Physical/Chemical Properties

Question 1

What is Density

Answer 1

a Physical Property all substances posses that describes the amount of matter contained in a certain volume

Question 2

WHat is the equation for density

Answer 2

D=M/V

Question 3

What is a chemical property

Answer 3

A substance’s atomic properties and it’s chemical behavior

Question 4

How much of our atmosphere is taken up by oxygen

Answer 4

21%

Question 5

What is one physical property most normally used in reference to fire

Answer 5

Combustion

Question 6

What is a combustion reaction

Answer 6

A substance reacting with oxygen to produce one or more other substances

Question 7

What type of combustion is fire

Answer 7

A rapid combustion reaction

Question 8

What is an explosion

Answer 8

An extremely rapid combustion reaction using all fuel at once

Question 9

What is a chemical property also used with fire

Answer 9

Flammability

Question 10

What is a chemical property when something rusts

Answer 10

Oxidation

Question 11

What is Corrosion

Answer 11

another term often used to describe metal oxidation (Or a metal being destroyed by chemical reactions)

Question 12

What does Biodegradable mean?

Answer 12

The substance is not chemically stable, so the compounds of the substances break down over time

Question 13

What is chemical stability

Answer 13

when the chemical compounds of a substance are stable

Question 14

What is Toxicity?

Answer 14

A chemical compound/substance that reacts harmfully to humans

Question 15

STUDY

Answer 15

Page 187, Table 9.2

Question 16

water boils/condenses at what temperature on the Fahrenheit Scale, Celsius Scale and Kelvin Scale?

Answer 16

212 F, 100 C, 373.2 K

Question 17

What temperature does water freeze on the Kelvin Scale

Answer 17

273.15 K

Question 18

What speed do air molecules move at

Answer 18

1,100 mph

Question 19

What is the air pressure at sea level in PSI

Answer 19

14.7 psi