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| cannot exchange energy nor matter |
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| can exchange energy but not matter |
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| can exchange energy and matter |
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| temperature remains constant |
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| pressure remains constant |
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| a measure of the average kinetic energy of the particles in a system |
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| a specific form of energy which can leave or enter a system |
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| equation for heat absorbed or released in a given process: |
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| pressure, temperature, volume, enthalpy, entropy, free energy, and internal energy |
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| 25 degrees C 1 atm and 1 M concentrations |
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| NOT equal to standard conditions! |
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| 0 degrees Celsius and 1 atm |
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| change in enthalpy of a process is equal to |
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Definition
| the heat absorbed or given off by the system |
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| standard heat of formation: |
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Definition
| deltaHf = enthalpy change if one mole of a compound were formed from its elements in their standard state |
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Term
| standard heat of formation for a element in its standard state is |
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Definition
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| standard heat of reaction |
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Definition
| delta H rxn = sum of delta H products - sum of delta H reactants |
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| enthalpies of reactions are additive |
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| heat required to transform into a gas |
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| also called bond dissociation energy; energy required to break a particular type of bond in one mole of gaseous molecules |
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| the maximum amount of energy released by a process that is available to perform work |
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| nonsponteanous at all temps |
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| spontaneous at high temps |
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| delta g knot of any element is |
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