Unit 5 Flashcards

0
Q

Define solvent

A

Able to dissolve other substances

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

Define solute

A

The minor component (smaller amount) in a solution,dissolved in the solvent

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

Define solubility

A

Referring to the ability for a given substance the solute,to dissolve in a solvent

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

Name 3 things that can increase the rate of solubility

A

Increase temperature
Smaller particles (crushed tablet compared to the whole tablet)
Stirring the solution

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

If you have 80 milliliters of vinegar and you add 20 milliliters of water. In this solution, the water is identified as what part of the solution?

A

The water be the solute because it is the smaller amount

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

Is the process of dissolving a solute in a solvent a chemical reaction or a physical reaction? Explain why.

A

Physical change beacause the parts never chemical combine

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

Why is water described as the universal solvent?

A

The unequal sharing of electrons between oxygen and hydrogen

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

Explain what happens to solubility when you increase the temperature

A

As you increase temperature the solubility increases

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

Why is water described as a polar substance

A

A positive end and negative end positive charge

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

What most impacts whether a substance will dissolve in water

A

Polarity(if it is polar it will dissolve,if non polar will not dissolve)

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

What is a ph level ?

A

Is a measure of how acidic or basic a substance is

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

Give characteristics of an acid

A

Acids taste sour
Acids react strongly with metals
Ph levels 0-6

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

When you combine an acid and a base what happens (example:antacids and HCL)

A

Acids mixed with bases neutralize each other

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

What is a neutral solutions of ph

A

Ph of 7

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

A liquid with a ph of 3.0 is how many times more acidic than one with a ph of 4.0

A

Ten times

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

What is acid rain

A

Acid rain is a rain or any form of precipitation that is unusually acidic meaning that it possess elevated levels of a hydrogen ions (low ph)

16
Q

What is the main sources of acid rain

A

Nitrogen oxide and sulfure dioxide

17
Q

Give characteristics of a base

A

Taste bitter
Slippery to the touch
Ph level between 8-14