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chem 210 exam 3 Questions & Answers 100% Accurate.
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less - ANSWERthe more s character a carbocation has, the _____stable it is 
 
the same as - ANSWERwhen looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant 
 
BrOH - ANSWERwhen added with base makes an epoxide 
 
Br2 - ANSWERadds 2 Brs in anti conformation 
 
lindlar catalyst - ANSWERproduces a Z alkene from an alkyne (adds 2 Hs in syn) 
 
add more electronegative atom, add pi bond - ANSWER2 ways of producing an oxidation re...
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CHEM 210 Chapters 1-3 Questions & Answers(Graded A)
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Chemistry - ANSWERthe study of matter and the changes that matter undergoes 
 
Matter - ANSWERAnything that has a mass and occupies space 
 
Observations - ANSWERNatural phenomena and measured events; if universally consistent, can be stated as a law 
 
Hypothesis - ANSWERTentative explanation that explains observations 
 
Experiment - ANSWERProcedure to test hypothesis; measures one variable at a time 
 
Model (Theory) - ANSWERSet of conceptual assumptions that explains data from accumulated ex...
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Chem 210 - Exam 2 Questions 100% Accurate.
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Na+ - ANSWERsodium 
 
Li+ - ANSWERlithium 
 
K+ - ANSWERpotassium 
 
Ca 2+ - ANSWERcalcium 
 
Mg 2+ - ANSWERmagnesium 
 
Cs+ - ANSWERcesium 
 
Al 3+ - ANSWERaluminum 
 
Ba 2+ - ANSWERbarium 
 
Sr 2+ - ANSWERstrontium 
 
Pb 2+ - ANSWERlead II 
 
Mn 2+ - ANSWERmanganese II 
 
Cu 2+ - ANSWERcopper II 
 
Cr 3+ - ANSWERchromium III 
 
Ni 2+ - ANSWERnickel II 
 
Fe 3+ - ANSWERiron III 
 
Sn 2+ - ANSWERtin II 
 
Ag+ - ANSWERsilver I 
 
Co 2+ - ANSWERcobalt II 
 
Br- - ANSWERbromide 
 
Cl- - ANSWERchlor...
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CHEM 210 exam 2 100% Accurate.
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sulfate - ANSWERSO(4)^2- 
 
sulfite - ANSWERSO(3)^2- 
 
nitrate - ANSWERNO(3)^- 
 
nitrite - ANSWERNO(2)^- 
 
phosphate - ANSWERPO(4)3- 
 
Phosphite - ANSWERPO(3)^3- 
 
cyanide - ANSWERCN^- 
 
carbonate - ANSWERCO(3)^2- 
 
hydroxide - ANSWEROH^- 
 
ammonium - ANSWERNH(4)+ 
 
chlorite - ANSWERClO(2)- 
 
chlorate - ANSWERClO(3)^- 
 
permanganate - ANSWERMnO(4)^- 
 
chromate - ANSWERCrO(4)^2
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Chem 210 Exam 1 100% Accurate
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Allyl cation - ANSWERIncomplete octet adjacent to multiple bond 
 
Allyl anion - ANSWERLone pair adjacent to multiple bond 
 
Polar multiple bond - ANSWERLone pair next to incomplete octet 
 
Ring of alternating single and multiple bonds - ANSWERAromatic rings 
 
Sp3 - ANSWERone s and three p orbitals; 25% s character 75% p 
 
Sp2 - ANSWERone s and two p 120 degree apart; 33% s character and 67% p 
 
Sigma MOs - ANSWERTypically lower in energy 
 
Sp - ANSWEROne s and two p 180 bond angle; 50%s c...
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CHEM 210 EXAM 1 REVIEW QUESTIONS AND ANSWERS
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What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 
 
1)Liquid to solid 
2) Gas to solid 
3) Solid to liquid 
4) Liquid to gas 
5) Solid to gas - ANSWER3 
 
Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 10 g is cooled from 50.0°C to 10....
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chem 210 exam 1 Questions 100% Answered!
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how to write formula of a molecule - ANSWERC first, H sexond, alphabetical order 
eg. C3H5BrO 
 
nonpolar covalent bonding - ANSWER2 electrons shared equally 
eg. H-H 
 
polar covalent bonding - ANSWER2 electrons shared unequally 
eg. C-O 
(more reactive) 
 
units of unsaturation - ANSWER(2N+2-m+t)/2 
count rings and multiple bonds 
 
curved arrow notation - ANSWERbegin where electrons start and point where electrons are going 
 
heterdytic break - ANSWERelectrons move together during curved a...
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Chem 210 exam 1 100% Correct
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1 calories - ANSWER4.184 joules 
 
1kilogram - ANSWER1000 grams 
 
Specific heat - ANSWEREnergy required to raise temperature (j/g x change in temp) 
 
1 regular calorie - ANSWER1 kilocalorie/ 1000 calories 
 
Group 1A - ANSWERAlkali metals 
 
Group 2A - ANSWERAlkaline metals 
 
Group 7A - ANSWERHalogens 
 
Group 8A - ANSWERNoble gases 
 
Group B - ANSWERTransition elements 
 
Nucleus composition - ANSWERProtons and nuetrons 
 
1 amu - ANSWER1/12 mass of carbon 12 
 
Proton mass - ANSWER1.007 am...
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Chem 210 Exam #1 100%Accurate.
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For N carbons that are closed shell, uncharged, no multiple bonds, no rings, there are ___________ binding sites - ANSWER2N + 2 
 
Unit of unsaturation = - ANSWERnumber of rings + number of double bonds 
 
To find units of unsaturation in a formula: __________________ - ANSWERmax number of hydrogens possible = 2N + 2 
subtract hydrogens we have from max number 
divide by 2 
 
How to create a hydrocarbon equivalent: 
with monovalents (ex: P): 
with divalents (ex: O2): 
with trivalents (ex: O3): ...
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Chem 210 Exam 1 Questions & Answers(Graded A)
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Intermolecular forces - ANSWER- non bonding forces 
- found BETWEEN molecules 
- influence the energy physical properties of the substances 
 
Physical properties examples - ANSWERboiling point, melting point, solubility, color, odor, etc. 
 
T/F: stronger intermolecular forces correlate to a higher boiling point - ANSWERTrue 
 
Kinetic energy - ANSWER- provides the energy needed to overcome intermolecular forces 
 
What is kinetic energy associated with? - ANSWERThe random motion of particles...
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