Chem 2

Question 1

With absolute value you _

Answer 1

Convert negative numbers to positive

Question 2

When measuring with two instruments, calculated answer needs to be

Answer 2

No more than least accurate instrument

Question 3

Least accurate instrument includes less

Answer 3

Sig figs

Question 4

A conversation factor is a relationship between two

Answer 4

Units

Question 5

Heat is total energy of _ in a substance

Answer 5

Molecular motion

Question 6

Temperature is a measure of average _ in a system

Answer 6

Kinetic energy of atoms or molecules

Question 7

Measurements for beaker and Erlenmeyer flask approximate to nearest _

Answer 7

Milliliter

Question 8

Volumetric flasks used for more precise volume measurements than

Answer 8

Erlenmeyer flask

Question 9

Volumetric flask only has one _ for a very specific volume

Answer 9

Mark

Question 10

With an Erlenmeyer flask, you can use a _ to save contents for later

Answer 10

Stopper

Question 11

Filter paper is used to separate _ from _

Answer 11

Solids or precipitates

Liquids or solutions

Question 12

Fold _ to fit funnel

Answer 12

Filter paper

Question 13

Precipitate is a _ that separates from solution

Answer 13

Insoluble solid

Question 14

Graduated cylinder is fairly accurate to the _ place

Answer 14

0.1

Question 15

Meniscus is the _ of a solution

Answer 15

Curved surface

Question 16

When measuring liquid or solution, be sure to measure to the bottom of

Answer 16

The meniscus

Question 17

With a pipette you , _ and ,

Answer 17

Draw correct amount

Check measurement

Transfer

Question 18

Butter stand usually accumulate to the _ place

Answer 18

0.01

Question 19

Double pan balance used to compare

Answer 19

Weight of two objects

Question 20

On double pan balance, when two pans are level _

Answer 20

Masses are the same

Question 21

Weighting boat or weighing paper used to

Answer 21

Hold the substance to be massed

Question 22

When using a weighing boat, be sure to _ before adding substance

Answer 22

Get mass of boat

Question 23

Scoopulas and spatulas are used to

Answer 23

Transfer solid substances from one container to another