CHEM 112 Midterm: Exam 1 Key Worked Out.PDF
27 Mar 2014
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Id: a: recordyour nanu on the scantronforrn, recordyow sprre id in the student nttmber heading on the scantronform, record all ofyour answers onthe scantronform. Do notwait mtil the end to do this: take your exam with you. C: which of the following factors are likely to affect the rate of a chemical reaction? the presence ofa catalyst the temperature of the reactants the physical state (solid, liquid, or gas) of the reactants. I only: 2 only, 3 only, i and3 l-t l,2,and3, when0. 50molechgco2hisdissolvedinwatertoavolumeofl. 00l,0. 60yoofthech3co2hdissociatesto form chrcozlaq). Crh(g) + 5 ozg) -+ 3 cor(g) + 4 hro(l) ^ [ c 3 h 8 ] a [ o , ] l [ c o , ] a [ h , o ] a " n = t = t = t a[c,h, ] ^ [ c a h 8 ] r a [ o , ] , l [ c o , ] 1 a [ u , o ]
