Gen Chem

Question 1

Liters to gallons

Answer 1

3.79L = 1 gallon

Question 2

Liters to quarts

Answer 2

1L = 1.06 qt

Question 3

kg to lbs

Answer 3

1 kg = 2.205 lbs

Question 4

grams to lbs

Answer 4

453.6g = 1 lbs

Question 5

Temp F to C

Answer 5

F=9/5C+32

Question 6

Temp C to F

Answer 6

C= 5/9(F-32)

Question 7

specific gravity

Answer 7

density of a material relative to density of water

Question 8

Molarity

Answer 8

mol solute/ L solution

Question 9

empirical formula

Answer 9

smallest whole number ratio of atoms in a compound

Question 10

hydrocarbons cannot have

Answer 10

an odd number of hydrogens

Question 11

Molality

Answer 11

mol solute / kg solvent

Question 12

mass percent

Answer 12

g solute / g solution

Question 13

Density varies with

Answer 13

Temperature

Question 14

Dilution formula

Answer 14

M1V1=M2V2

Question 15

Folds refers to

Answer 15

Multiple of original volume

Question 16

Parts refers to

Answer 16

Volume added to original volume

Question 17

Concentration is proportional to

Answer 17

Absorbance

Question 18

Lower pKa indicates

Answer 18

A stronger acid

Question 19

Volume of ideal gas at STP

Answer 19

22.4 L/mol

Question 20

Absorbance calculation

Answer 20

Abs1V1=Abs2V2

Question 21

Molality

Answer 21

Mol solute / kg solvent

Question 22

enthalpy equation

Answer 22

deltaH= energy of bonds broken - energy of bonds formed

Question 23

increase in bond dissociation energy also increases

Answer 23

bond strength

Question 24

e- withdrawing groups

Answer 24

cause higher acidity and lower pka

Question 25

most electronegative atom

Answer 25

fluorine

Question 26

inductive effect definition

Answer 26

e- density is pulled toward the most electronegative atom

Question 27

electronegativity order

Answer 27

Fonclbrisch

Question 28

fluidity decreases with

Answer 28

saturation

Question 29

best nucleophile has the least

Answer 29

inductive withdraw

Question 30

lower delta H =

Answer 30

more stable bond

Question 31

nitrate formula

Answer 31

NO3

Question 32

carbonate formula

Answer 32

CO3

Question 33

Effective nuclear charge --- across a row on the periodic table

Answer 33

increases

Question 34

electron affinity measures the

Answer 34

tendency of an atom to gain an e-

Question 35

more negative electron affinity =

Answer 35

greater e- affinity

Question 36

reduction refers to

Answer 36

the gain of an e-

Question 37

dipole moment refers to

Answer 37

degree of e- sharing between 2 atoms in a bond

Question 38

electronegativity increases --

Answer 38

up the table, b/c number of e- in the shell decreases, therefore less between other atom and that atoms nucleus