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IOC > FE > Flashcards

FE Flashcards

1
Q

Nernst equation

A
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2
Q

Faraday’s law

A
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3
Q

Faraday number

A

96 500

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4
Q

Nernst equation Julia
What is overpotential?

A
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5
Q

Which potential should an oxidant have for 99% and 90% conversion?

A

+0.236 V for 99%
+0.11V for 90%

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6
Q

Which potential should a reductant have for 90% and 99% conversion?

A

-0.236V for 99%
-0.11V for 90%

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7
Q

What is different for irreversible reactions?

A
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8
Q

Basic of electron transfer

A
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9
Q

Types of mass transport

A
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10
Q

Linear diffusion

A

duck shape

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11
Q

radial diffusion

A

sigmoidal shape

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12
Q

What are the electrodes in a three electrode cell?

A

auxiliary
working
reference (should have a high potential)

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13
Q

What is the NHE electrode?
Give the reatcion

A

normal hydrogen electrode (E = 0V)
2 H+ +2- = H2

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14
Q

Draw the NHE!

A

script

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15
Q

What is the SCE electrode?
GIve its reactions!

A

Saturated Calomel Electrode

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16
Q

Give the reactions of aqueous and non-aqueous silver reference electrodes!

A

scrip

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17
Q

Draw a cv and give all 5 parameters!

A

look up

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18
Q

what is the intrinsic rate constant?

A

look

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19
Q

Which processes are considered as reversible?

A

page 17

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20
Q

What does the Randles-Sevcik equation tell you?

A

give prportionalities (p18)

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21
Q

What are the diagnostic criteria to check if a process is reversible?

A

To check:
- record CV at variable scan rate
- measure ip

Potential:
- Epf is independent on scan rate
- - Delta Ep = 59/n

Current:
- ipr/ipf = 1 and is constant
- ipf/v^1/2 is constant and independent on scan rate

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22
Q

How can you determine formal potential from cv?

A

p19

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23
Q

What are the diagnostic criteria for irreversible processes?

A

p20

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24
Q

What are the diagnostic criteria for quasireversible processes?

A

p21

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25
Q

What is the chemical meaning of a reversible process?

A

p22

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26
Q

What is the chemical meaning of a quasireversible process?

A

p23

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27
Q

Draw the CV of ErEr

A

p24

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28
Q

Two electrons transfer: communication

A

p25

29
Q

What is CrEr and diagnostics

A

p27, p28

30
Q

Reversible chemical reaction: ErCr

A

p29

31
Q

Diagnostic criteria of ErCr

A

p30

32
Q

Following irreversible chemical reaction

A

p31

33
Q

Diagnostic criteria of ErCi

A

p32

34
Q

EC with catalytic regeneration

A

p33

35
Q

Bulk electrolysis
Faraday law

A

p34

36
Q

Pulsed techniques

A

p35

37
Q

DPV
pot vs time

A

p36

38
Q

DPV
current vs potential

A

p37

39
Q

Hydrodynamic techniques

A

p38

40
Q

RDE

A

p39

41
Q

RDRE
setup

A

p40

42
Q

RDRE
E vs i

A

p41

43
Q

RDRE ferrocyanide solution

A

p42

44
Q

Metalloproteins that react with 02
reversible

A

p43

45
Q

Hemoproteins
oxymyoglobin

A

p44

46
Q

Hemoglobin

A

p45

47
Q

Hemocyanins

A

p46

48
Q

Hemerythrin

A

p47

49
Q

Metalloproteins that react with O2:
irreversible reactions

A

p48

50
Q

Dioxygenases

A

p49

51
Q

Cytochrome c oxidase

A

p50

52
Q

basics of water splitting

A

p51

53
Q

pourbaix diagram of water

A

p52

54
Q

overpotential

A

p53

55
Q

Hydrogenases
FeFe

A

p54

56
Q

Hydrogenases
FeNi

A

p55

57
Q

Hydrogenases

A

p56

58
Q

Catalysts containing pendant bases in second coordination sphere
inspired by FeFe hydrogenases

A

p57

59
Q

Electrochemical CO2 reduction

A

p58

60
Q

CO2 reduction in Nature
CODH

A

p59

61
Q

CODH
cycle

A

p60

62
Q

Mo-S-Cu CODH

A

p61

63
Q

Macrocyclic ligands

A

p62

64
Q

Direct CO2 hydrogenation to MeOH

A

p63

65
Q

Hydrogen storage capacity

A

p64

66
Q

spectroelectrochemistry

A

p65

67
Q

covalent attachment to glassy carbon

A

p66

68
Q

electrochemiluminescence

A

p67

IOC (1 decks)

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