Introductions To Chem And Matter

Question 0

Inorganic chemistry

Answer 0

Study of chemicals that do not contain carbon

Question 1

Organic chemistry

Answer 1

Study of all chemicals containing carbon

Question 2

Biochemistry

Answer 2

Takes place in organisms

Question 3

Analytical chemistry

Answer 3

Composition of matter

Question 4

Physical chemistry

Answer 4

Mechanism, the rate, and the energy transfer that occurs when matter undergoes a change

Question 5

States of matter

Answer 5

Solid , liquid , and gas

Question 6

Solid

Answer 6

Definite shape, definite volume, incompressible.

Expand when heated.

Question 7

Liquid

Answer 7

Takes shape of container , incompressible , and definite volume

Question 8

Gas

Answer 8

Takes shape of container, easily compressed , and any volume

Question 9

Physical change

Answer 9

Properties of a material change but composition doesn’t change

Question 10

Two categories used to classify physical changes

Answer 10

Reversible and irreversible

Question 11

Mixture

Answer 11

Physical blend of two or more components

Question 12

Heterogeneous mixtures

Answer 12

Composition is not uniform throughout

Question 13

Homogeneous mixtures

Answer 13

Composition is uniform throughout

Question 14

Another name for homogeneous mixture

Answer 14

Solution

Question 15

Phase

Answer 15

Any part of a sample with uniform composition and properties

Question 16

How many phases in heterogenous mixtures ?

Answer 16

Two or more

Question 17

How many phases are in homogeneous mixtures ?

Answer 17

One phase

Question 18

Filtration

Answer 18

Separated a solid from the liquid in heterogeneous mixtures

Question 19

Distillation

Answer 19

A liquid is boiled to produce a vapor that is then condensed into a liquid.

Question 20

Element

Answer 20

Simplest form of matter that has unique set of properties

Question 21

Compound

Answer 21

Substance that contains two or more elements chemically combined in a fixed proportion

Question 22

Compounds can be broken Down but …

Answer 22

Elements can not

Question 23

Chemical change

Answer 23

Change that produces matter with a different composition than the original matter.

Question 24

Process that breaks down water

Answer 24

Electricity

Question 25

If the composition of a material is fixed it is a

Answer 25

Substance

Question 26

If the composition of a material varys it is

Answer 26

Mixture

Question 27

Chemical property

Answer 27

Ability of a substance to undergo a specific chemical change

Question 28

During chemical change , the composition of matter ...

Answer 28

Always changes

Question 29

Chemical reaction

Answer 29

One or more substances game into one or more new substances.

Question 30

Reactant

Answer 30

Substance present at the start of the reactant

Question 31

Product

Answer 31

Substance produced in the reaction.