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Content Review > Full Length Exam Weaknesses (C/P) > Flashcards

Full Length Exam Weaknesses (C/P) Flashcards

1
Q

Introducing a catalyst lowers the

A

activation energy, always

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2
Q

How many reactants does a second order reaction have?

A

it can only have two

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3
Q

In a spontaneous reaction, we know Delta G must be <0, and therefore what must Keq be?

A

> 1

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4
Q

-log[H+] is equal to ….

A

pH

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5
Q

a very finely ground powder, suspended in a solution, but not dissolved, is known as

A

a colloid

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6
Q

molecules with hydrogen bonds have an increased boiling point or decreased?

A

increased.

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7
Q

In a neutral (uncharged) molecule, the oxidation numbers must add up to

A

zero

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8
Q

Mean Arterial Pressure at the head level but be (lesser/greater) than at the heart

A

lesser

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9
Q

During systole, elastic energy potential is stored in the ___

A

arterial wall

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10
Q

NH3 functions as a Lewis _____ because of its lone pair

A

Lewis Base

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11
Q

At STP, 1 mole of gas occupies ___- Liters

A

22.4 L

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12
Q

Most proteases are stereospecific, meaning they only cleave what form of peptides?

A

L- forms (and therefore D- amino acids display resistance to proteolysis)

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13
Q

What is the relationship between power, work and time?

A

Power (W) = Work (J) / Time (sec)

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14
Q

The molecule that is losing the electrons is referred to as the ____ agent

A

reducing

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15
Q

Is an oxidized form of a molecule one that contains a hydroxyl group or a ketone?

A

A ketone, as it has a double bond to oxygen (more bonds to oxygen)

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16
Q

Does a higher melting point mean higher or lower stability of a molecule?

A

higher stability

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17
Q

Strong acids have (strong/weak) conjugate bases

A

weak

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18
Q

Asking which compound has the most stable conjugate base is therefore also asking…..

A

which compound is the weakest acid (most stable acid)

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19
Q

What is Ohms law?

A

V= IR (voltage= current x resistance)

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20
Q

chiral centers have what sort of hybridization

A

sp3

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21
Q

What color has the shortest wavelength?

A

Violet

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22
Q

What color has the longest wavelength?

A

Red

23
Q

wavelength and frequency are _____ proportional

A

inversely

24
Q

what color has the highest frequency?

A

violet

25
Q

in a second order reaction, rate is dependent on ______ reactant

A

BOTH of the reactants

26
Q

Q is the concentration of _____

A

products

27
Q

T or F; liquids do not typically undergo a large change in volume when temperature changes

A

T; gases, on the other hand, do change in volume– based on temperature

28
Q

the ____ of a sound wave is the reciprocal of the frequency

A

period (period and wavelength are essentially the same thing)

29
Q

the Doppler Effect shifts ______

A

frequency

30
Q

Photons (DO/ DO NOT) have a charge

A

do not

31
Q

pancreatic secretions are (acidic/basic)

A

acidic

32
Q

hemiacetals are present in what biological molecule

A

sugars

33
Q

Decarboxylation is the loss of what functional group

A

-COOH

34
Q

____ is equal to the pH when half of the compound is in a protonated form and the other half is in a deprotonated form

A

the pKa

35
Q

deprotonation occurs at a higher/lower ph

A

higher (more basic)

36
Q

a shorter wavelengh is equal to photons of a ____ energy

A

higher/larger

37
Q

going DOWN the periodic table, nucleophilicity ____

A

decreases

38
Q

The products of the Pentose-Phosphate Pathway are:

A

Fructose-6-phosphate
Glyceraldehyde-3-phosphate
NADPH
Ribose-5-Phosphate

39
Q

Amps x Time (in seconds) gives you the _____

A

charge

40
Q

Centripetal force is the force pointing away from the center of a circle (T or F)

A

F, it is the force pointing towards the circle

41
Q

Aromatic crown ethers are (soluble/insoluble) in water and alcohol

A

insoluble

42
Q

WE know that all human amino acids have an L configuration, and this corresponds to (R) or (S) stereochemistry?

A

S

43
Q

T or F; Catalysts affect Delta G

A

False, just activation energy

44
Q

Would a larger atom or a smaller atom form a more stable conjugate base?

A

Larger

45
Q

When converting from an aldehyde to carboxylic acid, is an oxygen gained or lost?

A

A bond to oxygen is gained (oxidation occurs)

46
Q

Reverse transcriptase is used on ___

A

mRNA, to then create DNA

47
Q

What causes amino acids to migrate in electrophoresis

A

Their charge

48
Q

Aluminums oxidation number is always

A

+3

49
Q

Hydrogen’s oxidation number is typically, and what is the exception

A

+1, except when bonded to metals (LaH, NaH, CaH2) and then it’s number is -1

50
Q

Flourine’s oxidation number is always

A

-1

51
Q

Alkali metals oxidation number is typically

A

+1

52
Q

Alkaline earth metals oxidation number is typically

A

+2

53
Q

Oxygen’s oxidation number is almost always

A

-2, except when in hydrogen peroxide (H2O2) or peroxide (O2)2- when its number is -1

Content Review (8 decks)

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