Term
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Definition
| a type of electrochemical cell that converts the energy released in a spontaneous chemical reaction into electrical energy |
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Term
What is oxidation?
What is reduction |
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Definition
Oxidation- losing electrons
Reduction- gaining electrons |
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Term
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Definition
| a type of chemical equation that shows the electrons either lost of gained by the reactants. |
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Term
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Definition
| the flow of electrons from one region to another that is driven by a difference in potential energy. |
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Term
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Definition
| In an electrochemical cell, the electrical conductors (anode and cathode) that serve as sites for chemical reactions |
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Term
| Whats an anode? A cathode? |
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Definition
an anode is the electrode at which oxidation takes place
A cathode is the electrode at which reduction takes place |
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Term
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Definition
| the difference in electrochemical potential between the two electrodes |
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Term
| Be able to identify a reaction as either oxidation or reduction |
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Definition
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Term
| The greater the difference in Potential, the greater the ______. |
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Definition
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Term
| current- the rate of electron flow. |
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Definition
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Term
| The voltage of a battery is generally determined by its _______________. |
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Definition
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Term
| What are the 7 types of batteries? |
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Definition
1. Alkaline
2. Lithium-iodine
3. Lithium-ion
4. lead-acid
5. nickel-cadmium
6. nickel-metal hydride
7. mercury |
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Term
| What does a car battery look like? |
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Definition
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Term
| What is a hybrid vehicle? |
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Definition
| A vehicle that runs on both gas and electricity |
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Term
| What was the first hybrid vehicle? |
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Definition
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Term
| What is a Plug-in hybrid electric vehicle? |
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Definition
| A vehicle made for short commutes. Runs on rechargable batteries, but can switch to a combustion engine for longer distances |
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Term
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Definition
| a galvanic cell that produces electricity by converting the chemical energy of a fuel directly into electricity without burning the fuel. |
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Term
| What is distributed generation? |
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Definition
| generating electricity on-site where it is used, thus avoiding loss of energy caused by electricity traveling far distances |
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Term
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Definition
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Term
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Definition
| the process of passing a direct current of electricity of sufficient voltage to cause a chemical reaction to occur. |
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Term
| what are electrolytic cells? |
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Definition
| a type of electrochemical cell in which electrical energy is converted to chemical energy |
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Term
| Know photoelectric cells use sunlight |
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Definition
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Term
| What are semi-conductors? |
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Definition
| a material that does not normally conduct electricity well, but can do so under certain conditions, such as exposure to sunlight. |
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Term
What are N-type semiconductors?
P-type semiconductors? |
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Definition
N-type semiconductors- a semiconductor in which there are freely moving negative charges (electrons).
P-type semiconductors- a semiconductor in which there are freely moving positive charges, or holes. |
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Term
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Definition
| the process of internationally adding small amounts of other elements to pure silicon to modify its semiconductor properties. |
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Term
| Who uses the most photoelectric cells in the world? |
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Definition
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Term
| places we get electricity in renewable resources |
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Definition
Solar
Wind
Water
Geothermal |
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