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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

29
Q

What is CrEr and diagnostics

30
Q

Reversible chemical reaction: ErCr

31
Q

Diagnostic criteria of ErCr

32
Q

Following irreversible chemical reaction

33
Q

Diagnostic criteria of ErCi

34
Q

EC with catalytic regeneration

35
Q

Bulk electrolysis
Faraday law

36
Q

Pulsed techniques

37
Q

DPV
pot vs time

38
Q

DPV
current vs potential

39
Q

Hydrodynamic techniques

40
Q

RDE

41
Q

RDRE
setup

42
Q

RDRE
E vs i

43
Q

RDRE ferrocyanide solution

44
Q

Metalloproteins that react with 02
reversible

45
Q

Hemoproteins
oxymyoglobin

46
Q

Hemoglobin

47
Q

Hemocyanins

48
Q

Hemerythrin

49
Q

Metalloproteins that react with O2:
irreversible reactions

50
Q

Dioxygenases

51
Q

Cytochrome c oxidase

52
Q

basics of water splitting

53
Q

pourbaix diagram of water

54
Q

overpotential

55
Q

Hydrogenases
FeFe

56
Q

Hydrogenases
FeNi

57
Q

Hydrogenases

58
Q

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

59
Q

Electrochemical CO2 reduction

60
Q

CO2 reduction in Nature
CODH

61
Q

CODH
cycle

62
Q

Mo-S-Cu CODH

63
Q

Macrocyclic ligands

64
Q

Direct CO2 hydrogenation to MeOH

65
Q

Hydrogen storage capacity

66
Q

spectroelectrochemistry

67
Q

covalent attachment to glassy carbon

68
Q

electrochemiluminescence

IOC (1 decks)

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