Chem 1AL
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Created by:
nguyenMAAAY on August 7, 2011
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17 terms
Terms | Definitions |
|---|---|
 energy of the photon | fixed and cannot by altered |
| intensity of a beam | the amount of photons in that beam, an amount that can be modified |
| extinction coefficient | a measure of the efficiency of absorption at a given wavelength; slope of the line |
| high precision | the test was consistently performed which is important when performing quantitative measurements, such as titration |
| exact moles | moles of concentrated solution is equal to moles of diluted solution |
| ionic compounds | when metals bond to nonmetals |
| covalent compounds | when nonmetals bond to nonmetals |
| heat capacity | the amount of heat required to alter the temperature of a substance by one degree |
| calorimeter | an instrument that measures the amount of calories (heat energy) in a substance |
| Hess's Law | used to calculate the total energy required for chemical reactions; all the individual enthapy adds up to get the total enthapy |
| strong acids | donate protons in solution and completely dissociate in water |
| strong bases | dissociate into hydroxide ions in solution completely |
| insoluble salt | not much reactants dissolved into products, so there are more reactants than products. K would have a low value because its concentration of products is lower than its concentration of reactants. |
| low pH | strong acid |
| high pH | weak acid |
| H | kJ |
| S | kJ/K |
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