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AP Chem > Electrochem > Flashcards

Electrochem Flashcards

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1
Q

What is the oxidation number of group one on the periodic table?

A

+1

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2
Q

What is the oxidation number for group 2 on the periodic table?

A

+2

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3
Q

What is the oxidation number of hydrogen?

A

+1 with a nonmetal
-1 with a metal

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4
Q

What is the oxidation number of oxygen?

A

-2

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5
Q

What is the oxidation number of the halogen row? (F, Cl)

A

-1

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6
Q

What is the oxidation number of Ag?

A

1

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7
Q

What is the saying for oxidation and reduction?

A

L
E
O
says
G
E
R

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8
Q

What reactions are always redox?

A

Single replacement

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9
Q

What type of reaction is never redox?

A

Double replacement

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10
Q

What does it mean if an element is at the top of the activity series list?

A

It is more likely to kick something out below it, more spontaneous

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11
Q

What is a galvanic cell?

A

A way to connect oxidation and redox to allow electrons to flow and produce electricity

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12
Q

What is on the left of a galvanic cell?

A

Anode

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13
Q

What occurs in the left side of a galvanic cell?

A

Oxidation

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14
Q

What occurs in the anode?

A

Oxidation

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15
Q

What is the right part of a galvanic cell?

A

Cathode

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16
Q

What occurs in the right of a galvanic cell?

A

Reduction

17
Q

What occurs in the cathode?

A

Reduction

18
Q

Will the anode increase or decrease in mass?

A

Decrease

19
Q

Will the cathode increase or decrease in mass?

A

Increase

20
Q

How do you calculate E*Cell?

A

Red-Ox

21
Q

What does a positive vs. negative E*Cell mean (in terms of spontaneity)?

A

Positive: spontaneous
Negative: nonspontaneous

22
Q

What does a positive E*Cell mean (in terms of anode or cathode)

A

Cathode

23
Q

What does a negative E*Cell mean (in terms of anode or cathode)

A

Anode

24
Q

How do you calculate delta G?

A

Delta G = -nFE*Cell

25
Q

What is n in Delta G = -nFE*Cell?

A

Moles of electrons

26
Q

What is F in Delta G = -nFE*Cell

A

Faradays constant (96485)

AP Chem (3 decks)

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