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11 Cards in this Set
- Front
- Back
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Define oxidization |
Loss of electrons (Leo) |
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What are the exceptions of hydrogen's oxidation number? |
When H is bonded to a less elextronegitive element (LiH) it's oxidation number is - 1 |
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What is the exceptions to oxygen's oxidation number? |
When O is in peroxides it's number is - 1; it's oxidation number is +2 in OF2 |
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If the oxidation number goes up from the reaction to the product, is it oxidizing or reducing? |
Oxidizing. e- and ox# are inversely proportional to each other. |
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What are the units for charge (q)? |
C coulombs |
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What are the units for current (I) |
Amps A=C/s coulomb per second |
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What are the units for potential difference/voltage? V or E |
Volts V=J/C |
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What are the units for power (P)? |
Watts W=J/s |
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A primary cell's chemicals diminish over time. What happens to a secondary cell? |
You can apply a charge and force the reaction to go backwards. |
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The reducing agent is what end of the battery? |
Cathode (RedCat) |
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To calculate a cells potential difference what formula is used? |
Change delaE°=E°r (cat) - E°r (an) |
