What happens to a substances temperature during a phase change
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Definition1/7
The temperature either increases or decreases which causes the
different phase changes
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Term1/7
How is Hess's law used to measure enthalpy of a desired reaction
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Definition1/7
... Intermediate equations with known enthalpies are added
together.
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Term1/7
How is the Hfusion used to calculate the mass of solid that 1kJ of energy will melt
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Definition1/7
1kJ 1/Hfusion g/mol solid
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Term1/7
How does temperature affect spontaneity
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Definition1/7
If H and S have the same sign, the temperature will determine spontaneity.
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Term1/7
How is the Hfusion used to calculate the energy released when a mass of liquid freezes
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Definition1/7
Grams Liquid x mol/g x Hfusion
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Term1/7
How much energy is generated from freezing 2.5g water
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Definition1/7
0
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Term1/7
If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction you use for this intermediate reac
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Definition1/7
-572k
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Cards in this guide (7)
What happens to a substances temperature during a phase change
The temperature either increases or decreases which causes the
different phase changes
How is Hess's law used to measure enthalpy of a desired reaction
... Intermediate equations with known enthalpies are added
together.
How is the Hfusion used to calculate the mass of solid that 1kJ of energy will melt
1kJ 1/Hfusion g/mol solid
How does temperature affect spontaneity
If H and S have the same sign, the temperature will determine spontaneity.
How is the Hfusion used to calculate the energy released when a mass of liquid freezes
Grams Liquid x mol/g x Hfusion
How much energy is generated from freezing 2.5g water
0
If you need to multiply the following reaction by 2 to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction you use for this intermediate reac