CHM 1025 - EXAM 1 REVIEW QUESTIONS AND CORRECT ANSWERS

CHM 1025 - EXAM 1 REVIEW QUESTIONS
AND CORRECT ANSWERS
chemistryA2-A2Ans--
theA2studyA2ofA2composition,A2structure,A2properties,A2andA2reactionsA2ofA2matter

matterA2-A2Ans--
anythingA2thatA2occupiesA2spaceA2andA2massA2whichA2canA2beA2classifiedA2byA2stateA2and
A2byA2composition


organicA2chemsitryA2-A2Ans--studyA2ofA2substancesA2thatA2containA2theA2elementA2carbon

biologicalA2chemistryA2-A2Ans--
studyA2ofA2chemicalA2reactionsA2thatA2takeA2placeA2inA2biologicalA2systems

geochemistryA2-A2Ans--
studyA2ofA2chemicalA2compositionA2ofA2ores,A2soils,A2andA2mineralsA2ofA2theA2surfaceA2ofA2
theA2EarthA2andA2otherA2planets

physicalA2chemistryA2-A2Ans--
studyA2ofA2theA2physicalA2natureA2ofA2chemicalA2systems,A2whichA2includeA2energyA2chan
ges

scientificA2methodA2-A2Ans--
aA2generalA2approachA2thatA2scientistsA2useA2toA2solveA2problems,A2comprisingA2ofA2fourA2
mainA2parts;A2observations,A2hypothesis,A2experiment,A2theory

qualitativeA2observationsA2-A2Ans--suchA2thingsA2asA2colorA2changeA2orA2bubbling

quantitativeA2observationsA2-A2Ans--
observationsA2thatA2canA2beA2measuredA2numericallyA2asA2data

hypothesisA2-A2Ans--aA2proposedA2explanationA2ofA2anA2observationA2made

experimentA2-A2Ans--aA2setA2ofA2proceduralA2stepsA2usedA2toA2testA2theA2hypothesis

scientificA2theoryA2-A2Ans--
allowsA2youA2toA2predictA2behaviorA2basedA2onA2yourA2experimentA2sndA2describesA2theA2
underlyingA2causeA2ofA2physicalA2behavior

scientificA2lawA2-A2Ans--
aA2briefA2statementA2thatA2summarizedA2pastA2observationsA2andA2predictsA2futureA2ones

precisionA2-A2Ans--dependsA2onA2theA2numberA2ofA2timesA2youA2getA2theA2sameA2result

, accuracyA2-A2Ans--dependsA2onA2theA2degreeA2ofA2closenessA2toA2theA2actualA2value

thermalA2energyA2-A2Ans--energyA2dueA2toA2aA2changeA2inA2temperature

scientificA2notationA2-A2Ans--
aA2wayA2toA2writeA2veryA2largeA2orA2veryA2smallA2numbersA2intoA2manageableA2terms

solidA2-A2Ans--hasA2aA2fixedA2shapeA2andA2volume,A2whichA2isA2incompressible

liquidA2-A2Ans--variableA2shapeA2withA2aA2fixedA2volumeA2andA2isA2incompressible

gasA2-A2Ans--hasA2aA2variableA2shapeA2withA2variableA2volumeA2andA2isA2compressible

compositionA2ofA2matterA2-A2Ans--
canA2beA2brokenA2downA2intoA2aA2pureA2substanceA2orA2mixture

pureA2substanceA2-A2Ans--
aA2substanceA2containingA2onlyA2oneA2typeA2ofA2atomA2orA2molecule

elementA2-A2Ans--aA2pureA2substanceA2containingA2onlyA2oneA2kindA2ofA2atom

compoundA2-A2Ans--aA2pureA2substanceA2madeA2upA2ofA2twoA2orA2moreA2elements/
molecules

mixtureA2-A2Ans--
aA2substanceA2composedA2ofA2twoA2orA2moreA2differentA2typesA2ofA2atomsA2orA2molecules
A2thatA2canA2beA2combinedA2inA2variableA2proportions


heterogeneousA2mixtureA2-A2Ans--
aA2solutionA2mixedA2unevenlyA2throughoutA2theA2solution

homogeneousA2mixtureA2-A2Ans--aA2solutionA2mixedA2evenlyA2throughoutA2theA2solution

physicalA2propertiesA2-A2Ans--describeA2theA2appearanceA2ofA2theA2typeA2ofA2matter

extensiveA2propertyA2-A2Ans--dependsA2onA2theA2amountA2ofA2aA2substanceA2present

intensiveA2propertyA2-A2Ans--
doesA2notA2dependA2onA2theA2amountA2ofA2theA2substanceA2present

chemicalA2propertyA2-A2Ans--
oneA2thatA2aA2substanceA2displaysA2onlyA2byA2changingA2itsA2compositionA2viaA2aA2chemic
alA2change