Reaction Kinetics A2 chem, Summaries of Chemistry

Summarised notes for Reaction kinetics plus past paper questions.

Typology: Summaries

2025/2026

Available from 05/31/2026

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>RAE; Change tn te ef Reacant/ Popo it. (s/m) —mol/ da? => roll/dini? 6°* § or roat/ doi ron => Orver OF Reaction, +The pacer b which coventratio of a veattant (> vabvdl on & vay Syuation 2X + 3Y + Z—* ABt OD, me x Z ondore dsb ordered gor oxdot Rene fe; fate k Lx) EY [2 Rate, Conctant Lees tDa Order of the Yenckanbr canns be determined by the baleonced, chemical Sauation. => Rather determined, Leproimonbally of grophically. Rate = kDAALT k= eave _ | Rate costs depend on Tp bats Win > dubla th (Q) Wo+42 —>2n5 vole LHI) © both one fie Otodled «Order of Raion, add erdes off Macht #444 * Drel cdot Yoaskion. => DETERMINAIG ORDER coRAPPICALLY;, a) Rate Concentration Gwagh; = YY t ZERO Furst "geen 4) Cmentrarion tire graphs fi We veaskion proceed , the onc. of Reactant clecreasa- Sa T OorveR ‘AStOROER wy Mah Lie Method; TE The tine balan by the come of the roactanh bo bere half, . L | E==t > Oorver AStOROER Q2nRORDER, Swonsie dee Spal bnosgn obi We con eabcalals wig ig (> Pow t Calawake order of Reashio , vate equatin ave rite Cnstont. £45 _NOvg) + 202 ___,, NO> obs + K{NO} [0.)” etrurrspe Rie; Rate ak saat. (Com bolp in deterniniign) % [NSTANTANES 5 Graphically by Toa. Conc. of [NO] metfdm® | * CO} motfin? | * Tribal Rake me dnPs? 2) _0.00S0 0.0050 0.02 2)__0.0080 0.0016 0.03, 3) 0.020 0.0015 0.42 >We Compare 2 Experimenta @ fae 2 Ex6*(o}! Ollate & » Kinoory Rated — KETO Rees kK LWT oad! 003 , (0.0018) 0.3 - {20} 002 —-0-0080 on (00) 2. (3) -(ay 3° (4) 2°(3) Yet x=h Order _w0t 02 4% Ordey Ore web work 2 Katy > Cnoy’(os] trl of Ren. = 24 Orde. => Reackion Mechanisrn SNs—> 2 Step Reachions ole of (ost ROME OERER MINING STEP; + The closes step in a. reacbion Oly the rach in a vake ing skep become a put: Yala, eguakion » Tehiony Uatogena aren. Si, —> 2 step ‘ ards of (uate Pron, vee bts A428 +c —> ABC Sheps B 4c ——» Pe 6C +A+B ——> ABC vate = KLBI(CT Order of tle rachion=>2 Iremeinke, A spore, Hak ig from nc. uchantom aul O8ed. up_in the nek step, ib doesn't become a. parbof Oferall equation. aul rote, equation. Chatuysts Rowe uit reactant ond regaavaby in the neath Shp. Ik dows become a par of fale oy osl an lhe on + seds* Fe, 42 + 2s0n° Steps 4s Fe! + Sos ——_» fe? + 2804” Fe"? 4 21 ———+ Jo + 2Fo!* Detain Over all Reaution Medtansrn from Rate 43 Qvesall; 2010, + Fo —> 2000.F vate eq = K CetoJ(Fe] stow steps (U0r + fo » OF +7 £. +00, ——> (OF 20+ Fa. ——» 2000,F © CATALYST ty HomoméNnous, “Dxidatio of S02 bp S02 (ii) HETEROGE NOUS sib bin the difleont pes at ab of Reackaatn Conta Process + aber Process => toda, of Aedan; (3) Pasorphion (2% (eeathion, ol. brows Has fo (3) de- sorpbion.