Chem Test 1

Front 1

Chemistry

Back 1

Study of composition of matter

Front 2

Organic chemistry

Back 2

Study of things containing carboni

Front 3

Inorganic chemistry

Back 3

Substances that don't contain carbon

Front 4

Analytical chemistry

Back 4

Composition of substances

Front 5

Physical chemistry

Back 5

Theories and experiment

Front 6

Biochemistry

Back 6

Study of chem in living organisms

Front 7

Scientific method

Back 7

Logical approach to scientific problems

Front 8

Observation

Back 8

Senses obtain info directly

Front 9

Hypothesis

Back 9

Guessing explanation of observations

Front 10

Experiment

Back 10

Test hypothesis

Front 11

Scientific law vs theory

Back 11

Sl has been tested and proved

Front 12

Matter

Back 12

Has mass takes up space

Front 13

Mass

Back 13

Amount of matter contained

Front 14

Substance

Back 14

Particular kind of matter with uniform properties

Front 15

Physical property

Back 15

Condition/characteristics of substance that can't be changed

Front 16

Liquid

Back 16

Fixed volume takes shape of container

Front 17

Gas

Back 17

Takes shape and volume of container

Front 18

Vapor

Back 18

Gaseous state of liquid or solid at room temp

Front 19

Physical change

Back 19

Alters with out changing composition

Front 20

Mixture

Back 20

Physical blend of 2+ substances

Front 21

Heterogeneous mixture

Back 21

Not uniform in comp

Front 22

Homogenous mix

Back 22

Uniform in comp

Front 23

Solution

Back 23

Liquid mixture solute is equally distributed in water

Front 24

Phase

Back 24

Part of a system with uniform comp

Front 25

Distillation

Back 25

Liquid boiled to produce a vapor

Front 26

Element

Back 26

Simplest for of matter

Front 27

Compound

Back 27

3+ elements

Front 28

Chemical reaction

Back 28

2+ substances

Front 29

Reactants

Back 29

Starting substance

Front 30

Products

Back 30

Substance formed

Front 31

Chemical property

Back 31

Ability to undergo chemical reaction

Front 32

Law of conservation of mass

Back 32

Mass stays the same in chemical reaction

Front 33

Qualitative measure

Back 33

Measurements by appearance

Front 34

Quantative measurements

Back 34

Numbers

Front 35

Accuracy

Back 35

Done right

Front 36

Precision

Back 36

Consistency

Front 37

Experimental value

Back 37

Value measured in lab

Front 38

Accepted value

Back 38

Correct value what it should be

Front 39

Error

Back 39

Difference in experimental and accepted value

Front 40

Percent error

Back 40

Error/accepted value x 100%

Front 41

International system of units si

Back 41

Revised metric system

Front 42

Meter

Back 42

Length si

Front 43

Liter

Back 43

Volume

Front 44

Volume

Back 44

How much space it takes up

Front 45

Weight

Back 45

Force measures pull on mass by gravity

Front 46

Kilogram

Back 46

1 liter

Front 47

Gram

Back 47

Base

Front 48

Specific gravity

Back 48

Ration density of substance to density of standard

Front 49

Hydrometer

Back 49

Instrument for measuring density of liquids

Front 50

Tempature

Back 50

Degree intensity of heat

Front 51

Absolute zero

Back 51

Lowest Tempature theoretically possible