Chemistry Exam Review: Conversions, Significant Figures, and Chemical Formulas, Exams of Chemistry

Download Chemistry Exam Review: Conversions, Significant Figures, and Chemical Formulas and more Exams Chemistry in PDF only on Docsity! Chemistry Review for Exam 1 Ch. 1,2,6,7 ;;;Jc:;>.~~ 1. Write the following in decimal foml: a) 6.5 x 10-6m b) 2.5 x 10-3L c) 6.54 x 109s 0. ~l:)" 6 .Do ~ \P"S4-DDaD~ 2. PerfOml the following conversions: ~ )25.5m to b)7.25stoms c)115lbstomg \ -r.102- 'l.~\lOO-Q.!!O§== ~1.2?XIOs.~ t:::;I~S 4S""S. 10 00("(\ ::: 1- , 1 \oC()~ I ,-;;: rn \ I ~.22.K{o 3. \.;onvert ilie following: S I \!:;>S tr1C:f a) 62°f to oC b) 233°C to K c) 35°C to of ../ °(~5~({P2-32) K:::L-~3 + Z..'3 of-: q/S-(3SJ -t--~2 -::. 11°C, =. 50l.P \(. -::. q56F 4. Carry out the following operations and express the answer in the correct number of significant figures: . a) 21.2405 + 5.80 b) 13.577- 21.6 c) 0.05770/75.3 21.olf-- -8.0 l \ lo(g ¥.l b- ~ II \lA ~ ! Im:::- i.~ 5. Convert the following: ().,~~~1~~~ a)5 ~00da stosec ~)b)0.02500ft3tocm3 c)lj5.7fttom .c) . ~~ ~ ({() .lob. 4132~1c>l;.s ')b.O'2.-SlX>..f-t-gII~ \Vl3(7~~-t;7,qZ~1 145", .-R-, \~ \\'\V \nI\~ -'I ~mn'3. -'L 10 I' , \.-In-j 6. How many significant figures are in the following:a) 426987 b) 0.0000215 c) 0.40010 d) 5210.00 " 1.61 3 .5 /P 7. How many protons, neutrons, and electrons are in the following: +- a) 28Si b) 8sRb c) ~i .p 14 '31 '2.<6 ho I l ~ q 3"2. -I ;1 "l..~ e 8. Fill in e gaps in the ollowing table: c) At and F ftlF3 d) HB~ e) AlF3 ~~ ) rDtaS~\LLYY"' 0..) ~b~IL (J.eYyYl£t~~ UlC I d 9. Give the chemical fonnula for the following: a) Li and PO4 b) Hg and S Li~PD4 H~~ 10. Name the following: a) Li20b) Cr(OH)3 c) KMnO4 a) L\ -\\I\ ~ l)-;'(II'") ~ ) c h VTm'1 i U-rn (I , I) c O-XI~ \wJ}~i d.u