LAB Quiz

Question 1

What are the molecules on the left are called?

Answer 1

Reactants

Question 1

What are the subatomic particles found in all atoms?

Answer 1

Protons, Neutrons, and Electrons

Question 2

What are the molecules on the right are called?

Answer 2

Products

Question 3

What is the change from reactants to products called?

Answer 3

Chemical reaction

Question 4

When hydrogen gas (H2) and oxygen (O2) produce water (H2O), how many H2 molecules are needed?

Answer 4

2

Question 5

How many molecules of water are produced from the combination of H2 and O2?

Answer 5

2

Question 6

Two water molecules share a hydrogen atom occasionally which causes a bond shift. What is shifted? What is left behind?

Answer 6

H and OH-

Question 7

What is the equations for water molecules?

Answer 7

2H2+O2 => 2H2O

Question 8

Why does hydronium have a positive charge?/

Answer 8

It has an extra Proton

Question 9

Why does hydroxide have a negative charge?

Answer 9

It has more electrons than Protons

Question 10

Ammonia is a base and therefore forms NH4+ What is the equation?

Answer 10

NH3+H+ <=> NH4+

Question 11

What is the behavior of ammonia that makes it be a base?

Answer 11

It is a neutral

Question 12

What is the chemical equilibrium between carbonic acid and bicarbonate?

Answer 12

pH

Question 13

What do hydrogen ions (H+) have to do with pH?

Answer 13

When H+ decreases pH increases

Question 14

What does the 2 in NH2 signify?

Answer 14

There are 2 hydrogen

Question 15

What does the 2 at the end of (NH2)2 signify

Answer 15

There are 2 NH2 bonds

Question 16

Define hydrocarbon

Answer 16

Hydrogen and Carbon bonded

Question 17

What does the -ane in ethane tell you about the bonds in the molecule?

Answer 17

The bonds are singular

Question 18

What does the -ene in ethene tell you about the bonds in the molecules?

Answer 18

There are multiple bonds

Question 19

Put the prefix and suffix together and define ethane

Answer 19

2 singular hydrocarbons

Question 20

Define isomer

Answer 20

Compounds with the same formula but different structures

Question 22

What are the 3 types of isomers

Answer 22

Structural, Geometric, Enantiomer

Question 23

What type of isomers are butane and isobutane? Why?

Answer 23

Structural because they have different single bonded structures

Question 24

what type of isomers are glucose and galactose? How do you know?

Answer 24

Structural because the structures are slightly different.

Question 25

What type of isomers are glucose and fructose? How do you know?

Answer 25

Geometric because the double bonds changed