Atoms, Water And Density Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Tightness across the surface of water is called?

A

Surface Tension

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

Surface Tension is caused by?

A

Polar Molecules pulling on each other

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

Tightness across the surface of water is called _____ and is caused by ____

A
  • Surface Tension
  • Polar molecules pulling on each other
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Water consists of what type of molecules?

A

Polar molecules

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

Water molecules tend to ____ together

A

Stick

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

When water freezes, the molecules ____

A

Expand

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

Water is the only substance on Earth that ___

A

Commonly exists in all three phases

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

____ allows the water to stick to a leaf

A

Adhesion

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

The density of water is ____

A

1 g/mL

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

____ is the chemical formula for water

A

H2O

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

H2O is the chemical symbol for ____

A

Water

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

The amount of heat energy needed to increase the temperature of a certain mass of water by 1o C is called?

A

Specific heat

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

The specific heat is the amount of energy needed to increase the temperature of a certain mass of water by ____

A

1o

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

Solution is the whole ___

A

Mixture

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

The whole mixture is called

A

Solution

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

Water’s resistance to temperature change is called?

A

Heat capacity

17
Q

Heat capacity is water’s ___?

A

Resistance to temperature change

18
Q

____ is the substance being dissolved

A

Solute

19
Q

Solute is the substance ____

A

Being dissolved

20
Q

____ does the dissolving

A

Solvent

21
Q

Solvent does the _____

A

Dissolving

22
Q

_____ is the water property that allows for the dome-like shape of water

A

Cohesion

23
Q

Cohesion is the water property that allows for the _____

A

Dome-like shape of water

24
Q

H2O -> H2 + O2 is an _____ equation

A

Unbalanced

25
Q

____ water floats in liquid water because it is less dense than the liquid water

A

Solid water (ice)

26
Q

Solid water (ice) floats in liquid water because it is ____ dense than the liquid water.

A

Less

27
Q

_____ can be determined by mass/volume

A

Density

28
Q

Density can be determined by ____

A

Mass/volume

29
Q

Given the mass of an object is 4g and the volume is 2 mL, the density is ____ g/mL and it will ____ in liquid water

A

2 g/mL

Sink

30
Q

The charges of a water molecule are?

A

Hydrogen is negative
Oxygen is positive