IMG_0001_NEW_0010

IMG_0001_NEW_0010 - i-p i of I mol of gas by I K at...

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Heat (a) i sl stem and its sunoundings as a result of i- I temperature diflbrence Temperature : average kinetic energy Heat "flows" until average kinetic energies ofthe system and surroundings are equal . q : mass of substance x specific heat x temperature change . Erothermic reaction ) Enthalpy (14 ,ri energr'. chemists often use enthalpy: ..:::l. .sphere'. '1 "' . ' ' i> ;r,nstant BUT volume can change canied out at constant pressure .',rk is P\,'rvork: 'E - ,1 - r,' I;.,L"n.) 5 =,1- - PJI ' so that qo: AE + PAV ,,,. - heat t-lorv at g-gjtstant presswe) ..--t-,lnr j - !- '.-rrl -\. -, E=5-SrPl')=JE*PAL'or - :...-.i,il\ ;.lt COnstant preSsure . .,. .:s ireat Heat capacity Heat Capacity Specific heat capacity:aheat required to change the temperature of I g of a substance by 1 K iVlolar heat capacit_v: heat required to change the temperature of one mole of a substance by I K Cr,= h.ut required to raise the temperature of I mol of gas by 1 K at gonstant volglng* C,,.: heat required to raise the temperature
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This note was uploaded on 12/27/2011 for the course CHEM 122 taught by Professor Williams during the Fall '10 term at Simon Fraser.

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