CHM 2025 FINAL REVIEW QUESTIONS AND CORRECT ANSWERS

CHM 2025 FINAL REVIEW QUESTIONS
AND CORRECT ANSWERS
ChemistryA2isA2theA2studyA2of?A2-A2Ans--matterA2andA2energy

WhichA2ofA2theA2followingA2doesA2describeA2theA2gaseousA2state?A2-A2Ans--
HasA2aA2lowerA2densityA2ofA2bothA2liquidsA2andA2solids

WhichA2ofA2theA2followingA2isA2classifiedA2asA2aA2chemicalA2change?A2-A2Ans--
fermentingA2sugarA2intoA2alcohol

WhichA2ofA2theA2followingA2isA2classifiedA2asA2homogeneousA2/A2pureA2substance?A2-
A2Ans--iA2andA2v-A2GoldA2andA2ice


WhichA2oneA2isA2aA2correctA2statementA2explainingA2waterA2freezingA2-A2Ans--
whenA2waterA2freezes,A2heatA2isA2removedA2butA2noA2temperatureA2changeA2occurs

AtA2theA2particulateA2levelA2weA2sayA2theA2atoms,A2molecules,A2and/
orA2particlesA2_____A2energyA2isA2itsA2measurementA2ofA2temperature.A2-A2Ans--Kinetic

)A2WriteA2theA2numberA24.56A2xA210-4A2intoA2ordinaryA2decimalA2notationA2-A2Ans--
0.000456

ConvertA232.7A2mA2toA2km,A2cm,A2andA2mm.A2-A2Ans--
0.0327A2km,A23270A2cm,A232,700mm

CalculateA2theA2massA2ofA2aA2solidA2pieceA2ofA2pureA2silverA2thatA2hasA2aA2densityA2ofA210.
49A2g/mLA2andA2aA2volumeA2ofA231.21A2cm3A2-A2Ans--327.4A2g

TheA2freezingA2pointA2ofA2ethanolA2isA2-
173.5OF.A2WhatA2isA2theA2CelsiusA2equivalentA2ofA2thisA2temperature?A2-A2Ans---114.2A2C

WhichA2ofA2theA2followingA2statementsA2isA2correct?A2-A2Ans--
theA2atomicA2number=theA2numberA2ofA2protons,A2theA2massA2number=A2theA2numberA2of
A2protons+A2neutrons


HowA2manyA2neutronsA2areA2inA2copperA2withA2aA2massA2numberA2ofA265.A2-A2Ans--36

WhichA2ofA2theA2followingA2isA2theA2correctA2classificationA2forA2bothA2calciumA2andA2iron?
A2-A2Ans--
CaA2isA2anA2alkalineA2earthA2metalA2andA2aA2metalA2andA2FeA2isA2aA2transitionA2elementA2a
ndA2aA2metal

WhatA2isA2theA2nameA2ofA2(NH4)2SO4?A2-A2Ans--ammoniumA2sulfate