CATALYSIS DEMONSTRATIONSWITH Cr,O, Arhnrillcrl /I!/: T
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Thomns S. Briggs, Gnlilrn High School, 1150 l~rnnciseoSt., Snn Frnnrisco, Cnlifornin 94109 Aclrlr Hoskin, Hirnm Collcgc, Hirnm, Ohio 442M
mnny snhstnncrs.' .4dd rneh of t h r ~~ortflnmmnhlr suhstallcrs to lw trstcul to srpnrntr pilrs of the Cr?Os I'rovitlr (xII,)?C:r?O, !uld 11 cnIIwlioll of 0 ~ i d i ~ ~ h I Pcnt:llyst nnd ignitr r:ich with n hurning splint. In e o n ~ l m ~ ~wlticlt t d s are 11o1 flnmmnl~lrin air, euclt ns e ; ~ c lresr ~ n rcul glow npprnrs \vhrrr the r d u r i t ~ gngrnt glyrc~rinr,glari:~l ncrtic ncid, sodium ncrtntc, pnrncontncts dry c:~t:tlyst nttrl nuidntion procreds without n r l i r l t l ~ r r ~ ~ l ~trt n trnl~rnmort s ~ ~ ~ ~ ~ hnnr, ~, 247, S I L (:q),rtc. flnmr. ;\void 11rr:tthing t h r romhr~stion proclurts. PREPARATION
DEMONSTRATION
I ' r q n r r t h r ('r& cntnlysl hy igniting the ( S H & Cr,O; u~trlcrt h r 11wcl.l It suplmrts it.; own comln~stio~t. \ I : (S11&(:r20; is vrry irritnting to t h r ryes n 1 ~ lungs 1 and ran ruploclr ou rontnet witlt
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Jwrnal of Chemical Education
