Chemistry Exam 2 Terms

Question 1

Ionic Attraction

Answer 1

Force of attraction between and anion and a cation

Question 2

Ion-Dipole Attraction

Answer 2

A polar molecule where a cation will be attracted to the negative end of a dipole

Question 3

Dipole-Dipole Attraction

Answer 3

A polar molecule is attracted to another polar molecule

Question 4

Hydrogen Bonding

Answer 4

Special type of dipole-dipole between polarized H and an especially negative pole (O, N, or F)

Question 5

London Forces

Answer 5

A nonpolar compound with evenly distributed hydrogens, temporarily become unbalanced

Question 6

Rank the forces weakest to strongest

Answer 6

London Forces, dipole-dipole, hydrogen bonding, ion-dipole, ionic

Question 7

liquid to solid

Answer 7

freezing

Question 8

solid to liquid

Answer 8

melting

Question 9

liquid to gas

Answer 9

vaporization

Question 10

gas to liquid

Answer 10

condensation

Question 11

solid to gas

Answer 11

sublimation

Question 12

gas to solid

Answer 12

deposition

Question 13

What are fats?

Answer 13

lipids that have few double bonds and are mostly saturated; flexible with high LF

Question 14

What are oils?

Answer 14

lipids that have many double bonds and are mostly unsaturated; inflexible with low LF

Question 15

What are structural isomers?

Answer 15

compounds that differ how atoms are bonded

Question 16

What are stereoisomers?

Answer 16

compounds that have different physical arrangement

Question 17

What are conformational stereoisomers?

Answer 17

compounds that differ only in orientation

Question 18

What are cis-trans stereoisomers?

Answer 18

Cis- same on top
trans- diagonal is same

Question 19

What are enantiomers?

Answer 19

stereoisomers that are not superimposable: mirror images

Question 20

Chiral Carbons

Answer 20

carbon with all single bonds and 4 different things attached

Question 21

IUPAC naming: 1

Answer 21

meth-

Question 22

IUPAC naming: 2

Answer 22

eth-

Question 23

IUPAC naming: 4

Answer 23

but-

Question 24

IUPAC naming: 3

Answer 24

prop-

Question 25

IUPAC naming: 6

Answer 25

hex-

Question 25

IUPAC naming: 5

Answer 25

pent-

Question 26

IUPAC naming: 7

Answer 26

hept-

Question 27

Substituent names: Cl, F, Br, I

Answer 27

Chloro-, Fluoro-, Bromo-, Iodo-

Question 28

Molecular Geometry: Tetrahedral

Answer 28

4 quadrents, 4 elements

Question 29

Molecular Geometry:
Trigonal Pyramid

Answer 29

4 quadrents, 3 elements, 1 pair e

Question 30

Molecular Geometry:
Bent 109

Answer 30

4 quadrents, 2 elements, 2 pair e

Question 31

Molecular Geometry:
Linear

Answer 31

2 quadrents

Question 32

Molecular Geometry:
Bent 120

Answer 32

3 quadrents, 2 elements, 1 pair e

Question 33

Molecular Geometry:
Trigonal Planer

Answer 33

3 quadrents, 3 elements

Question 34

Avogadro’s Number

Answer 34

6.022 x 10^23

Question 35

Hydrolysis contains…

Answer 35

ester + water

Question 36

Hydration contains…

Answer 36

alkene + water

Question 37

Hydrogenation contains…

Answer 37

hydrogen + alkene

Question 38

Condensation contains…

Answer 38

alcohol + carboxylic acid

Question 39

AB + CD -> AD + CB is what?

Answer 39

Double displacement reaction

Question 40

What is an exergonic reaction?

Answer 40

Releases energy and has more reactants than products

Question 41

What is an endergonic reaction?

Answer 41

Requires energy and has more products than reactants

Question 42

Product favored vs reactant favored reactions

Answer 42

Product Favored: end with more products; exergonic

Reactant Favored: end with more reactants; endergonic