Chemistry

Question 1

What are alkanes?

Answer 1

Alkanes are saturated molecules.

Question 2

What is the formula for alkenes?

Answer 2

The formula for alkenes is CnH2n.

Question 3

What are the first four members of alkanes?

Answer 3

The first four members of alkanes are Methane, Ethane, Propane, Butane.

Question 4

What do alkenes skip?

Answer 4

Alkenes skip Methene.

Question 5

What is the suffix for alcohols?

Answer 5

The suffix for alcohols is anol.

Question 6

Sugar is tested with

Answer 6

heated benedicts solution

Question 7

a positive sugar test will turn

Answer 7

orange

Question 8

Starch is tested with

Answer 8

iodine

Question 9

a positive starch test will turn

Answer 9

blue/black

Question 10

Protien is tested with

Answer 10

Biuret solution

Question 11

a positive protien test turns

Answer 11

purple

Question 12

lipids are tested with

Answer 12

water and ethanol

Question 13

a positive lipid testy turns

Answer 13

cloudy

Question 14

too much sugar leads to

Answer 14

diabetes

Question 15

too little vitamin C leads to

Answer 15

scurvy

Question 16

particles in a gas move in random

Answer 16

directions and speeds

Question 17

When particles gain internal energy, it is moved to the

Answer 17

kinetic store

Question 18

when a fixed mass of partilces is at a constant temperature, the _____ is _____

Answer 18

pressure volume, constant

Question 19

Constant=

Answer 19

pressure * volume

Question 20

the volume of an irregular shape is equal to

Answer 20

the amount of water displaced

Question 21

Robert Brown observed

Answer 21

pollen moving randomly in water

Question 22

pressure is the force of

Answer 22

all particles within a unit of area

Question 23

when work is done quickly, the

Answer 23

temperature of the object increases

Question 24

when work is done slowly

Answer 24

energy is transferred to the object at the same rate as it is to the environment

Question 25

alkenes contain a

Answer 25

Double-carbon bond

Question 26

Steam cracking uses temps of _______ and makes ________

Answer 26

900C, more alkenes

Question 27

Catalytic cracking uses temps of ______ and makes ______

Answer 27

500C, less alkenes

Question 28

alloys that return to their original shape are called

Answer 28

shape memory alloys

Question 29

polymers are used for

Answer 29

adhesives, moldable items, clothing,

Question 30

salts are

Answer 30

neutral

Question 31

The metal goes

Answer 31

in front of the non-metal

Question 32

Limestocontains

Answer 32

CaCO3

Question 33

Ceramics are

Answer 33

Strong, Brittle, light, low density, Poor Conductors, Resistant to Corrosion

Question 34

____ _____ ______ enter through the top and _____

Answer 34

iron, limestone, coke, hot air

Question 35

carbon reacts with _____ to form _____, which reacts with _____ to form_____

Answer 35

oxygen, CO2, Carbon, CO

Question 36

Carbon Monoxide reacts with iron ore to form

Answer 36

impure iron (pig iron)