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CHEM 101 FINAL IVY TECH QUESTIONS WITH CORRECT ANSWERS.

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CHEM 101 FINAL IVY TECH QUESTIONS WITH CORRECT ANSWERS.

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CHEM 101 FINAL IVY TECH QUESTIONS
ee ee ee ee ee




WITH CORRECT ANSWERS
ee ee ee




What eeis eethe eedefinition eeof eea eescientific eetheory? ee- eeCORRECT eeANSWER ee-
a eemodel eethat eeexplains eethe eeunderlying eereasons eefor eeobservations eeand eelaws



What eeterm eebest eedescribes eea eebrief eestatement eethat eesummarizes eemany eepast eeobservations eeand
eepredic eets eenew eeones? ee- eeCORRECT eeANSWER ee-scientific eelaw




Which eeof eethe eefollowing eeis eean eeexample eeof eea eescientific eelaw? ee- eeCORRECT
eeANSWER ee- eeIn eea eechemical eereaction, eematter eeis eeneither eecreated eenor


eedestroyed.




Which eeof eethe eefollowing eewould eebe eeconsidered eea eetheory? ee- eeCORRECT
eeANSWER ee- eeHelium eeballoons eefloat eebecause eehelium eeis eeless eedense eethan eeair.




The eekey eeto eesuccess eein eechemistry eeis: ee- eeCORRECT eeANSWER ee-all eeof eethe eeabove



A eeplastic eeblock eehas eedimensions eeof ee2.2 eecm eex ee3.0 eecm eex ee1.5 eecm eeand eea eemass eeof ee12.4
eegrams. eeWill eethe eebl eeock eefloat eein eewater eeand eewhy? ee- eeCORRECT eeANSWER ee-


No, eebecause eethe eedensity eeof eethe eeblock eeis ee1.3 eeg/mLBwhich eeis eegreater eethan eethe eedensity eeof
eewater.




Given eethe eedensity eeof eeAu eeis ee19.3 eeg/cm3, eedetermine eethe eemass eeof eegold ee(in eegrams) eein eean
eeingot eewith eeth eee eedimensions eeof ee10.0 eein eex ee4.00 eein eex ee3.00 eein. ee- eeCORRECT eeANSWER ee-3.80


eexB104




The eedistance eebetween eethe eetwo eehydrogen eeatoms eein eea eemolecule eeof eewater eeis
ee0.000000000172 eem. eeEx eepress eethis eedistance eein eescientific eenotation. ee- eeCORRECT eeANSWER ee-


1.72 eex ee10-10 eem



How eemany eegrams eeare eein ee1.48 eex ee107 eeμg? ee- eeCORRECT eeANSWER ee-14.8

,The eecorrect eedecimal eerepresentation eeof ee6.453 eex ee103 eeis: ee- eeCORRECT eeANSWER ee-6,453



How eemany eesignificant eedigits eeshould eebe eereported eein eethe eeanswer eeto eethe eefollowing

question? ee(4.3-3.7) eex ee12.3= ee- eeCORRECT eeANSWER ee-1
ee




The eecorrect eescientific eenotation eefor eethe eenumber ee0.00050210 eeis: ee- eeCORRECT eeANSWER ee-
5.0210 eex ee10- ee4



Which eemeasurement eebelow eerepresents eethe eeheaviest eemass? ee- eeCORRECT eeANSWER ee-1 eeMg



Determine eethe eeanswer eeto eethe eefollowing eeequation eewith eecorrect eenumber eeof eesignificant

figures: ee2.02+8.102-0.0297= ee- eeCORRECT eeANSWER ee-10.09
ee




A eelead eeball eehas eea eemass eeof ee55.0 eegrams eeand eea eedensity eeof ee11.4 eeg/cm3. eeWhat eeis eethe eevolume
eeof eethe eeball


? ee- eeCORRECT eeANSWER ee-4.82 eemL



When eethe eevalue ee4.449 eeis eerounded eeto eetwo eesignificant eefigures, eethe eenumber eeshould eebe eereported
eeas: ee- eeCORRECT eeANSWER ee-4.4




The eecorrect eenumber eeof eesignificant eefiguresBin eethe eenumber ee865,000 eeis: ee- eeCORRECT eeANSWER
ee- eeambiguous




How eemany eeinches eeare eein ee2.80 eeft? ee- eeCORRECT eeANSWER ee-33.6



Which eeof eethe eefollowing eewould eeNOT eebe eeconsidered eea eecorrect eeconversion
eefactor? ee- eeCORRECT eeANSWER ee-1 eepair eeof eeshoes ee= ee1 eeshoe

, Suppose eea eeboat eeengine eeleaks ee938 eemLBof eeoil eeinto eea eelake. eeThe eemass eeof eethis eespilled eeoil eeis
ee823 eeg. eeThe eeoil eewill eenot eemix eewith eethe eelake eewater. eeWhich eestatement eeis eetrue? ee- eeCORRECT


eeANSWER ee-


The eeoil eewill eefloat eebecause eeits eedensity eeof ee0.877 eeg/mLBis eeless eethan eethe eedensity eeof eewater.



Which eestate eeof eematter eehas eeindefinite eeshape eeand eeis eecompressible? ee- eeCORRECT eeANSWER ee-gas



A eesolution eeis eean eeexample eeof eea ee(an): ee- eeCORRECT eeANSWER ee-homogeneous eemixture



Which eeof eethe eefollowing eeis eeNOT eean eeexample eeof eea eephysical eeproperty? ee- eeCORRECT
eeANSWER ee- eeWater eecan eeform eehydrogen eeand eeoxygen eeunder eeelectrolysis eeconditions.




Which eeof eethe eefollowing eeis eea eehomogeneous eemixture? ee- eeCORRECT eeANSWER ee-stainless eesteel



When eemethane eeis eeburned eewith eeoxygen eethe eeproducts eeare eecarbon eedioxide eeand eewater. eeIf eeyou
eeproduc eee ee36 eegrams eeof eewater eeand ee44 eegrams eeof eecarbon eedioxide eefrom ee16 eegrams eeof


eemethane, eehow eemany eegra eems eeof eeoxygen eewere eeneeded eefor eethe eereaction? ee- eeCORRECT


eeANSWER ee-64




Which eeof eethe eefollowing eestatements eeabout eematter eeis eeFALSE? ee- eeCORRECT
eeANSWER ee- eeMatter eeis eesmooth eeand eecontinuous.




Which eeof eethe eefollowing eeitems eeis eea eechemical eeproperty? ee- eeCORRECT
eeANSWER ee- eethe eetarnishing eeof eea eecopper eestatue




Which eestate eeof eematter eehas eeatomic eespacing eethat eeis eeclose eetogether eeand eedefinite
eeshape? ee- eeCORRECT eeANSWER ee-solid




All eeof eethe eefollowing eecan eebe eeconsidered eephysical eeproperties eeEXCEPT: ee- eeCORRECT eeANSWER ee-
eeflammability

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