Solutions Manual For Chemistry The Central Science 14th Edition By Theodore E. Brown; H. Eugene LeMay

Chemistry: The Central Science
f f f




1. Whatfisfafunifyingfprinciplefthatfexplainsfafbodyfoffexperimentalfobservations?
A)fflawffffB)ffhypothesisffffC)fftheoryffffD)ffphenomenaffffE)ffprediction
Ans:ffCfffff

2. Whatftermfisfaftentativefexplanationfforfobservationsfthatfarefmadefthatfresultfinfthefformula
tionfoffthisfconcept?
A)fflawffffB)ffhypothesisffffC)fftheoryffffD)ffphenomenaffffE)ffprediction
Ans:ffBfffff

3. Whatfisftheftermfusedfforffindingsfthatfarefsummarizedfbasedfonfafpatternforftrend?
A)fflawffffB)ffhypothesisffffC)fftheoryffffD)ffphenomenaffffE)ffprediction
Ans:ffAfffff

4. Whichfofftheffollowingfactivitiesfisfnotfafpartfoffgoodfscience?
A) proposingfaftheory D) designingfexperiments
B) developingfafhypothesis E) indulgingfinfspeculation
C) makingfquantitativefobservations
Ans:ffEfffff

5. Whichfonefofftheffollowingfisfaf"substance"finfthefsensefoffthefwordfasfusedfinfyourftextbook
?
A)ffairffffB)fftapfwaterffffC)ffseawaterffffD)ffwaterffffE)fftoothpaste
Ans:ffDfffff

6. Whichfofftheffollowingfcannotfbefseparatedfintofafsimplerfsubstancefbyfchemicalfmeans?
A) element D) homogeneousfmixture
B) emulsion E) heterogeneousfmixture
C) compound
Ans:ffAfffff

7. Iffafliquidfcontainsf60%fsugarfandf40%fwaterfthroughoutfitsfcompositionfthenfwhatfisfitfcall
ed?
A) solute D) heterogeneousfmixture
B) compound E) solvent
C) homogeneousfmixture
Ans:ffCfffff

8. Whichfofftheffollowingfdoesfnotfhavefafuniformfcompositionfthroughout?
A) element D) heterogeneousfmixture
B) compound E) solvent
C) homogeneousfmixture
Ans:ffDfffff

, 9. WhichfofftheffollowingfisfnotfanfS.I.fbasefunit?
A)ffmeterffffB)ffampereffffC)ffsecondffffD)ffgramffffE)ffKelvin
Ans:ffDfffff

10. ThefS.I.fbasefunitfoffmassfis
A)ffmg.ffffB)ffg.ffffC)ffkg.ffffD)ffmetricfton.ffffE)fflb.
Ans:ffCfffff

11. ThefS.I.fprefixfmega–f(M)fmeans
A)ff10–6.ffffB)ff10–3.ffffC)ff103.ffffD)ff106.ffffE)ff109.
Ans:ffDfffff

12. ThefS.I.fprefixesfmilli–fandfmega–frepresent,frespectively:
A) 106fandf10–6. D) 10–3fandf109.
–3
B) 10 fandf10 . 6
E) 10–6fandf10–3.
C) 103fandf10–6.
Ans:ffBfffff

13. Howfmanyfmicrogramsfarefinf65.3fkg?
A) 0.653fg D) 6.53f×f10–8fg
B) 6.53f×f107fg E) 6.53f×f1010fg
C) 6.53f×f104fg
Ans:ffEfffff

14. Afdosefoffmedicationfwasfprescribedftofbef35fmicroliters.fWhichfofftheffollowingfexpressesf
thatfvolumefinfcentiliters?
A) 3.5f×f105fcL D) 3.5f×f10–4fcL
B) 3.5f×f104fcL E) 3.5f×f10–3fcL
C) 3.5fcL
Ans:ffEfffff

15. Howfmanyfmillilitersfisf0.0055fL?
A)ff0.55fmLffffB)ff5.5fmLffffC)ff0.5fmLffffD)ff0.0000055fmLffffE)ff182fmL
Ans:ffBfffff

16. Howfmanyfhertzfisf600.11fMHz?
A) 6.0011f×f10–4fHz D) 6.0011f×f10–2fHz
B) 60.011fHz E) 6.0011f×f108fHz
C) 6.0011f×f106fHz
Ans:ffEfffff

17. Thefdistancefbetweenfcarbonfatomsfinfethylenefisf134fpicometers.fWhichfofftheffollowingfe
xpressesfthatfdistancefinfmeters?
A) 1.34f×f10–13fm D) 1.34f×f10–7fm
B) 1.34f×f10–12fm E) 1.34f×f10–6fm
–10
C) 1.34f×f10 fm
Ans:ffCfffff