Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Biology 201A > Water > Flashcards

Water Flashcards

1
Q

Bond angle of water

A

104.5

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

Total number of H bonds possible

A

4

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

Cohesion

A

Like molecules bond together

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

Adhesion

A

Molecule bonds to different type of molecule

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

Surface tension

A

Resistance of surface to deformation

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

Total thermal energy

A

Total amount of kinetic energy of molecules in a substance

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

Temperature

A

Average kinetic energy of molecules in a substance

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

Heat

A

Thermal energy in transfer from one body of matter to another

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

Specific heat capacity

A

Heat absorbed or lost needed to change temperature of 1g of a substance by 1 degree C

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

Heat capacity of water

A

1cal/g C; high heat capacity helps resist temperature changes

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

Why does water have a high heat capacity and high heat of vaporization

A

Hydrogen bonds must be broken before temperature will rise or before vaporization

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

Why is solid water more dense than liquid water

A

Solid water always forms 4 H bonds whereas liquid water forms 3.2 H bonds

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

Solute

A

The substance being dissolved

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

Solvent

A

The substance in solution that does the dissolving

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

Versatile solvent

A

Many substances dissolve well in water

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

Aqueous solution

A

Solvent of solution is water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What is easily dissolved in water

A

Ionic compounds and polar molecules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Molecules (proteins) in water

A

Not broken apart but surrounded in water in hydration shell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Hydrophobic substances

A

Substances that do not dissolve in water (nonpolar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Hydrophilic substances

A

Substances that dissolve in water (polar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Colloid

A

Suspension of molecules in water with hydration shells

22
Q

Molarity

A

Moles (mol)/ Volume (L)

23
Q

pH

A

-log10[H+]

24
Q

Acid

A

Increases [H+] in solution; H+ donor

25
Q

Base

A

Decreases [H+] in solution; H+ acceptor

26
Q

Strong acids and bases

A

Dissociate completely in water changing the pH

27
Q

Buffer

A

Substance that minimizes sudden changes in pH; combination of H+ donor and acceptor in solution

28
Q

104.5

A

Bond angle of water

29
Q

4

A

Total number of H bonds possible

30
Q

Like molecules bond together

31
Q

Molecule bonds to different type of molecule

32
Q

Resistance of surface to deformation

A

Surface tension

33
Q

Total amount of kinetic energy of molecules in a substance

A

Total thermal energy

34
Q

Average kinetic energy of molecules in a substance

A

Temperature

35
Q

Thermal energy in transfer from one body of matter to another

36
Q

Heat absorbed or lost needed to change temperature of 1g of a substance by 1 degree C

A

Specific heat capacity

37
Q

1cal/g C; high heat capacity helps resist temperature changes

A

Heat capacity of water

38
Q

Hydrogen bonds must be broken before temperature will rise or before vaporization

A

Why does water have a high heat capacity and high heat of vaporization

39
Q

Solid water always forms 4 H bonds whereas liquid water forms 3.2 H bonds

A

Why is solid water less dense than liquid water

40
Q

Many substances dissolve well in water

A

Versatile solvent

41
Q

Solvent of solution is water

A

Aqueous solution

42
Q

Ionic compounds and polar molecules

A

What is easily dissolved in water

43
Q

Not broken apart but surrounded in water in hydration shell

A

Molecules (proteins) in water

44
Q

Substances that do not dissolve in water (nonpolar)

A

Hydrophobic substances

45
Q

Substances that dissolve in water (polar)

A

Hydrophilic substances

46
Q

Suspension of molecules in water with hydration shells

47
Q

Moles (mol)/ Volume (L)

48
Q

-log10[H+]

49
Q

Increases [H+] in solution; H+ donor

50
Q

Decreases [H+] in solution; H+ acceptor

51
Q

Dissociate completely in water changing the pH

A

Strong acids and bases

52
Q

Substance that minimizes sudden changes in pH; combination of H+ donor and acceptor in solution

Biology 201A (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions