Chem 2
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Alpha Partical | Subtracts
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| Beta Partical | Adds
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| Second Law of Thermodynamics | In spontaneous process there is an increase in the entropy of the universe
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| Third Law of Thermodynamics | The entropy of a perfect crystal at 0
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| Electrolysis | Forcing a current through a cell to drive a non spontaneous reaction to occur
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| Irreversible Process | System must take another path to return to its natural state
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| Gibbs Free Energy | Change G= Change H- (T) Change S
and
Change G= Change G final- Change G Initial
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| Electrochemistry | Study of relationships between electricity and chemical reactions
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| Oxidation | Loss of electrons
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| Reduction | Gain of electrons
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| Voltaic Cell | Use of electricity from spontaneous redox reaction to generate electricity by transfer of electron through external pathway
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| Anode | Oxidation
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| Cathode | Reduction
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| Ecell | Ecell= Cathode- Anode
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| Salt Bridge | Allows for passage on ions to maintain electrical neutrality
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| Cell Potential | Driving force for electron flow also EMF or Electromotive Force
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| Battery | Voltaic cell or series of voltaic cells
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| Fuel Cells | Voltaic cell with constant potential because reactants are constantly added
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| Corrosion | Natural occurring oxidation of metals
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| Nucleons | Subatomic particles
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| Atomic Number | Protons
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| Mass Numbers | Sum of protons and neutrons in a nuclide
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| Isotope | Atom with a particular number of neutrons in a nucleus
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| Radioactivity | Decay of an unstable nucleus by emission of particles and/or electromagnetic radiation
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| Positron | Has electron in the equation
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| Spontaneous Process | Occurs without outside intervention
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| First Law of Thermodynamics | Law of Conservation of Energy
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| Enthalpy | Change in H
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| Exothermic | H is more than 0
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| Endothermic | H is less than 0
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| Reversible Process | Change to system is made in such a way that the system can be restored to original state by exactly reversing the change
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| Entropy | Change in S
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| Fission | Splitting of heavy nuclei
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| Fusion | Combining of lighter nuclei into heavier nuclei
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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