Clicker Question Which of the following quantities is the largest? A.2.0 km B.2.0 cm C.2.0 mm D.2.0...

Clicker Question

Which of the following quantities is the largest?

A. 2.0 km

B. 2.0 cm

C. 2.0 mm

D. 2.0 Gm

Example 2a. (Clicker Question)

The number of significant figures in

400000 m is:

A. 1

B. 2

C. 4

D. 6

Example 2b. (Clicker Question)

The number of significant figures in 200.0 mL is:

A. 4

B. 3

C. 2

D. 1

Example 2c. (Clicker Question)

The number of significant figures in

0.000105000 g is:

A. 2

B. 3

C. 6

D. 9

E. 10


4378.99 to 3 SF is:

A. 4.38

B. 438

C. 4380

D. 4380.

E. 4380.00


0.004588 to 2 SF is:

A. 0.0046

B. 0.004600

C. 46

D. 4600

E. 4.6 x 10-2


3900000 to 4 SF

A. 3.900

B. 3900

C. 3900.

D. 3.900 x 106

E. 3.900 x 107

Example 3d. (Clicker Question)

10 to 5 SF

A. 1.0000

B. 10.000

C. 10000.

D. 10.000 x 10-5

E. 10.000 x 105


164 lb in kilograms (kg) is:

A. 0.164

B. 74.4

C. 360.8

D. 2.624 x 103


700.0 μL in mL is:

A. 7.000 x 10-7 mL

B. 7.000 x 10-5 mL

C. 0.7000 mL

D. 7.000 x 105 mL

Clicker Question

Sulfur will most likely __ electrons to become stable.

A. gain two

B. gain six

C. lose two

D. lose six

Clicker Question

Magnesium will prefer to __ electrons and will have a __ charge.

A. Gain two; -2

B. Gain two; +2

C. Lose two; -2

D. Lose two; +2

Example 2. (Clicker Question)

The chemical formula formed by magnesium ion and chloride ion is:

A. MgCl2B. Mg2Cl

C. MgC2

D. Mg2C


The chemical formula formed by iron (III) ion and chloride ion is:

A. FeCl3B. Fe3Cl

C. IrCl3D. Ir3Cl


The name of Ba3N2 is:

A. Barium nitride

B. Barium(III) nitride

C. Barium(II) nitride

D. Barium nitrogen

E. Tribarium dinitrogen


The charge on the transition metal is __.

The name of the compound is __.

A. +2; vanadium(II) sulfide

B. +2; vanadium(II) sulfur

C. +4; vanadium(IV) sulfide

D. +4; vanadium(IV) sulfur


The charge on the transition metal is __.

The name of the compound is __.

A. +1; magnesium(I) fluoride

B. +1; manganese(I) fluoride

C. +7; magnesium(VII) fluoride

D. +7; manganese(VII) fluoride


The name of PCl5 is:

A. Monophosphorus pentachloride

B. Monopotassium pentachloride

C. Phosphorus pentachloride

D. Potassium pentachloride


The chemical formula formed by iron (III) ion and ClO3

- is:

A. FeClO4

B. FeClO7

C. FeCl3O12

D. Fe(ClO4)3


The chemical formula formed by sodium ion and sulfate ion is:

A. NaSO4

B. Na2SO4

C. Na(SO4)2

D. Na2(SO4)2

E. NaS2O4


The chemical formula formed by iron (II) ion and sulfate ion is:

A. FeSO4

B. FeS2O4

C. Fe2(SO4)2

D. Fe2(SO4)3

E. Fe3(SO4)3


The chemical formula formed by iron (III) ion and sulfate ion is:

A. FeSO4

B. Fe2(SO4)2

C. Fe2(SO4)3

D. Fe3(SO4)3

E. Fe3S3O4


The name of Mg(ClO4)2 is:

A. Magnesium perchlorate

B. Magnesium (II) perchlorate

C. Manganese perchlorate

D. Manganese (II) perchlorate


The name of Fe(OH)3 is:

A. Iron hydroxide

B. Iron (I) hydroxide

C. Iron (III) hydroxide

D. Iron trihydroxide


The name of NH4Cl is:

A. Ammonium chlorate

B. Ammonium chloride

C. Nitrogen perchlorate

D. Nitrogen tetrahydrogenchloride


The formula mass for MgSO4 is:

A. 72.38 amu

B. 120.38 amu

C. 151.01 amu

D. 184.38 amu


The formula mass of lithium sulfate is:

A. 39.01 amu

B. 103.01 amu

C. 109.95 amu

D. 199.08 amu


The number of moles in 4.32 x 1022 molecules of aspirin is:

A. 0.0718

B. 13.9

C. 7.18 x 1044

D. 7.18 x 1046


The no. of moles present in 12.25 g of aspirin (C9H8O4) is:

A. 0.04861 mol

B. 0.06798 mol

C. 14.71 mol

D. 2207 mol

Example 1b.

What is the electron geometry around C (a), C (b) and C (c)?

A. tetrahedral; tetrahedral; tetrahedral

B. tetrahedral; trigonal planar; tetrahedral

C. tetrahedral; linear; pyramidal

D. tetrahedral; bent; trigonal planar

CH CH

H

OCH

HH

a b c

Example 1b.

What is the molecular shape around C (a), C (b) and C (c)?

A. tetrahedral; tetrahedral; tetrahedral

B. tetrahedral; trigonal planar; tetrahedral

C. tetrahedral; linear; pyramidal

D. tetrahedral; bent; trigonal planar

CH CH

H

OCH

HH

a b c

Example 1c.

What is the electron geometry around C (a) and C (b) ?

A. linear; linear

B. tetrahedral; tetrahedral

C. tetrahedral; linear

D. bent; bent

C CH Ha b

Example 1c.

What is the molecular shape around C (a) and C (b) ?

A. linear; linear

B. tetrahedral; tetrahedral

C. tetrahedral; linear

D. bent; bent

C CH Ha b


102.3 °F in °C is:

A. 24.8 °C

B. 39.1 °C

C. 216 °C

D. 242 °C


27.5 °C in °F is:

A. 47.3 °F

B. 49.5 °F

C. 81.5 °F

D. 107 °F


_____ has a higher boiling point, because _____.

A. PH2Cl, it has dipole forces

B. NH2Cl, it has H-bonding

C. PH2Cl, it has a higher molecular weight

D. NH2Cl, it has dipole forces


_____ has a higher boiling point, because _____.

A. GeBr4, it has dipole forces

B. GeH4, it has H-bonding

C. GeBr4, it has a higher molecular weight

D. GeH4, it has dipole forces


425 mmHg in atm and bar is ____ and ____, respectively.

A. 0.559 atm; 0.566 bar

B. 0.559 atm; 0.552 bar

C. 1.79 atm; 1.81 bar

D. 3.23 x 105 atm; 3.27 x 105 bar

Clicker Question

A cylinder with a movable piston has a volume of 150 mL. If the temperature is kept constant, while the pressure inside the cylinder is doubled, the volume of the cylinder:

A. Will also be doubledB. Will be halvedC. Will be squaredD. Will not change

Clicker Question

A balloon has a volume of 150 mL. If the pressure is kept constant, while the temperature is halved, the volume of the balloon:

A. Will also be doubled

B. Will be halved

C. Will be squared

D. Will not change


Where do you expect your soda to have more bubbles, at the beach or in the mountains?

A. At the beach; pressure is higher, hence more dissolved CO2

B. In the mountains; pressure is higher, hence more dissolved CO2

C. At the beach; pressure is lower, hence more dissolved CO2

D. In the mountains; pressure is lower, hence more dissolved CO2


150.0 μg/mL in g/L is:

A. 1.5 x 10-4 g/L

B. 1.500 x 10-4 g/L

C. 0.015 g/L

D. 0.15 g/L

E. 0.1500 g/L


The molecules in 2b are:

A. Different bec. they have different chemical formulas

B. Different bec. they are structural isomers

C. Identical

C CH

HH

CH

H

HH

H

C CC

HH

H H

HH


The molecules in 2c are:



C. Identical

C CH

HH

CH

H

HC

HH

H

H

CC C CHH H

HH

H

HHHH


The molecules in 2d are:



C. Identical

C CH

HH

C CC

H

H

H

H

HH

H

HH

H C C CH

H

HC

C

HH

H

HH H HH


The molecular formula of 4c is:

A. C3H6O2

B. C3H6O3

C. CH3CH(OH)CHO

D.

CHH

HCO

H

H

CO

H


The expanded structural formula of 4d is:

A. B.

C. D.

CH2CH2 CH2

Example 4e. (Clicker Question)

The expanded structural formula of 4e is:

A. B.

C. D.

OH

O


The molecule in 5c:

A. YES geom. isomerism; CIS

B. YES geom. isomerism; TRANS

C. NO geom. isomerism; CIS

D. NO geom. isomerism; TRANS

E.NO geom. isomerism; no cis/trans

C CBr

CH3

H

CH3

Clicker Question

What will be the condensed structure of butane?

A. C.

B. D.


The IUPAC name for 8b is:

A. 2-ethylpentaneB. 3-ethylpentaneC. 2-ethylhexaneD. 3-methylhexaneE. 4-methylhexane


The IUPAC name of this molecule is:

A. 2-ethyl-3-methylpentane

B. 2,3-trimethylpentane

C. 2,2,3-trimethylpentane

D. 1-t-butyl-2-methylpentane

E.2-t-butyl-3-methylpentane


The IUPAC name for 8d is:

A. 2-fluoro-3-ethylpentaneB. 3-ethyl-2-fluoropentaneC. 3-ethyl-4-fluoropentaneD. 4-fluoro-3-ethylpentaneE. 3,3-dimethylpentane

F


The IUPAC name of 9c is:

A. 3-isopropyl-2-hexene

B. 3-isopropyl-1-hexene

C. 3-propyl-2-hexene

D. 3-propyl-1-hexene

E.3,3-dimethyl-1-hexene


The IUPAC name of 9d is:

A. 1-iodo-3-pentyne

B. 1-iodo-4-hexyne

C. 5-iodo-2-pentene

D. 5-iodo-2-pentyne

E. 6-iodo-2-hexyne

I


The IUPAC name of 10b is:

A. 1-propyl-2-methyl-4-isobutylcyclohexane

B. 1-propyl-2-methyl-4-isobutylhexane

C. 4-isobutyl-2-methyl-1-propylcyclohexane

D. 4-isobutyl-2-methyl-1-propylhexane

CH2

CH3

CH2 CHCH3

CH3CH2CH3



A. 1-fluoro-2-ethyl-2-cyclohexene

B. 2-ethyl-1-fluorocyclohexene

C. 2-ethyl-3-fluorocyclohexene

D. 3-fluoro-2-ethylcyclohexene

CH2CH3

F


The condensed structure of 3,3-dichloropentane is:

A. B.

C. D.


Which of the following is NOT a skeletal line structure of 3-ethyl-1-pentene:

A. B.

C. D.


The skeletal line structure of methylcyclopropane is:

A. B.

C. D.


The IUPAC name of 13a is:

A. 1-ethylbenzene

B. 1-methyltoluene

C. ethylbenzene

D. methyltoluene

CH2CH3



A. 1,2-diethylbenzene

B. 1,2-ethylbenzene

C. 1,2-diethyltoluene

D. 2-ethyltoluene

CH2CH3CH2CH3


Which of the following is NOT a name of 13c:

A. 1-chloro-3-methylbenzene

B. 3-chlorotoluene

C. 3-chlorobenzene

D. m-chlorotoluene

CH3

Cl



A. 1,2,3-trimethyl-1-butanol

B. 1,2,3-trimethyl-2-pentanol

C. 2-isopropyl-3-methyl-2-butanol

D. 2,3,4-trimethyl-1-butanol

E. 3,4-dimethyl-2-pentanol


The common name of 4b is:

A. 1-ethyl propane ether

B. Ethyl propane ether

C. Ethyl propyl ether

D. Propyl ethyl ether

CH3CH2 OCH2CH2CH3


The condensed structure of 4 is:

A. B.

C. D.



A. 2-ethylphenol

B. m-ethylphenol

C. o-ethylphenol

D. p-ethylphenol

CH2CH3OH


The expanded structure of 2,4-dibromophenol is:

A.B. C.

D. E.



A. 2-ethylbutanal

B. 2-methylbutanal

C. 3-ethylpentanal

D. 3-methylpentanal

E. 3-ethyl-3-pentanal



A. 1-bromo-3-butanone

B. 1-bromo-4-pentanone

C. 4-bromo-2-butanone

D. 5-bromo-2-pentanone

O

Br



A. 2,3-dimethylbutanoic acid

B. 3,4-dimethylhexanoic acid

C. 3,4-dimethyl-2-hexanoic acid

D. 2,3-dimethyl-2-hexanoic acid

E. 2,3-dimethylpentanoic acid


The condensed structure of 11 is:

A. B.

C. D.



A. Butyl propanoate

B. Ethyl propanoate

C. Propyl butanoate

D. Propyl ethanoate



A. N-ethylbutanamide

B. N-ethylpropanamide

C. N-methylbutanamide

D. N-methylpropanamide


The skeletal structure of 14a is:

A. B. C.

D. E.


The IUPAC name of 17d is:

A. N-ethyl-N-methyl-3-pentanamine

B. N-methyl-N-ethyl-3-pentanamine

C. 3-ethyl-3-methylpentanamine

D. 3-methyl-3-ethylpentanamine

N


The reaction in 5a is __.

The surroundings become __.

A. endothermic; cooler

B. endothermic; warmer

C. exothermic; cooler

D. exothermic; warmer

SO2 (g) + 2 NaOH (aq) Na2SO3 (aq) + H2O (l) + 39.3 kcal


The EA and ΔH for the forward reaction is:

A. 250 kJ; -50 kJ

B. 250kJ; +50 kJ

C. 300 kJ; -50 kJ

D. 300 kJ; +50 kJ

E. 300 kJ; +250 kJ


The EA and ΔH for the reverse reaction is:

A. 250 kJ; -50 kJ

B. 250kJ; +50 kJ

C. 300 kJ; -50 kJ

D. 300 kJ; +50 kJ

E. 300 kJ; +250 kJ

Example 1b. Clicker Question

According to the Bronsted definition, the reactant acid in the reaction below is:

NH3 + H2O NH4+ + OH-

A. NH3

B. H2O

C. NH4+

D. OH-


The conjugate base of HCO3- is:

A. CO32-

B. CO3-

C. HCO3

D. H2CO3

E. H2CO3+


The conjugate acid of HPO42- is:

A. PO43-

B. HPO4-

C. H2PO4-

D. H2PO4

E. H2PO4+


The conjugate base of methanoic acid is:

A. B.

C. D.

Clicker Question

What substances are present at equilibrium for the reaction below?

NH3 + H2O NH4+ + OH-

A. None are present

B. NH3 and H2O

C. NH4+ and OH-

D. NH3, H2O, NH4+ and OH-

Clicker Question

What substances are present at the end of the reaction for the reaction below?

HBr + H2O H3O+ + Br-

A. None are present

B. HBr and H2O

C. H3O+ and Br-

D. HBr, H2O, H3O+ and Br-


The expanded structure of the organic product in #7 is:

A. B.

C. D.


The structure of ethanamine at physiological pH is:

A. B.

C. D.


The structure of ethanoic acid at physiological pH is:

A. B.

C. D.


In #2, the oxidation reaction/s is/are:

A. (a) only

B. (a), (b) and (c)

C. (a) and (c)

D. (b) and (c)

E. (c) only


The expanded structure of the product in 3a is:

A. B.

C. D.


The IUPAC name of the product in 3b is:

A. cyclopentane

B. cyclopentene

C. 1-cyclopentane

D. 1-pentene

E.pentane


The expanded structure of the final product of 4c is:

A. B.

C. D. No reaction


The IUPAC name of the final product in 4d is:

A. 2-methylbutanal

B. 2-methylpropanal

C. 2-methylpropanoic acid

D. 2-methylbutanoic acid

E. No reaction


The expanded structure of the product in 5a is:

A. B.

C. D.


The skeletal line structure of the product in 5b is:

A. B.

C. D.


How many organic products will the hydration of 2-butene produce?

A. Only 1; the –OH is on the 1st carbon

B. Only 1; the –OH is on the 2nd carbon

C. Two; one with an –OH on the 1st carbon, and another on the 2nd carbon

D. Two; one with an –OH on the 2nd carbon, and another on the 3rd carbon


The name of the MAJOR product in 6b is:

A. 1-propanol

B. 2-propanol

C. 2-methyl-1-propanol

D. 2-methyl-2-propanol

E.2-butanol


The name of the product/s in 7b is/are:

A. 1-butene; 2- butene

B. 2-butene

C. 2-methyl-1-butene

D. 2-methyl-2-butene

E.2-methyl-1-butene; 2-methyl-2-butene


The structure of the products in #8 at physiological pH is:

A. B.

C. D.


The expanded structure of one of the organic products in #9 is:

A. B.

C. D.


The condensed structure of the product in #10 is:

A. B.

C. D.


The IUPAC name of the product in 11a is:

A. methylethanamide

B. methylethanamine

C. N-methylethanamide

D. N-methylethanamine


The IUPAC name of the product in 11b is:

A. N-methyl-N-ethylethanamide

B. N-ethyl-N-methylethanamide

C. N-isopropylethanamide

D. ethylmethyl-2-ethanamide

E.ethylmethyl-N-ethanamide


The chiral carbon/s in 2b is:

A. X

B. Y

C. Z

D. Y and Z

E. None


The chiral carbon/s in 2c is:

A. X

B. Y

C. Z

D. Y and Z

E. None


The H-bond that occur/s in a secondary structure is/are:

A. B.

C. D.

Clicker Question

What type of reaction is involved in the formation of a disulfide bond?

A. Oxidation

B. Reduction

C. Hydrolysis

D. Esterification

Clicker Question

Denaturation DOES NOT break:

A. Peptide bonds

B. Hydrogen bonds on backbone

C. Disulfide bonds

D. Hydrogen bonds on side chain


The anomeric carbon is __;

The structure is a/an __ anomer.

A.Y; aB.Y; bC.X; aD. X; b


The anomeric carbon is __;

The structure is a/an __ anomer.

A.T; aB.T; bC.X; aD. X; b


The glycosidic linkage in 6a is:

A. 12B. 12C. 14D. 14

O

OH OHO

OH

CH2OH

O

OHOH

OH

CH2OH


The glycosidic linkage in 6b is:

A. 11B. 11C. 16D. 16


Using the delta system, the eicosapentanoic acid would be a Δ__ fatty acid.

A. 3, 6, 9, 12, 15

B. 4, 7, 10, 13, 16

C. 5, 8, 11, 14, 17

D. 6, 9, 12, 15, 18


Plant cell membranes are more rigid structures compared to animal cell membranes.

Which one do you think contains more unsaturated fatty acids?

A. Plant cell membranes

B. Animal cell membranes


The β-oxidation of myristic acid will produce __ acetyl CoA molecules.

A. 6

B. 7

C. 8

D. 14

Clicker Question Which of the following quantities is the largest? A.2.0 km B.2.0 cm C.2.0 mm D.2.0...

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Transcript of Clicker Question Which of the following quantities is the largest? A.2.0 km B.2.0 cm C.2.0 mm D.2.0...