Term
| What are the four things that affect reaction rates? |
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Definition
-physical state of reactants
-concentrations of the reactants
-the temperature at which it occurs
-the presence of a catalyst |
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Term
| T or F When chemical equilibrium is achieved, chemical reactions cease |
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Definition
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Term
| T or F- when chemical equilibrium is achieved, the rates of the forward and reverse chemical reactions are always constant |
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Definition
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Term
| T or F When chemical equilibrium is achieved, concentrations of reactants and products are constant. |
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Definition
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Term
| T or F When chemical equilibrium is achieved, the ratio of products over reactants is always 1 |
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Definition
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Term
| What are three ions with amphoteric properties in solution |
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Definition
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Term
| What does amphoteric mean |
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Definition
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Term
| What are the three laws of thermodynamics? |
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Definition
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Term
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Definition
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Term
| What characteristics cannot be explained by the electron sea model |
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Definition
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Term
| What are 4 properties of metals that were discussed in class |
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Definition
-conduct heat/electricity
-maleable
-shiny
-ductile |
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Term
| What factors determine whether a collision between two molecules will lead to a chemical reaction? |
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Definition
| the energy and orientation |
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Term
K<<1 then it is ...
K>>1 then it is... |
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Definition
product favored
reactant favored |
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Term
What is a bronstead lowry acid?
What is a bronstead lowry base? |
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Definition
-is a substance that donates a proton to another substance
-is a substance that accepts a proton from another substance |
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Term
What is a Lewis acid?
What is a Lewis base? |
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Definition
-its an electron pair acceptor
-its an electron pair donor |
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Term
| To percipitate AgCl, Hg2Cl2, or PbCl2 do what? |
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Definition
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Term
| to percipitate Cu, Bi, Cd, PbS etc add what |
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Definition
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Term
| What are the three laws of entropy? |
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Definition
1. energy is conserved
2. In a reversible process the entropy is 0, in an irreversible process the entropy of the universe is always increasing
3. entropy of a pure crystaline solid at 0 degrees k is zero |
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Term
| For a process to be spontaneous at all temperatures what must happen |
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Definition
| the Entropy (S) must be positive, the change in heat negative, the temp times change in entropy must be negative, and gibbs free energy must be negative |
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