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Chem 113 > Midterm 2 > Flashcards

Midterm 2 Flashcards

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1
Q

C - C

A

Alkane

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2
Q

C = C

A

Alkene

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3
Q

C ≡ C

A

Alkyne

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4
Q

R-OH

A

Alcohol

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5
Q

R-X

A

Haloalkane

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6
Q

R1-O-R2

A

Ether

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7
Q 
R1
|
C= O
|
R2
A

Ketone

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8
Q 
R
|
C= O
|
OH
A

Carboxylic Acid

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9
Q 
R
|
C= O
|
H
A

Aldehyde

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10
Q 
R1
|
C = O
|
O
|
R2
A

Ester

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11
Q 
R1
|
C= O
|
NH
|
R2
A

Amide

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12
Q 
R
|
N-H
|
H
A

Amine

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13
Q

Tetrahedral

Hybridization

A

sp3

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14
Q

Trigonal Planar

Hybridization

A

sp2

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15
Q

Linear

Hybridization

A

sp

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16
Q

109.5°

A

Tetrahedal

17
Q

120°

A

Trigonal Planar

18
Q

120°

A

Trigonal Planar

19
Q

180°

A

Linear

20
Q

Chirality

A

tetrahedral center has distinct substituents, so it cannot be imposed on it’s mirror image (enantiomer)

21
Q

Nucleophiles

A

Electron rich species: Alcohols, Amines

22
Q

Electrophiles

A

Electron poor species: Carbonyls

23
Q

Amidation

Carboxylic Acid + Amine

A 
R1
|
C = O
|
NH
|
R2
24
Q

Esterification

Carboxylic Acid + Alcohol

A 
R1
|
C = O
|
O
|
R2
25
Q

Why does increase in temp speed up rxn?

A

More Collisions

26
Q

Is heterogenous or homogenous rxn faster?

A

Homogenous, as in heterogenous, the rxn can only happen where the states mix

27
Q

Do reaction orders depend on stoichiometry

A

NO!

28
Q

Why does higher concentration increase rxn speed?

A

More Collisions!

29
Q

Why do catalysts increase rxn speed?

A

Lowers the activation energy

by changing the rxn mechanism

30
Q

Which step is rate limiting?

A

The slow one, this dictates overall rxn order

31
Q

Can a mechanism be proven?

A

NO!

32
Q

Number of protons in an Atom

A

Atomic Number

33
Q

for element Q with atomic number i, how many protons and electrons does it have?
yxQ

A

i - x protons
y electrons

34
Q

What kind of kinetics does nuclear decay follow?

A

First Order

Chem 113 (3 decks)

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