CHEM 1100 Exam 2 Flashcards

(18 cards)

1
Q

Lose Electrons

A

Oxidation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Gain electrons

A

Reduction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Oxidation number of uncombined elements

A

0

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Oxidation number of monatomic ions

A

Charge written on ion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Oxidation number of oxygen (generally)

A

-2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Oxidation number of oxygen (H2O2)

A

-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Oxidation number of hydrogen (when cation)

A

+1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Sum of all oxidation numbers equals

A

total charge of compound

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Reducing agent

A

Compound that is oxidized (loses electrons)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Oxidizing agent

A

Compound that is reduced (gains electrons)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Combustion rxns use O to produce

A

CO2 and H2O

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Molarity =

A

moles solute/liters solution

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Dilution equation

A

M1V1 = M2V2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Titration purpose

A

Determine amount of A by adding known concentration and volume of B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Titrant

A

Solution with known concentration in burette

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Equivalence point

A

Theoretical point when moles A = moles B

17
Q

End point

A

Actual point titration is stopped, color change observed

18
Q

Pressure =