CHEM101 Lecture Notes - Lecture 1: Chemical Polarity, Methanol, Potassium Iodate

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yellowcheetah570

22 Aug 2018

School

University of Alberta

Department

Chemistry

Course

CHEM101

Professor

All

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CHEM101 Full Course Notes

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Document Summary

Flame test- identi(cid:321)ies the p(cid:418)esen(cid:283)e o(cid:321) (cid:283)e(cid:418)tain elements (cid:282)(cid:482) o(cid:282)se(cid:418)(cid:475)in(cid:322) thei(cid:418) (cid:321)lame (cid:283)olou(cid:418). A spe(cid:283)t(cid:418)ophotomete(cid:418) is used to measu(cid:418)e the a(cid:282)so(cid:418)(cid:282)an(cid:283)e o(cid:321) (cid:283)e(cid:418)tain (cid:283)olou(cid:418). La(cid:418)(cid:322)e(cid:418) a (cid:475)alue means that mo(cid:418)e o(cid:321) the in(cid:283)ident li(cid:322)ht (cid:476)as a(cid:282)so(cid:418)(cid:282)ed. Plot o(cid:321) a a(cid:322)ainst the (cid:476)a(cid:475)elen(cid:322)th o(cid:321) the li(cid:322)ht is the atomi(cid:283) spe(cid:283)t(cid:418)um. Set up the spe(cid:283)t(cid:418)ophotomete(cid:418) to (cid:418)ead the a(cid:282)so(cid:418)(cid:282)an(cid:283)e o(cid:321) the sma(cid:418)tie (cid:476)ate(cid:418) solution. Load the sma(cid:418)ties test and (cid:418)un the test. P(cid:418)int o(cid:321)(cid:321) the spe(cid:283)t(cid:418)a o(cid:282)se(cid:418)(cid:475)ed and la(cid:282)el it (cid:476)ith the (cid:283)olou(cid:418) o(cid:321) the sma(cid:418)tie. Results in postla(cid:282): (cid:1680)(cid:1828) the in(cid:283)andes(cid:283)ent (cid:282)ul(cid:282) spe(cid:283)t(cid:418)um and the sunli(cid:322)ht spe(cid:283)t(cid:418)um (cid:476)e(cid:418)e (cid:282)oth pa(cid:418)t o(cid:321) the (cid:418)ain(cid:282)o(cid:476) spe(cid:283)t(cid:418)um. La(cid:282) b - stoi(cid:283)hiomet(cid:418)(cid:482) and rea(cid:283)tions in a(cid:417)ueous solutions. P(cid:418)o(cid:283)edu(cid:418)e to (cid:322)o (cid:321)(cid:418)om mass o(cid:321) su(cid:282)stan(cid:283)e a to mass o(cid:321) su(cid:282)stan(cid:283)e b: Mass o(cid:321) s. a. (cid:1827)(cid:322)(cid:1828) > mol s. a. > mol b/mol a > mol s. b. P(cid:418)o(cid:283)edu(cid:418)e: (cid:1680)(cid:1828) cut aluminum (cid:283)an into small s(cid:283)(cid:418)aps. Heat and (cid:476)ait (cid:321)o(cid:418) some o(cid:321) it to disappea(cid:418).

Related Questions

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