Mixture and Solution

Question 1

What does conserve mean?

Answer 1

to stay constant during an interaction

Question 2

What are constrains?

Answer 2

Limitations or restrictions

Question 3

When evaluation or testing something, you need to know the

Answer 3

Criteria

Question 4

_____is natural form of a substance

Answer 4

Cristal:

the solid form of a substance which can be identified by its physical properties

Question 5

_______ is a process of substances becoming incorporated uniformly into another.

Answer 5

Dissolving

Question 6

Energy can take a number of forms such as heat and light

Answer 6

true

Question 7

A————Is a scientist who designs and build systems that result in new product or solve problems

Answer 7

Engineer

Question 8

change in state from liquid to a gas

ex: water becomes water vapor

Answer 8

evaporation

Question 9

Mass is a quantity of matter

Answer 9

true

Question 10

What is a particle?

Answer 10

a very small piece or part

Question 11

Physical proper describes as

Answer 11

color, size, shape

Question 12

which method was the best to separate gravel?

Answer 12

Sifting (screen)

Question 13

which method was the best to separate the power?

Answer 13

filtration

Question 14

Which method was the best to separate the salt?

Answer 14

evaporation

Question 15

Transparent means that you can’t see though the liquid or image

Answer 15

FALSE

Question 16

What is the purpose of a balance?

Answer 16

to compare masses

Question 17

Which of the fallow would not be considered a solute?

Answer 17

Gravel

Question 18

example of solute is

Answer 18

salt, sugar, Lemone power,

Question 19

a solute is a solid that is dissolved into a liquid.

Answer 19

salt sugar

Question 20

Water is considered a

Answer 20

universal solvent

Question 21

The solute can exist in all three forms of matte

Answer 21

solid, liquid, or gas.

Question 22

all solutions are mixture

Answer 22

true

Question 23

all mixture are solution.

, not all mixtures are solutions.

Answer 23

For example, when we bake a cake, it’s a result of a mixture of eggs, flour, sugar, and other ingredients

Question 24

What is the mass of 50ml of water

Answer 24

50 grams

Question 25

a change in the size, shape, or state of matter

Answer 25

physical change

Question 26

a change in which new matter, with new physical properties, is created

Answer 26

chemical change

Question 27

when two or more chemicals are mixed together and a change occurs

Answer 27

chemical reaction

Question 28

temperature change * gas formation * solid formation

Answer 28

indicators of a chemical change

Question 29

the substance that occurs when a chemical change occurs

Answer 29

product

Question 30

any solid produced in a chemical change

Answer 30

precipitate

Question 31

solvent

Answer 31

a substance which takes in, dissolves, another substance

Question 32

solute

Answer 32

a substance that dissolves to form a solution

Question 33

solubility

Answer 33

a property that describes a solute's ability to dissolve in a solvent

Question 34

universal solvent

Answer 34

water

Question 35

saturated solution

Answer 35

a solution in which as much solute as possible has dissolved Is there a limit to

Question 36

Is there a limit to the amount of solute that can dissolve in a given volume of solvent?

Answer 36

Yes.

Question 37

How do you determine the amount of solute in a saturated solution?

Answer 37

First filter out the undissolved material. Next, weigh the saturated solution and subtract out the mass of the solvent.

Question 38

point of saturation

Answer 38

No more solute can dissolve in the solvent, but all solute has dissolved.

Question 39

amount of salt needed to saturate 50 ml of water

Answer 39

10-15 grams

Question 40

amount of Epsom salts needed to saturate 50 ml of water

Answer 40

25-40 grams

Question 41

What can be used to identify an unknown substance?

Answer 41

solubility

Question 42

What factors influence solubility?

Answer 42

type of solute and type of solvent

Question 43

Define insoluble.

Answer 43

unable to dissolve

Question 44

an indication of a saturated solution

Answer 44

an undissolved layer of solute

Question 45

highly soluble material

Answer 45

Espom salts

Question 46

not a very soluble material

Answer 46

salt

Question 47

Define soluble.

Answer 47

able to dissolve

Question 48

mixture

Answer 48

a combination of two or more things that can be separated without changing the physical properties (Mixtures are NOT chemically bound.)

Question 49

solution

Answer 49

a special type of mixture

Question 50

3 characteristics of solutions

Answer 50

* one substance dissolves into another * must be transparent * separated, usually using evaporation

Question 51

physical properties

Answer 51

characteristics of an object

Question 52

examples of physical properties

Answer 52

size, shape, color, state of matter

Question 53

examples of mixtures

Answer 53

paint, ice cream, soda, orange juice, trail mix, mayonnaise

Question 54

dissolve

Answer 54

the process in which one substance completely mixes with another and seems to "disappear"

Question 55

How is a saltwater solution separated?

Answer 55

Evaporate the water. Salt crystals are left behind.

Question 56

2 physical properties of salt crystals

Answer 56

square with an x running corner to corner

Question 57

True or False: | A mixture is always a solution.

Answer 57

False

Question 58

True or False: | A solution is always a mixture.

Answer 58

True

Question 59

True or False: | Some mixtures are solutions.

Answer 59

True

Question 60

diluted

Answer 60

containing a low amount of dissolved solute in a given volume of solvent

Question 61

volume

Answer 61

the amount of space in a 3D object

Question 62

ex. of a diluted fruit punch solution

Answer 62

* light red in color | * weak in taste

Question 63

an example of a concentrated fruit punch solution

Answer 63

* dark red in color | * strong in taste

Question 64

Concentration affects a solution's ____________.

Answer 64

mass

Question 65

When comparing the concentration of two or more solutions, compare equal

Answer 65

volumes

Question 66

Which sample is more diluted? A. 500 ml of water + 15 g of salt B. 1000 ml of water + 30 g of salt

Answer 66

They are equally concentrated.

Question 67

Which sample is more diluted? A. 500 ml of water + 20 g of salt B. 1000 ml of water + 20 g of salt

Answer 67

B is more diluted.

Question 68

Which sample is more concentrated? A. 100 ml of water + 50 g of salt B. 1000 ml of water + 50 g of salt

Answer 68

A is more concentrated.

Question 69

Which sample is more concentrated? A. 100 ml of water + 10 g of salt B. 10 ml of water + 5 g of salt

Answer 69

B is more concentrated.

Question 70

concentration

Answer 70

the relationship between the amount of dissolved solute in a given volume of solvent

Question 71

highly concentrated

Answer 71

containing a high amount of dissolved solute in a given volume of solvent