Chapter 1-3

Question 1

Dalton’s theory

Answer 1

All matter

Question 2

Molar Mass

Answer 2

Mass of 1 mole

Question 3

Matter

Answer 3

Has mass and volume

Question 4

Mass

Answer 4

.

Question 5

Solid

Answer 5

Closely packed arrangement of atoms

Question 6

States of Matter

Answer 6

Solid
Liquid
Gas

Question 7

Matter

Answer 7

Pure substance

Or

Mixture

Question 8

Pure substance

Answer 8

Element

Or

Compound

Question 9

Mixture

Answer 9

Homogeneous

Or

Heterogeneous

Question 10

Homogeneous

Answer 10

The same throughout

Question 11

Heterogeneous

Answer 11

Not the same throughout

Question 12

Energy

Answer 12

Measure of capacity to do work

Question 13

Potential energy

Answer 13

.

Question 14

Kinetic energy

Answer 14

In motion

Question 15

Precision

Answer 15

Precision is a measure of how closely individual measurements agree with one another.

Question 16

Accuracy

Answer 16

Accuracy refers to how closely individual measurements agree with the correct, or “true” value.

Question 17

Multiplication/Division

SIGNIFICANT FIGURES

Answer 17

Answer has same # of sig figs as # with fewest sig figs

Question 18

Addition/Subtraction

SIGNIFICANT FIGURES

Answer 18

Same # decimal places as # with fewest decimal places

Question 19

Exact

Numbers

Answer 19

Exact numbers are those that have defined values or are integers that result from counting numbers of objects.

Question 20

Inexact numbers

Answer 20

Numbers obtained by measurement are always inexact.

Question 21

Conservation of Mass

Answer 21

Mass

Question 22

454 grams

Answer 22

1 lb

Question 23

1 kg

Answer 23

2.2 lbs

Question 24

Fahrenheit to Celsius

Answer 24

C=(F-32)(5/9)

Question 25

Fahrenheit to Celsius

Answer 25

C=(F-32)(5/9)