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CHEM 210 COMPILED EXAMS ALL FULLY SOLVED|GUARANTEED SUCCESS
CHEM 210 COMPILED EXAMS ALL FULLY SOLVED|GUARANTEED SUCCESS
[ Mehr anzeigen ]CHEM 210 COMPILED EXAMS ALL FULLY SOLVED|GUARANTEED SUCCESS
[ Mehr anzeigen ]Select the correct conversion factor for each step in the following roadmap for a substance with a density of 1 g/mL. 
 
volume (L) ----> volume (mL) ----> mass (g) 
x 1000mL / 1L 
x 1g / 1mL 
 
 
 
Label each step in the Scientific Method and then place the step in the correct order 
1. Obser...
Vorschau 2 aus 13 Seiten
In den EinkaufswagenSelect the correct conversion factor for each step in the following roadmap for a substance with a density of 1 g/mL. 
 
volume (L) ----> volume (mL) ----> mass (g) 
x 1000mL / 1L 
x 1g / 1mL 
 
 
 
Label each step in the Scientific Method and then place the step in the correct order 
1. Obser...
Which one of the following is not a redox reaction? 
Al(OH)4-(aq) + 4H+(aq) ® Al3+(aq) + 4H2O(l) 
 
 
 
Consider the reaction 
CuO(s) + H2(g) ® Cu(s) + H2O(l) 
In this reaction, which substances are the oxidant (oxidizing agent) and reductant (reducing agent), respectively? 
CuO and H2 
 
 
 
When...
Vorschau 2 aus 5 Seiten
In den EinkaufswagenWhich one of the following is not a redox reaction? 
Al(OH)4-(aq) + 4H+(aq) ® Al3+(aq) + 4H2O(l) 
 
 
 
Consider the reaction 
CuO(s) + H2(g) ® Cu(s) + H2O(l) 
In this reaction, which substances are the oxidant (oxidizing agent) and reductant (reducing agent), respectively? 
CuO and H2 
 
 
 
When...
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 
9.4 Km/L 
 
 
 
*What is the correct answer to the following expression: 
(49.1 - 42.61 ) x 13.1? 
85 
 
 
 
An intens...
Vorschau 2 aus 13 Seiten
In den EinkaufswagenIf the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 
9.4 Km/L 
 
 
 
*What is the correct answer to the following expression: 
(49.1 - 42.61 ) x 13.1? 
85 
 
 
 
An intens...
sp Hybridization 
2 SP + 2 π orbital 
Linear geometry at carbon 
 
 
 
sp² Hybridization 
3 SP + 1 π orbital 
Trigonal planar geometry at carbon 
 
 
 
sp³ Hybridization 
4 SP orbitals 
Tetrahedral geometry 
 
 
 
Antibonding MOs 
Destructive interference waves created by high energy electrons i...
Vorschau 2 aus 8 Seiten
In den Einkaufswagensp Hybridization 
2 SP + 2 π orbital 
Linear geometry at carbon 
 
 
 
sp² Hybridization 
3 SP + 1 π orbital 
Trigonal planar geometry at carbon 
 
 
 
sp³ Hybridization 
4 SP orbitals 
Tetrahedral geometry 
 
 
 
Antibonding MOs 
Destructive interference waves created by high energy electrons i...
What is ground state electron configuration of Co? 
[Ar]3d^9 
[Ar]4s^1 3d^8 
[Ar]4s^2 3d^7 
[Ar]4s^2 4p^6 4d^1 
[Ar]4s^2 3d^7 
 
 
 
molybdenum has an anomalous electron configuration. using the shorthand notation for electron configurations, write the electron configuration 
A) [kr]5s 4d^6 
B) [kr]...
Vorschau 3 aus 19 Seiten
In den EinkaufswagenWhat is ground state electron configuration of Co? 
[Ar]3d^9 
[Ar]4s^1 3d^8 
[Ar]4s^2 3d^7 
[Ar]4s^2 4p^6 4d^1 
[Ar]4s^2 3d^7 
 
 
 
molybdenum has an anomalous electron configuration. using the shorthand notation for electron configurations, write the electron configuration 
A) [kr]5s 4d^6 
B) [kr]...
matter 
anything with a mass and takes up space (volume) 
 
 
 
states of matter 
solid, liquid, gas 
 
 
 
solid (s) 
rigid, hard shape, definite volume 
 
 
 
liquid (l) 
fluid, takes shape of container and definite volume (molecules have interactions-intermolecular forces) 
 
 
 
gas (g) 
fills u...
Vorschau 2 aus 7 Seiten
In den Einkaufswagenmatter 
anything with a mass and takes up space (volume) 
 
 
 
states of matter 
solid, liquid, gas 
 
 
 
solid (s) 
rigid, hard shape, definite volume 
 
 
 
liquid (l) 
fluid, takes shape of container and definite volume (molecules have interactions-intermolecular forces) 
 
 
 
gas (g) 
fills u...
What consists of a small, positively charged nucleus surrounded by electrons? 
an atom 
 
 
 
What does a nucleus consist of? 
protons and neutrons 
 
 
 
Atomic number? 
the number of protons in the nucleus 
 
 
 
Mass number? 
the total number of protons and neutrons in the nucleus 
 
 
 
Isotopes...
Vorschau 2 aus 5 Seiten
In den EinkaufswagenWhat consists of a small, positively charged nucleus surrounded by electrons? 
an atom 
 
 
 
What does a nucleus consist of? 
protons and neutrons 
 
 
 
Atomic number? 
the number of protons in the nucleus 
 
 
 
Mass number? 
the total number of protons and neutrons in the nucleus 
 
 
 
Isotopes...
How does Volume Decrease Affect Equilibrium? 
Equilibrium will shift toward the side with the fewest gas molecules. 
 
 
 
How does Volume Increase affect Equilibrium? 
Equilibrium will shift the reaction left 
 
 
 
How will an increase in temperature affect the equilibrium of a solution with a -de...
Vorschau 1 aus 4 Seiten
In den EinkaufswagenHow does Volume Decrease Affect Equilibrium? 
Equilibrium will shift toward the side with the fewest gas molecules. 
 
 
 
How does Volume Increase affect Equilibrium? 
Equilibrium will shift the reaction left 
 
 
 
How will an increase in temperature affect the equilibrium of a solution with a -de...
E 
What are the expected H-C-H bond angles in the methyl anion, H3C- ? 
A)90° 
B)120° 
C)109.5° 
D)180° 
E)105° 
 
 
D 
Which of the following hybrid orbitals has the lowest energy? 
A)sp3 on C 
B)sp2 on N 
C)sp2 on O 
D)sp on O 
E)sp on C 
 
 
C 
What is the formal charge on titanium in the co...
Vorschau 2 aus 7 Seiten
In den EinkaufswagenE 
What are the expected H-C-H bond angles in the methyl anion, H3C- ? 
A)90° 
B)120° 
C)109.5° 
D)180° 
E)105° 
 
 
D 
Which of the following hybrid orbitals has the lowest energy? 
A)sp3 on C 
B)sp2 on N 
C)sp2 on O 
D)sp on O 
E)sp on C 
 
 
C 
What is the formal charge on titanium in the co...
Molarity 
moles of solute/liters of solution 
 
 
mole fraction 
moles of A/total moles solute + moles solvent 
 
 
mass percentage 
mass of solute/mass of solution x 100% 
 
 
mass of solution 
solute+solvent 
 
 
ppm 
mass of solute/mass of solution x 10^6 
 
 
ppb 
mass of solute/mass of solution...
Vorschau 2 aus 7 Seiten
In den EinkaufswagenMolarity 
moles of solute/liters of solution 
 
 
mole fraction 
moles of A/total moles solute + moles solvent 
 
 
mass percentage 
mass of solute/mass of solution x 100% 
 
 
mass of solution 
solute+solvent 
 
 
ppm 
mass of solute/mass of solution x 10^6 
 
 
ppb 
mass of solute/mass of solution...
Chemistry Definition 
Matter, its properties, and its behavior. 
 
 
 
Filtration 
Solid substances are separated from liquids and solutions. 
 
 
 
Distillation 
Uses differences in boiling points of substances to separate a homogeneous mixture into its components. 
 
 
 
Chromatography 
Separates ...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenChemistry Definition 
Matter, its properties, and its behavior. 
 
 
 
Filtration 
Solid substances are separated from liquids and solutions. 
 
 
 
Distillation 
Uses differences in boiling points of substances to separate a homogeneous mixture into its components. 
 
 
 
Chromatography 
Separates ...
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 
3 
 
 
 
Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compoun...
Vorschau 2 aus 8 Seiten
In den EinkaufswagenWhat 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 
3 
 
 
 
Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compoun...
Highest: Nh3 SbH3 AsH3 PH3 
The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. 
 
 
 
Dispersion 
What is the strongest type of intermolecular force present in H2? 
 
 
 
Co2 
Identify the compound that does not have dipole-dipole forces as its ...
Vorschau 4 aus 57 Seiten
In den EinkaufswagenHighest: Nh3 SbH3 AsH3 PH3 
The hydrides of group 5A are NH3, PH3, AsH3, and SbH3. Arrange them from highest to lowest boiling point. 
 
 
 
Dispersion 
What is the strongest type of intermolecular force present in H2? 
 
 
 
Co2 
Identify the compound that does not have dipole-dipole forces as its ...
If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 
9.4 Km/L 
 
 
 
*What is the correct answer to the following expression: 
(49.1 - 42.61 ) x 13.1? 
85 
 
 
 
An intens...
Vorschau 2 aus 13 Seiten
In den EinkaufswagenIf the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) 
9.4 Km/L 
 
 
 
*What is the correct answer to the following expression: 
(49.1 - 42.61 ) x 13.1? 
85 
 
 
 
An intens...
Calculate volume 0.2 NaOH and # equivalence points for titration of 25mL 0.1 H3PO4 
2 eq points- 
0.1M x 0.025L = 0.0025 mol H3PO4 
mol H3PO4 = mol added NaOH 
0.0025 mol NaOH / 0.2 M = 0.0125 L NaOH added 
 
 
 
Calculate equivalence point volumes for titration of 25.00 mL of 0.060 M HCl and 0.10 M...
Vorschau 1 aus 4 Seiten
In den EinkaufswagenCalculate volume 0.2 NaOH and # equivalence points for titration of 25mL 0.1 H3PO4 
2 eq points- 
0.1M x 0.025L = 0.0025 mol H3PO4 
mol H3PO4 = mol added NaOH 
0.0025 mol NaOH / 0.2 M = 0.0125 L NaOH added 
 
 
 
Calculate equivalence point volumes for titration of 25.00 mL of 0.060 M HCl and 0.10 M...
Chemistry 
the study of matter and the changes that matter undergoes 
 
 
 
Matter 
Anything that has a mass and occupies space 
 
 
 
Observations 
Natural phenomena and measured events; if universally consistent, can be stated as a law 
 
 
 
Hypothesis 
Tentative explanation that explains observa...
Vorschau 2 aus 12 Seiten
In den EinkaufswagenChemistry 
the study of matter and the changes that matter undergoes 
 
 
 
Matter 
Anything that has a mass and occupies space 
 
 
 
Observations 
Natural phenomena and measured events; if universally consistent, can be stated as a law 
 
 
 
Hypothesis 
Tentative explanation that explains observa...
The fundamental SI unit of mass is the 
kilogram 
 
 
 
What symbol is used to express the factor 10^-6 
weird u 
 
 
 
If the melting point of titanium metal is 1672 C, what is the melting point in Kelvins? 
273+1672= 1945K 
 
 
 
The nutritional calorie (abbreviated Cal) is equal to 
1 kcal 
 
 
 ...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenThe fundamental SI unit of mass is the 
kilogram 
 
 
 
What symbol is used to express the factor 10^-6 
weird u 
 
 
 
If the melting point of titanium metal is 1672 C, what is the melting point in Kelvins? 
273+1672= 1945K 
 
 
 
The nutritional calorie (abbreviated Cal) is equal to 
1 kcal 
 
 
 ...
What is the chemical symbol for an atom that has 29 protons and 36 neutrons? 
 
A) Cu 
B) Kr 
C) N 
D) Tb 
E) S 
A) Cu 
 
 
 
How many SO2 molecules are there in 1.80 mol of SO2? 
 
A) 1.08 X 10^23 molecules SO2 
B) 6.02 x 10^24 molecules SO2 
C) 1.80 x 10^24 molecules SO2 
D) 1.08 x 10^24 molecules...
Vorschau 2 aus 13 Seiten
In den EinkaufswagenWhat is the chemical symbol for an atom that has 29 protons and 36 neutrons? 
 
A) Cu 
B) Kr 
C) N 
D) Tb 
E) S 
A) Cu 
 
 
 
How many SO2 molecules are there in 1.80 mol of SO2? 
 
A) 1.08 X 10^23 molecules SO2 
B) 6.02 x 10^24 molecules SO2 
C) 1.80 x 10^24 molecules SO2 
D) 1.08 x 10^24 molecules...
Bronsted-Lowry Acid 
Must Have a Proton (H) 
 
 
 
Bronsted-Lowry Base 
Must have Lone Pairs or Pi Bonds 
 
 
 
Neutralization 
Strong Acid donates a proton to the Strong Base to generate Water and the Conjugate Base 
 
 
 
Electrophile 
Electron Loving 
An atom that wants electrons. 
An atom that i...
Vorschau 1 aus 4 Seiten
In den EinkaufswagenBronsted-Lowry Acid 
Must Have a Proton (H) 
 
 
 
Bronsted-Lowry Base 
Must have Lone Pairs or Pi Bonds 
 
 
 
Neutralization 
Strong Acid donates a proton to the Strong Base to generate Water and the Conjugate Base 
 
 
 
Electrophile 
Electron Loving 
An atom that wants electrons. 
An atom that i...
What are the Bronsted-Lowry definitions of acid and base? 
Acids donate H+ and Bases accept H+ (BAAD) 
 
 
 
What is the difference between a strong acid and a weak acid? Give examples of each. 
Strong acids completely dissociate into anion and H+. Weak acids do not dissociate completely into anion ...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenWhat are the Bronsted-Lowry definitions of acid and base? 
Acids donate H+ and Bases accept H+ (BAAD) 
 
 
 
What is the difference between a strong acid and a weak acid? Give examples of each. 
Strong acids completely dissociate into anion and H+. Weak acids do not dissociate completely into anion ...
less 
the more s character a carbocation has, the _____stable it is 
 
 
 
the same as 
when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant 
 
 
 
BrOH 
when added with base makes an epoxide 
 
 
 
Br2 
adds 2 Brs in anti ...
Vorschau 2 aus 5 Seiten
In den Einkaufswagenless 
the more s character a carbocation has, the _____stable it is 
 
 
 
the same as 
when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant 
 
 
 
BrOH 
when added with base makes an epoxide 
 
 
 
Br2 
adds 2 Brs in anti ...
Ammonium 
NH4+ 
 
 
 
Hydronium 
H30+ 
 
 
 
Mercury (I) 
Hg2(2+) 
 
 
 
Acetate 
C2H3O2(-) 
 
 
 
Azide 
N3(-) 
 
 
 
Carbonate 
CO3(2-) 
 
 
 
Chlorate 
ClO3(-) 
 
 
 
Chlorite 
ClO2(-) 
 
 
 
Chromate 
CrO4(2-) 
 
 
 
Cyanide 
CN(-) 
 
 
 
dichromate 
Cr2O7(2-) 
 
 
 
dihydrogen phosphate 
H2PO4(...
Vorschau 1 aus 3 Seiten
In den EinkaufswagenAmmonium 
NH4+ 
 
 
 
Hydronium 
H30+ 
 
 
 
Mercury (I) 
Hg2(2+) 
 
 
 
Acetate 
C2H3O2(-) 
 
 
 
Azide 
N3(-) 
 
 
 
Carbonate 
CO3(2-) 
 
 
 
Chlorate 
ClO3(-) 
 
 
 
Chlorite 
ClO2(-) 
 
 
 
Chromate 
CrO4(2-) 
 
 
 
Cyanide 
CN(-) 
 
 
 
dichromate 
Cr2O7(2-) 
 
 
 
dihydrogen phosphate 
H2PO4(...
what factors explain the outcomes of reactions? 
hybridization, delocalization, eN, atom density 
 
 
 
what is a leaving group? 
- group of atom(s) that can be stable on its own 
- eN atoms that are good LG also make strong acids 
 
 
 
what is the α carbon? 
C directly attached to leaving group 
...
Vorschau 2 aus 11 Seiten
In den Einkaufswagenwhat factors explain the outcomes of reactions? 
hybridization, delocalization, eN, atom density 
 
 
 
what is a leaving group? 
- group of atom(s) that can be stable on its own 
- eN atoms that are good LG also make strong acids 
 
 
 
what is the α carbon? 
C directly attached to leaving group 
...
electrophiles 
electron seeking reagents that have room to accept a electron pair 
 
 
 
nucleophiles 
reagents seeking a nucleus to which to donate a pair of electrons 
 
 
 
proton transfer or protonation reaction 
the transfer of a proton from one base to another 
 
 
 
transition state 
lying be...
Vorschau 2 aus 6 Seiten
In den Einkaufswagenelectrophiles 
electron seeking reagents that have room to accept a electron pair 
 
 
 
nucleophiles 
reagents seeking a nucleus to which to donate a pair of electrons 
 
 
 
proton transfer or protonation reaction 
the transfer of a proton from one base to another 
 
 
 
transition state 
lying be...
Bronsted-Lowry acid 
proton donor (H+) and donates Electron 
 
 
 
Bronsted-Lowry base 
proton acceptor (H+), accepts electron 
 
 
 
HI ( give pKa, Conjugate Base, and reasons) 
-10, I^-(iodide), noble gas like configuration, large orbitals(less electron repulsion) 
somewhat electronegative 
 
 
 
...
Vorschau 2 aus 10 Seiten
In den EinkaufswagenBronsted-Lowry acid 
proton donor (H+) and donates Electron 
 
 
 
Bronsted-Lowry base 
proton acceptor (H+), accepts electron 
 
 
 
HI ( give pKa, Conjugate Base, and reasons) 
-10, I^-(iodide), noble gas like configuration, large orbitals(less electron repulsion) 
somewhat electronegative 
 
 
 
...
Linear 
2 bonds, 180° 
 
 
 
Trigonal planar 
3 bonds, 120° 
 
 
 
Tri-plan; bent 
2 bonds, 1 lone pair, 120° 
 
 
 
Tetrahedral 
4 bonds; 109.5° 
 
 
 
Tetra; trigonal pyramidal 
3 bonds, 1 lone pair; 109.5° 
 
 
 
Tetra; bent 
2 bonds, 2 lone pairs; 109.5° 
 
 
 
Trigonal bipyramidal 
5 bond...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenLinear 
2 bonds, 180° 
 
 
 
Trigonal planar 
3 bonds, 120° 
 
 
 
Tri-plan; bent 
2 bonds, 1 lone pair, 120° 
 
 
 
Tetrahedral 
4 bonds; 109.5° 
 
 
 
Tetra; trigonal pyramidal 
3 bonds, 1 lone pair; 109.5° 
 
 
 
Tetra; bent 
2 bonds, 2 lone pairs; 109.5° 
 
 
 
Trigonal bipyramidal 
5 bond...
Choose the most CORRECT property of an organic compound. 
 
A) low boiling point 
B) high melting point 
C) conducts current 
D) flammable 
E) A and D 
Answer: E) A and D 
 
A) Low boiling point AND 
D) Flammable 
 
 
 
Which of the following compounds will have double bond(s) in it? 
 
A) octane 
B...
Vorschau 1 aus 2 Seiten
In den EinkaufswagenChoose the most CORRECT property of an organic compound. 
 
A) low boiling point 
B) high melting point 
C) conducts current 
D) flammable 
E) A and D 
Answer: E) A and D 
 
A) Low boiling point AND 
D) Flammable 
 
 
 
Which of the following compounds will have double bond(s) in it? 
 
A) octane 
B...
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