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Mixture and Solution Flashcards

1
Q

What does conserve mean?

A

to stay constant during an interaction

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2
Q

What are constrains?

A

Limitations or restrictions

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3
Q

When evaluation or testing something, you need to know the

A

Criteria

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4
Q

_____is natural form of a substance

A

Cristal:

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

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5
Q

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

A

Dissolving

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6
Q

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

A

true

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7
Q

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

A

Engineer

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8
Q

change in state from liquid to a gas

ex: water becomes water vapor

A

evaporation

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9
Q

Mass is a quantity of matter

A

true

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10
Q

What is a particle?

A

a very small piece or part

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11
Q

Physical proper describes as

A

color, size, shape

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12
Q

which method was the best to separate gravel?

A

Sifting (screen)

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13
Q

which method was the best to separate the power?

A

filtration

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14
Q

Which method was the best to separate the salt?

A

evaporation

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15
Q

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

A

FALSE

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16
Q

What is the purpose of a balance?

A

to compare masses

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17
Q

Which of the fallow would not be considered a solute?

A

Gravel

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18
Q

example of solute is

A

salt, sugar, Lemone power,

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19
Q

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

A

salt sugar

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20
Q

Water is considered a

A

universal solvent

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21
Q

The solute can exist in all three forms of matte

A

solid, liquid, or gas.

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22
Q

all solutions are mixture

A

true

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23
Q

all mixture are solution.

, not all mixtures are solutions.

A

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

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24
Q

What is the mass of 50ml of water

A

50 grams

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25
Q

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

A

physical change

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26
Q

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

A

chemical change

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27
Q

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

A

chemical reaction

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28
Q

temperature change

  • gas formation
  • solid formation
A

indicators of a chemical change

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29
Q

the substance that occurs when a chemical change occurs

A

product

30
Q

any solid produced in a chemical change

A

precipitate

31
Q

solvent

A

a substance which takes in, dissolves, another substance

32
Q

solute

A

a substance that dissolves to form a solution

33
Q

solubility

A

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

34
Q

universal solvent

A

water

35
Q

saturated solution

A

a solution in which as much solute as possible has dissolved

Is there a limit to

36
Q

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

A

Yes.

37
Q

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

A

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

38
Q

point of saturation

A

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

39
Q

amount of salt needed to saturate 50 ml of water

A

10-15 grams

40
Q

amount of Epsom salts needed to saturate 50 ml of water

A

25-40 grams

41
Q

What can be used to identify an unknown substance?

A

solubility

42
Q

What factors influence solubility?

A

type of solute and type of solvent

43
Q

Define insoluble.

A

unable to dissolve

44
Q

an indication of a saturated solution

A

an undissolved layer of solute

45
Q

highly soluble material

A

Espom salts

46
Q

not a very soluble material

A

salt

47
Q

Define soluble.

A

able to dissolve

48
Q

mixture

A

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

49
Q

solution

A

a special type of mixture

50
Q

3 characteristics of solutions

A
  • one substance dissolves into another
  • must be transparent
  • separated, usually using evaporation
51
Q

physical properties

A

characteristics of an object

52
Q

examples of physical properties

A

size, shape, color, state of matter

53
Q

examples of mixtures

A

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

54
Q

dissolve

A

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

55
Q

How is a saltwater solution separated?

A

Evaporate the water. Salt crystals are left behind.

56
Q

2 physical properties of salt crystals

A

square with an x running corner to corner

57
Q

True or False:

A mixture is always a solution.

A

False

58
Q

True or False:

A solution is always a mixture.

A

True

59
Q

True or False:

Some mixtures are solutions.

A

True

60
Q

diluted

A

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

61
Q

volume

A

the amount of space in a 3D object

62
Q

ex. of a diluted fruit punch solution

A
  • light red in color

* weak in taste

63
Q

an example of a concentrated fruit punch solution

A
  • dark red in color

* strong in taste

64
Q

Concentration affects a solution’s ____________.

A

mass

65
Q

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

A

volumes

66
Q

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

A

They are equally concentrated.

67
Q

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

A

B is more diluted.

68
Q

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

A

A is more concentrated.

69
Q

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

A

B is more concentrated.

70
Q

concentration

A

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

71
Q

highly concentrated

A

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

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