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Chemistry II > Extra Notes (Exam 4) > Flashcards

Extra Notes (Exam 4) Flashcards

1
Q

What is the first step in balancing redox reactions (in acidic conditions)?

A

Write the two half equations

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2
Q

What is the second step in balancing redox reactions (in acidic conditions)?

A

Balance all elements EXCEPT O and H

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3
Q

What is the third step in balancing redox reactions (in acidic conditions)?

A

Balance O by adding water

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4
Q

What is the fourth step in balancing redox reactions (in acidic conditions)?

A

Balance hydrogen by adding H+

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5
Q

What is the fifth step in balancing redox reactions (in acidic conditions)?

A

Balance charge by adding electrons (decreases charge)

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6
Q

What is the sixth step in balancing redox reactions (in acidic conditions)?

A

Multiply reactions so electrons are equal between them

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7
Q

What is the seventh step in balancing redox reactions (in acidic conditions)?

A

Combine reactions/cancel out electrons

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8
Q

What is the first step in balancing redox reactions (basic conditions)?

A

Write the two half reactions

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9
Q

What is the second step in balancing redox reactions (basic conditions)?

A

Balance all elements EXCEPT O and H

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10
Q

What is the third step in balancing redox reactions (basic conditions)?

A

Balance O by adding water

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11
Q

What is the fourth step in balancing redox reactions (basic conditions)?

A

Balance hydrogen by adding H+

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12
Q

What is the fifth step in balancing redox reactions (basic conditions)?

A

Balance charge by adding electrons (decreases charge)

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13
Q

What is the sixth step in balancing redox reactions (basic conditions)?

A

Multiply reactions so electrons are equal between them

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14
Q

What is the seventh step in balancing redox reactions (basic conditions)?

A

Combine reactions/cancel things out

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15
Q

What is the eighth step in balancing redox reactions (basic conditions)?

A

Add the same number of OH- to both sides to neutralize H+

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16
Q

What is the conversion of one nuclide/atom into another?

A

Transmulation

17
Q

What is the decomposition of some sort of molecule?

A

Nuclear fission

18
Q

What is the combination of very light nuclei—-converts mass into large amounts of energy?

A

Nuclear fusion

19
Q

Where are transition metals found?

A

d-block and f-block

20
Q

What forms coordinate covalent bonds?

A

Transition metals

21
Q

What are the two things that transition metals are made up of?

A

Lewis acid and Lewis base

22
Q

What is the lewis acid in a transition metal?

A
  • e acceptor
  • central atom
23
Q

What is the lewis base in a transition metal?

A
  • e donor
  • ligand
  • has variety
  • has to have one or more electron pairs
24
Q

What does F equal in the equation: G= -n(F)Ecell(standard)

A

96485

25
Q

Which of the following reactions best described beta decay?

A

Neutron—-proton + emitted electron

26
Q

What is the process when an electron is emitted by an unstable nucleus called?

A

Beta decay

27
Q

Which has the highest penetrating power?

A

Gamma

28
Q

Which has the lowest penetrating power?

A

Alpha

29
Q

For elements 1-20, what is the idea N-to-Z ratio?

A

1

30
Q

For the elements 20-40, what is the ideal N-to-Z ratio?

A

1.23

31
Q

For the elements 20-40, what is the ideal N-to-Z ratio?

A

1.25

32
Q

For the elements 40-80, what is the ideal N-to-Z ratio?

A

1.5

33
Q

What happens for elements above 83?

A

There is no stable nuclei

34
Q

What type of decay occurs when N-to-Z ratio is too high?

A

Beta decay

35
Q

What type of decay occurs when N-to-Z ratio is too low?

A

Positron emission and electron capture

36
Q

Which type of decay helps to make heavy nuclei lighter (only decay to change mass)?

A

Alpha decay

37
Q

What is the number of donor atoms attached?

A

Coordination number

Chemistry II (12 decks)

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