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Chemistry Notes Chapters 1-2

by: Shavon Notetaker

Chemistry Notes Chapters 1-2 CHM 1045

Marketplace > Florida State University > Chemistry > CHM 1045 > Chemistry Notes Chapters 1 2
Shavon Notetaker

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About this Document

This study guide covers what is going to be on our exam.
General Chemistry 1
Dr. Vu
Study Guide
General Chemistry
50 ?




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This 9 page Study Guide was uploaded by Shavon Notetaker on Monday September 19, 2016. The Study Guide belongs to CHM 1045 at Florida State University taught by Dr. Vu in Fall 2016. Since its upload, it has received 177 views. For similar materials see General Chemistry 1 in Chemistry at Florida State University.

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Date Created: 09/19/16
Chapter 1: Dimensional Analysis 1) Whichisheavier 45.6lbs∨21.3kg? 1kg=2.20slbs 2) Comparedensity. Densityof gold=19,300k3 (m) Densityof unknown=2.21g (cm3 3) Fill∈theblanks∈thetable. 3 10 Deci Centi Milli -6 10 10 -9 Chapter 2 1) Fill∈theappropriateelement∨number for X . 14 a) 7X 56 b) AFe 200X c) 80 Answer thesehistoricalquestions. 2) What did JJThompsondetermine? a) Howwasacathoderayconstructed ? b) c) Whatdid Milikando¿theair insideof thecontainer?Howdidhedoit? Whatchargedid theoildropletshave? d) e) W hodiscoveredt hat thenucleuscontain protons∧nuetrons?How? f) What arealpha particles? True∨ false.o˚e. 3) T or F Heis monoatomic? His monoatomic? T or F 4) Namethecompound . a) AgCl KOH PCl 5 N O 2 4 Writethemolecular formula b) Sulfur hexafluoride Nitrogen monoxide Iron (III) hydroxide Potassium Permanganate Answer Guide Chapter 1: Dimensional Analysis 1) Whichisheavier 45.6lbs∨21.3kg? 1kg=2.20slbs 21.3kg 2.205lb=46.9665lbs ( 1kg ) Threesignificant figures.47.0lbs 47.0 lbs>45.6lbs 21.3kgs>45.6lbs 2) Comparedensity. Densityof gold=19,3003 (m) g Densityof unknown=2.( )3 cm kg m 310 g g 19,300 3 2 ( ) =19.3 3 (m) (10 cm kg cm g g Densityof go(d 19.3)>Densityogunknow( 2.213) cm cm 3) Kilo 103 -1 Deci 10 -2 Centi 10 Milli 10 -3 -6 Micro 10 Nano 10-9 Chapter 2 1) Fill∈theappropriateelement∨number for X . 14 a) 7N 56 b) 26e 200Hg c) 80 Answer thesehistoricalquestions. 2) What did JJThompsondetermine? a) Thompsondetermined electronsarenegativelycharged∧¿ foundthemass¿chargeratioof anelectron. b) Howwasacathoderayconstructed ? Abeamof electronswentthroughatubewheretheybounced off thescreen. Thescreengaveoff lightwhentheelctronsmadecontact.Whena potentialchargewasadded¿theneck of thetubetheelectronswere pulled∈thedirectionof the positivecharge. c) Whatdid Milikando¿theair insideof thecontainer?Howdidhedoit? Milikanionizedtheairutilizing∧x−ray. Whatchargedid theoildropletshave? d) Theoildropletswerenegativelycharged . W hodiscoveredt hat thenucleuscontain protons∧nuetrons?How? e) Rutherford f) W hatarealpha particles? Heliumnuclei He 2 3) True∨ false.o˚e. Heis monoatomic? T or F Monoatomicmeans∈itsnaturalstatethereisasingleatom. His monoatomic? T orF Hydrogenisdiatomicmeaining∈itsnaturalstatethereis aretwo atomsbonded¿eachother .H 2 4) a) Namethecompound . AgCl Silver chloride KOH Potassium oxide PCl 5 Phosphorus Pentachloride N 2 4 Dinitrogen tetroxide Writethemolecular formula b) SF 6 Sulfur hexafluoride NO Nitrogen monoxide Fe(OH) 3 Iron (III) hydroxide KMnO 4 Potassium Permanganate


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