States of Matter

Question 1

what is the definition of fluid?

Answer 1

Gas or liquid

Question 2

what is matter?

Answer 2

any substance that has a mass and volume

Question 3

What are the three states of matter?

Answer 3

Solid, liquid, and gas

Question 4

What factors influence the state of matter in a substance?

Answer 4

Temperature and Pressure

Question 5

Any matter can be liquid, solid, or gas (True/False)

Answer 5

True

Question 6

Which two states of matter have a fixed volume?

Answer 6

Solid and Liquid

Question 7

which state of matter has a low density?

Answer 7

Gas

Question 8

which state of matter has a definite shape?

Answer 8

Solid

Question 9

What is the melting point of a substance?

Answer 9

The temperature that a substance must reach to turn from a solid to a liquid

Question 10

What is the boiling point of a substance

Answer 10

The temperature that a substance must reach to turn from a liquid to a gas

Question 11

What is it called when a gas turns into a liquid?

Answer 11

condensation

Question 12

What is it called when a liquid turns into a solid?

Answer 12

freezing

Question 13

What is it called when a gas turns into a solid?

Answer 13

sublimation

Question 14

What is it called when a solid turns into a gas?

Answer 14

deposition

Question 15

What is evaporation?

Answer 15

Change of state from a liquid into a vapour at a temperature below the boiling point

Question 16

Where does evaporation occur?

Answer 16

At the surface of the liquid

Question 17

What is volatility?

Answer 17

The property of how easily a liquid evaporates

Question 18

What is a pure substance?

Answer 18

A substance made of one type of particle (element or compound)

Question 19

Pure substances have boiling points that are not exact (True/False)

Answer 19

False

Question 20

What is an atom?

Answer 20

The smallest unit of matter that retains its properties

Question 21

What is a molecule?

Answer 21

A physically OR chemically bonded group of atoms

Question 22

What are (intermolecular) forces?

Answer 22

the forces that occur between all molecules, causing them to attract each other

Question 23

What is a mixture?

Answer 23

Two or more substances mixed together but not chemically bonded

Question 24

What is a solution?

Answer 24

A result of a solute dissolving in a solvent

Question 25

What is the solvent in a solution?

Answer 25

The solvent is the substance (liquid) that dissolves the solute

Question 26

What is the solute in the solution?

Answer 26

The solid or gas that dissolves in the solvent to make the solution.

Question 27

What is a suspension?

Answer 27

An insoluble solute in a solvent

Question 28

What does soluble / insoluble mean?

Answer 28

Able / not able to dissolve

Question 29

what does it mean if two liquids are miscible?

Answer 29

They are able to dissolve in each other (mix)

Question 30

What does it mean if a solution is saturated?

Answer 30

It means that no more solute can dissolve in the solution.

Question 31

What is measured by Solubility?

Answer 31

How much of a specific solute can dissolve in a specific solvent at a specific temparature

Question 32

What does the concentration of a solution mean?

Answer 32

How much of a solute is in a solution (measured in g/100cm^3

Question 33

Define diffusion

Answer 33

Particles moving in random directions, causing them to spread and mix

Question 34

Water is an atom (True/False)

Answer 34

False

Question 35

Is seawater an element, a compound, or a mixture?

Answer 35

A mixture

Question 36

Is it possible to easily separate a mixture?

Answer 36

Yes

Question 37

What is the unit of measurement for solubility?

Answer 37

g/100cm^3

Question 38

If the solubility of copper sulfate is 20g/100cm^3, how much copper sulfate will dissolve in 40cm^3?

Answer 38

8g

Question 39

If the solubility of copper sulfate in water is 20g/100cm^3, how much water does it take to dissolve 30g of copper sulfate?

Answer 39

150cm^3

Question 40

What is a compound?

Answer 40

A chemically bonded group of atoms

Question 41

is CuCO3 a compound?

Answer 41

Yes, all molecules with formulas and more than one type of atom are