SPS SEVEN, SCIENCE REVVIEW

Question 1

What is solubility?

Answer 1

Solubility is the ability of a substance to dissolve in a solvent.

Question 2

True or False: Solubility is a physical property of a substance.

Answer 2

True

Question 3

What does the scientific model of solubility involve?

Answer 3

The scientific model of solubility involves the interactions between solute and solvent molecules.

Question 4

What is an apparatus commonly used to measure solubility?

Answer 4

A graduated cylinder is commonly used to measure solubility.

Question 5

What is matter?

Answer 5

Matter is anything that has mass and takes up space.

Question 6

True or False: Matter can be classified as pure substances or mixtures.

Answer 6

True

Question 7

What is a scientific model?

Answer 7

A scientific model is a representation of a system or phenomenon that helps scientists make predictions or understand complex concepts.

Question 8

What is the difference between solute and solvent?

Answer 8

A solute is the substance being dissolved, while a solvent is the substance doing the dissolving.

Question 9

What is the solubility of a substance affected by?

Answer 9

The solubility of a substance is affected by factors such as temperature and pressure.

Question 10

Fill in the blank: A ________ is a tool used in chemistry to measure the volume of liquids.

Answer 10

graduated cylinder

Question 11

What are the two main types of mixtures?

Answer 11

The two main types of mixtures are homogeneous and heterogeneous mixtures.

Question 12

What is an example of a homogeneous mixture?

Answer 12

Salt water is an example of a homogeneous mixture.

Question 13

What are the three states of matter?

Answer 13

The three states of matter are solid, liquid, and gas.

Question 14

True or False: The solubility of most solids increases with higher temperatures.

Answer 14

True

Question 15

What is the process of dissolving a solid in a liquid called?

Answer 15

The process of dissolving a solid in a liquid is called dissolution.

Question 16

What is a common example of a heterogeneous mixture?

Answer 16

A salad with different ingredients is a common example of a heterogeneous mixture.

Question 17

What is the formula for density?

Answer 17

Density = mass/volume

Question 18

What are the units for density typically measured in?

Answer 18

The units for density are typically measured in g/cm^3 or kg/m^3.

Question 19

What is the difference between a compound and a mixture?

Answer 19

A compound is a pure substance made of two or more elements chemically combined, while a mixture is a combination of two or more substances that are not chemically bonded.

Question 20

What is a common example of a compound?

Answer 20

Water (H2O) is a common example of a compound.

Question 21

True or False: Density is an intensive property of matter.

Answer 21

True

Question 22

What is the formula for calculating solubility?

Answer 22

Solubility = mass of solute/mass of solvent

Question 23

What is the difference between a physical change and a chemical change?

Answer 23

A physical change does not change the chemical composition of a substance, while a chemical change does.

Question 24

What is the Law of Conservation of Mass?

Answer 24

The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction.

Question 25

What is the relationship between temperature and solubility of gases in liquids?

Answer 25

The solubility of gases in liquids decreases with increasing temperature.

Question 26

Fill in the blank: A ________ is a device used to measure the mass of an object.

Answer 26

balance

Question 27

What is a physical property of matter?

Answer 27

Color is a physical property of matter.

Question 28

What is the molecular formula for carbon dioxide?

Answer 28

CO2

Question 29

True or False: A compound can be broken down into simpler substances by physical means.

Answer 29

False

Question 30

What is a common example of a physical change?

Answer 30

Melting ice is a common example of a physical change.

Question 31

What is the difference between an element and a compound?

Answer 31

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Question 32

Fill in the blank: A laboratory ________ is used to heat substances to high temperatures.

Answer 32

Bunsen burner

Question 33

What is the formula for calculating density?

Answer 33

Density = mass/volume

Question 34

What is the difference between weight and mass?

Answer 34

Weight is the force of gravity acting on an object, while mass is the amount of matter in an object.

Question 35

What is the difference between a mixture and a solution?

Answer 35

A solution is a homogeneous mixture where one substance dissolves in another, while a mixture can be homogeneous or heterogeneous.

Question 36

What is a common example of a solution?

Answer 36

Saltwater is a common example of a solution.

Question 37

True or False: Matter can exist in the form of energy.

Answer 37

False

Question 38

What is the difference between a solid and a liquid?

Answer 38

A solid has a fixed shape and volume, while a liquid has a fixed volume but takes the shape of its container.

Question 39

What is the chemical symbol for gold?

Answer 39

Au

Question 40

Fill in the blank: A __________ is a tool used in chemistry to measure the mass of substances.

Answer 40

balance

Question 41

What is the difference between a physical property and a chemical property?

Answer 41

A physical property can be observed or measured without changing the substance's composition, while a chemical property describes how a substance interacts with other substances.