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17 Cards in this Set
- Front
- Back
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In regard to sponteniety, when a system is at equilibrium... |
Th process is not spontaneous in either direction |
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Oxidation numbe of Manganese in MnO2 |
+4 |
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A reavtion that is spontaneous as written will... |
Proceed without outside intervention |
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The entropy is the universe is... |
Continually increasing |
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Solid to gas or liquid |
+H and +S |
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Gas to solid or liquid |
-H and -S |
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Liquid to gas |
+H and +S |
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Liquid to solid |
-H and -S |
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Enthalpy symbol |
Delta H |
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Entropy symbol |
Delta S |
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For a reaction to be spontaneous under standard conditions at all temperatures, the signs of the delta H and delta S must be _______ and _______ respectively. |
Negative and positive |
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If delta G for a reaction is greater than zero, then __________. |
K is less than 1 |
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The gain of electrons by an element is called... |
Reduction |
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The loss of electrons by an element is called... |
Oxidation |
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In a voltaic cell, electrons flow from the ________ to the ________. |
Anode, cathode |
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The purpose of the salt bridge in an electrochemical cell is to... |
Maintain electrical neutrality in the half-cells via migration of ions. |
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One of the differences between a voltaic cell and an electrolytic cell is that in an electrolytic cell... |
A nonspontaneous reaction is forced to occur. |
