Fusion
Saturation Pressure
A thermodynamic property that was first introduced by Clausiu…
The measure of the unavailable energy in an irreversible proc…
The change of a pure substance from solid to liquid phase.
It refers to the pressure of the system in which change of ph…
Entropy
A thermodynamic property that was first introduced by Clausiu…
Internal Energy
The measure of the unavailable energy in an irreversible proc…
Thermodynamics
Conduction
Convection
Radiation
Conduction
Energy is transferred by direct contact.
Energy is transferred by the mass motion of molecules.
Energy is transferred by electromagnetic radiation.
Transfer of thermal energy between things that are touching.
Conduction
Energy is transferred by direct contact.
Convection
Energy is transferred by the mass motion of molecules.
95 terms
Thermodynamics
energy
one way flow of energy
calorie
joule
the ability to do work
What is represented in this figure?
energy required to raise 1 gram if water 1 degree Celsius, th…
energy required to raise 1 gram if water 1 degree Celsius, th…
energy
the ability to do work
one way flow of energy
What is represented in this figure?
24 terms
Thermodynamics
Energy
Law of conservation of energy
Heat
1 kcal is
The ability to do work, produce heat
energy in the universe is constant and can't be destroyed, on…
a flow of energy due to a temp difference, aka a spontaneous…
1000 cal
Energy
The ability to do work, produce heat
Law of conservation of energy
energy in the universe is constant and can't be destroyed, on…
Thermodynamics
Celsius
closed system
conduction
convection
A temperature scale in which water freezes at 0 degrees and b…
matter is not allowed to enter or leave
Form of heat transfer where heat energy is directly transferr…
Process by which, in a fluid being heated, the warmer part of…
Celsius
A temperature scale in which water freezes at 0 degrees and b…
closed system
matter is not allowed to enter or leave
Thermodynamics
Closed System
Isolated System
Open System
Conduction
A system whose boundaries do not allow the transfer of energy…
Same as a closed system, there is no transfer of energy to su…
A system that allows the transfer of energy between the syste…
The transfer of heat energy from particle to particle within…
Closed System
A system whose boundaries do not allow the transfer of energy…
Isolated System
Same as a closed system, there is no transfer of energy to su…
Thermodynamics
Closed System
Isolated System
Open System
Conduction
A system whose boundaries do not allow the transfer of energy…
Same as a closed system, there is no transfer of energy to su…
A system that allows the transfer of energy between the syste…
The transfer of heat energy from particle to particle within…
Closed System
A system whose boundaries do not allow the transfer of energy…
Isolated System
Same as a closed system, there is no transfer of energy to su…
36 terms
Thermodynamics
Enthalpy
Exothermic
Endothermic
Hess Law
1.Heat content of a specific amount of a substance
1. A process that releases energy... 2.Reactants have a higher p…
1.A process that absorbs energy... 2.Reactants have lower potent…
1. The enthalpy of a given chemical reaction is constant, reg…
Enthalpy
1.Heat content of a specific amount of a substance
Exothermic
1. A process that releases energy... 2.Reactants have a higher p…
Thermodynamics
Conservation of energy
Thermodynamics 1st law
Thermodynamics 2nd law
Calorimetry
states that the total energy of an isolated system remains co…
the internal energy of a system has to be equal to the work t…
that the state of entropy of the entire universe, as an isola…
he process of measuring the amount of heat released or absorb…
Conservation of energy
states that the total energy of an isolated system remains co…
Thermodynamics 1st law
the internal energy of a system has to be equal to the work t…
34 terms
Thermodynamics
0rth law of thermo
temperature
heat
Fahrenheit
if A is in thermo equilibrium with B and... B is in thermo equil…
temperature - average KE of the particles that make up the su…
transfer of thermal energy from a hotter object with higher t…
F=9/5C +32
0rth law of thermo
if A is in thermo equilibrium with B and... B is in thermo equil…
temperature
temperature - average KE of the particles that make up the su…
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
16 terms
Thermodynamics
Thermodynamics 1st laws
Thermodynamics 2nd laws
calorimetry
conservation of energy
Energy is conserved; it can be neither created nor destroyed.
In an isolated system, natural processes are spontaneous when…
the measurement of the quantity of heat exchanged.
a principle stating that energy cannot be created or destroye…
Thermodynamics 1st laws
Energy is conserved; it can be neither created nor destroyed.
Thermodynamics 2nd laws
In an isolated system, natural processes are spontaneous when…
15 terms
Thermodynamics
Thermodynamics
Thermal equilibrium
Thermal energy
Heat
Study of heat
When 2 objects are at the same temperature
Energy of heat
Two systems with different temperatures that are in thermal c…
Thermodynamics
Study of heat
Thermal equilibrium
When 2 objects are at the same temperature
54 terms
Thermodynamics
thermodyanmics
extensive properties... intensive proper…
temperature
temperature vs. heat
study of energy transfer and change (macroscopic level)... bala…
changes when system changes (add 2 systems together, what cha…
amount of molecular movement in a substance;... translational, r…
amount of molecule movement ... random molecule collisions betw…
thermodyanmics
study of energy transfer and change (macroscopic level)... bala…
extensive properties... intensive proper…
changes when system changes (add 2 systems together, what cha…
16 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
Thermodynamics
Zeroth Law of Thermodynamics
Temperature
Thermal Expansion
Systems
Objects are in thermal equilibrium when they are at the same…
qualitative measure of how hot or cold an object is; related…
describes how a substance changes in length or volume as a fu…
System: portion of universe that we are interested in studyin…
Zeroth Law of Thermodynamics
Objects are in thermal equilibrium when they are at the same…
Temperature
qualitative measure of how hot or cold an object is; related…
17 terms
Thermodynamics
Thermodynamics
Kinetic-molecular Theory
Thermal Energy
Temperature
The study of heat.
In a hot body the particles move faster and thus have greater…
The overall energy of motion of the particles that make up an…
The hotness of an object. It represents the average kinetic e…
Thermodynamics
The study of heat.
Kinetic-molecular Theory
In a hot body the particles move faster and thus have greater…
30 terms
Thermodynamics
Isolated
Closed
Open
First law of thermodynamics
The system cannot exchange energy (heat and work) or matter w…
The system can exchange energy but not matter with the surrou…
The system can exchange both energy and matter with the surro…
the change in the total internal energy of a system is equal…
Isolated
The system cannot exchange energy (heat and work) or matter w…
Closed
The system can exchange energy but not matter with the surrou…
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