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16 Cards in this Set
- Front
- Back
What is an isochoric process: |
Same Volume |
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What is heat |
Form of energy that can easily transfer to or from a system due to temperature difference |
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What is enthalpy |
Heat absorbed or given off by the system at constant pressure |
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ΔHrxn= |
H products - H reactants |
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What is the standard heat of formation |
Enthalpy change occurs if 1 mole or compound formed duringevery standard condition |
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What is the standard heat of reaction |
Enthaly change that occurs when reaction is carried out under standard conditions (Sum of ΔHf products) - (sum of ΔHf reactants) |
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What is the bond dissociation energy |
Energy needed to break a specific chemical bond in 1 mol of gaseous molecules
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Is bond breaking exothermic or endothermic |
Endothermic
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Is bond formation exothermic or endothermic |
Exothermic |
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How to calculate delta H reaction from bond dissociation energy |
delta H of bonds broken - delta H of bonds formed |
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waht is the order of entropy for the different phases |
Solid < liquid < gas |
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When does the system reach maximum entropy |
At equilibrium |
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ΔG = |
H - T ΔS |
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How to calculate ΔG rxn |
G of products - G of reactants |
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ΔG = in temrs of Q |
ΔG° + RTlnQ |
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x |
x |