CHEM 162 Final Review

Similar functional groups always denotate where the

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similar functional groups always denotate where the double/triple bond is pentagon with a circle is always Benzene
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03:14 Random info If standard reduction potential (Enot)>0 then the reaction is not spontaneous Lewis acid= electron pair acceptor Lewis base= electron pair donor During a chemical reaction Reactants used up and products are formed The reaction takes time Final concentrations approach those on the right hand side of the figure Rate of change of a molecule’s concentration (slope) changes with time Rate of consumption is negative Rate of production is positive Reverse rate laws, k has subscript of -1 Remember always ONLY write the reactants for rate eqns Hdelta: kJ mol^-1 Standard enthalpy of formation-  energy that accompanies the formation of 1 mole in  standard state of the element to from the standard states of its constituent elements in  their standard states Enthalpy- internal energy of a system If vapor pressure is large, it is volatile As IMF increase, the Pvap decreases When pressure is reduced (in atmosphere, ex the mountains) boiling point is lowered Less heat to achieve Patm=Pvap Hydrogen bonds Only F, O, and N S-P mixing Only B, C, and N Higher surface tension, higher boiling point A(not) = 10^-10 m Diamond- sigma bonds Graphite- pi bonds Pico = 10^-12
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