Examl 2:l CHEMl 120/l CHEM120l (Latestl
2026/l 2027l Update)l Introductionl tol General,l Organic,l andl Biologicall Chemistryl withl Labl Guide|l Q/Al |l Gradel A|l 100%l Correctl (Verifiedl Answers)l - Chamberlain
Q:l Ideall Gas
Answer:
Al gasl thatl consistsl ofl particlesl followingl thel postulatesl below:
1.Particlesl arel movingl independently 2.l Spacel betweenl particlesl isl largel comparedl tol particlel size 3.l Particlesl dol notl attractl orl repell onel another 4.l Alll collisionsl arel completelyl elasticl (nol changel inl energy) 5.l Thel kineticl energyl ofl thel systeml isl proportionall tol thel systeml temperature.
Q:l Ideall gasl constant:l R
Answer:
0.0821l L*atm/mol*Kl unitsl inl anl ideall gasl lawl probleml mustl bel inl thel unitl shownl inl thel ideall gasl constantl forl thisl valuel ofl Rl tol bel used.
Q:l STP
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Answer:
Standardl Temperaturel andl Pressure.l Templ isl 0l degreesl Celsiusl (273.15l K)l andl pressurel isl 1l ATM.l Atl thisl temp,l 1l moll ofl gasl willl occupyl 22.4l L
Q:l Hydrogenl Bonds
Answer:
Intermolecularl (betweenl molecules)l forcel thatl formsl etweenl al slightlyl positivel Hl atoml onl onel moleculel andl al slightlyl negativel atoml onl anotherl moleculesl (e.g.l F,l O,l orl N)
Q:l Protonl (h+)
Answer:
Hydrogenl Cationl withl al +l charge.l Releasedl byl acidsl andl acceptedl byl bases.l Formsl H3O+l cationsl inl anl aqueousl solutions.
Q:l pH
Answer:
Measurel ofl H+l concentration.l Thel lowerl thel pH,l thel higherl thel H+l concentrationl andl visel versa
Q:l Salt
Answer:
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