Exam #2 – Chemistry – Flashcards
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| eV in Joules |
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| 1.602 E-19 J |
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| Units of Joules |
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| kg*m^2/s^2 |
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| mass of electron |
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| 9.109 E -31 kg |
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| planck's constant (h) |
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| 6.626 E-34 J*s |
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| Avagadro's constant |
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| 6.022 E 23 |
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| Energy from frequency |
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| E = hf |
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| Energy from wavelength |
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| E = h*c/? |
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| Relationship between c, f, ? |
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| f*? = c |
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| Value of c |
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| 3 E 8 |
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| ammonium |
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| NH_4 + |
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| nitrite |
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| NO_2 -1 |
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| nitrate |
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| N0_3 -1 |
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| sulfite |
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| SO_3 2- |
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| sulfate |
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| SO_4 2- |
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| hydrogen sulfate |
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| HSO_4 1- |
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| hydroxide |
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| OH 1- |
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| Cyanide |
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| CN 1- |
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| phosphate |
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| PO_4 3- |
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| hydrogen phosphate |
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| HPO_4 2- |
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| dihydrogen phosphate |
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| H_2PO_4 1- |
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| carbonate |
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| CO_3 2- |
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| hydrogen carbonate |
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| HCO_3 1- |
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| hypochlorite |
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| ClO 1- |
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| chlorite |
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| ClO_3 1- |
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| chlorate |
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| ClO_3 1- |
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| perchlorate |
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| ClO_4 1- |
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| acetate |
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| C2H3O2 1- |
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| permanganate |
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| MnO4 1- |
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| chromate |
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| CrO4 2- |
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| dichromate |
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| Cr207 2- |
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| peroxide |
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| O2 2- |
