Thermodynamics is the branch of physics concerned with the
conversion of different energy forms.
•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) =
-R T ln K •
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Term1/12
What does hess's law state
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Definition1/12
The Enthalpy of a reastion is the sum of the enthalpies of
intermediate reactions
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Term1/12
How is an endothermic reaction identified
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Definition1/12
It requires heat as a reactant.
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Term1/12
What defines an exothermic reaction
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Definition1/12
A reaction that produces heat
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Term1/12
What is true of the enthalpy value of an intermediate reaction
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Definition1/12
It is multiplied by 2 if the intermediate reaction is multiplied
by 2
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Term1/12
What is specific heat a measure of
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Definition1/12
The amount of energy it takes to change the temperature of a
substance by a certain amount.
How much energy it takes to heat a substance ~APEX
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Term1/12
How is the Hfusion used to calculate the energy required to vaporize a volume of liquid
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Definition1/12
Liters liquid 1000ml/1L g/ml mol/g Hfusion
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Term1/12
What most determines the entropy of a solid
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Definition1/12
The crystalline structure of the solid most determine the
entropy of a solid.
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Term1/12
What does a negative change in entropy indicate
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Definition1/12
The system has become more ordered.
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Term1/12
What does a negative H tell about a reaction
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Definition1/12
The reaction is exothermic.
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Term1/12
A solid fuel designed for a rocket has air pocket inside what is the danger of this
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Definition1/12
The rocket might explode from the added pressure when the combustion reaction hits the air.
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Term1/12
Which of the following is the best thermal insulator APEX
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Definition1/12
Air
(Explanation): water has a high specific heat capacity, but it can boil. stone (😂) also is a good thermal insulator, but it can get really hot. Metal is a very good thermal conductor, so it is definitely not that. Therefore, air is the best (its also really hard to boil).
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Cards in this guide (12)
What is thermodynamics
the study of the movement of energy and heat.
or
Thermodynamics is the branch of physics concerned with the
conversion of different energy forms.
•DeltaG (rxn) = DeltaG (pdts) - DeltaDG (rcts) •DeltaG°(rxn) =
-R T ln K •
What does hess's law state
The Enthalpy of a reastion is the sum of the enthalpies of
intermediate reactions
How is an endothermic reaction identified
It requires heat as a reactant.
What defines an exothermic reaction
A reaction that produces heat
What is true of the enthalpy value of an intermediate reaction
It is multiplied by 2 if the intermediate reaction is multiplied
by 2
What is specific heat a measure of
The amount of energy it takes to change the temperature of a
substance by a certain amount.
How much energy it takes to heat a substance ~APEX
How is the Hfusion used to calculate the energy required to vaporize a volume of liquid
Liters liquid 1000ml/1L g/ml mol/g Hfusion
What most determines the entropy of a solid
The crystalline structure of the solid most determine the
entropy of a solid.
What does a negative change in entropy indicate
The system has become more ordered.
What does a negative H tell about a reaction
The reaction is exothermic.
A solid fuel designed for a rocket has air pocket inside what is the danger of this
The rocket might explode from the added pressure when the combustion reaction hits the air.
Which of the following is the best thermal insulator APEX
Air
(Explanation): water has a high specific heat capacity, but it can boil. stone (😂) also is a good thermal insulator, but it can get really hot. Metal is a very good thermal conductor, so it is definitely not that. Therefore, air is the best (its also really hard to boil).