UKY CHEM 103 EXAM 1 Questions and Answers 2025

UKY CHEM 103 EXAM 1 Questions and
Answers 2025
Scientificanotationa-ACORRECTAANSWERS--
ifatheaexponentaisapositiveaitawillabeaaabiganumber
-ifatheaexponentaisanegativeaitawillabeaaasmallanumber
Lengtha-ACORRECTAANSWERS-meter
Massa-ACORRECTAANSWERS-kilogram
Temperaturea-ACORRECTAANSWERS-kelvin
Timea-ACORRECTAANSWERS-second
Amountaofasubstancea-ACORRECTAANSWERS-mole
Areaa-ACORRECTAANSWERS-A
M^2
Volumea-ACORRECTAANSWERS-V
M^3
Densitya-ACORRECTAANSWERS-D
Kg/m^3
Concentrationa-ACORRECTAANSWERS-c
Mol/L
Speed(velocity)A-ACORRECTAANSWERS-v
M/s
Accelerationa-ACORRECTAANSWERS-a
M/s^2
Forcea-ACORRECTAANSWERS-F
N(newton)
Energya-ACORRECTAANSWERS-E
J(joule)
Teraa-ACORRECTAANSWERS-T
10^12
Gigaa-ACORRECTAANSWERS-G
10^9
Megaa-ACORRECTAANSWERS-M
10^6
Kiloa-ACORRECTAANSWERS-k
10^3
Decia-ACORRECTAANSWERS-d
10^-1
Centia-ACORRECTAANSWERS-c
10^-2
Millia-ACORRECTAANSWERS-m
10^-3
Microa-ACORRECTAANSWERS-μaoramc
10^-6

, Nanoa-ACORRECTAANSWERS-n
10^-9
1apounda=A-ACORRECTAANSWERS-453.6Agrams
16Aounces
1aincha=A-ACORRECTAANSWERS-2.54Acm
1afoota=A-ACORRECTAANSWERS-12Ainches
1amilea=A-ACORRECTAANSWERS-5280Afeet
1.609Akm
1aml=A-ACORRECTAANSWERS-1Acm^3
1Acc
1agallona=A-ACORRECTAANSWERS-4Aquarts
1alitera=A-ACORRECTAANSWERS-1.06Aquarts
1atablespoona=A-ACORRECTAANSWERS-3Ateaspoons
1ateaspoona=A-ACORRECTAANSWERS-5aml
1acaloriea=A-ACORRECTAANSWERS-4.184AJ
1aatma=A-ACORRECTAANSWERS-760ammhga=A760Atorr
Convertafahrenheitatoacelsiusa-ACORRECTAANSWERS-toc=(tof−32)×(5/9)
Convertacelsiusatoafahrenheita-ACORRECTAANSWERS-tof=(9/5)×(toc)+32
Accuracya-ACORRECTAANSWERS-
aameasureaofahowacloseaaameasurementaisatoatheacorrectaoraacceptedavalueaofatheaquantity
abeingameasured

Precisiona-ACORRECTAANSWERS-
isaaameasureaofahowacloseaaaseriesaofameasurementsaareatoaoneaanother
Sigafigarulesa-ACORRECTAANSWERS-1.aallanonzeroadigitsaareasignificant
-237ahasa3asigfigs
2.azeroesabetweenasignificantafiguresaareasignificant
-2.03ahasa3asigfigs
3.azerosathataappearatoathealeftaofaallaofatheanonzeroadigitsaareacalledaplaceholderazerosaand
aareanotasignificant

-0.00123ahasa3asigfigs
4.azerosathataappearaafterathealastanonzeroadigitamayabeasignificanta
-140aisaambiguousa
-140.ahasa3asigfigs
Addingaandasubtractingasigfigsa-ACORRECTAANSWERS-
theasumaoradifferenceaisadeterminedabyatheasmallestanumberaofadigitsatoathearightaofatheadec
imalapointainaanyaofatheaoriginalanumbers

Example:
89.332+1.1=90.432
Roundatoa90.4abecausea1.1ahasaoneanumberaafteradecimalaplace
Multiplyingaandadividingasigfigsa-ACORRECTAANSWERS-
theanumberaofasignificantafiguresainatheafinalaproductaoraquotientaisaequalatoatheanumberaofas
ignificantafiguresainatheastartingavalueathatahasatheafewestasignificantafigures

Example:
2.8X4.5039=12.61092