Unit One
Matter is anything that has _______ and occupies ____.
Anything that has mass and occupies space/ volume
How many bonds does Hydrogen make?
What does endothermic and exothermic mean?
endothermic- heat is being added to the system
exothermic- heat is being removed to the system
What color will the litmus paper turn in an acid and a base
red: acid
blue: base.
Write a secondary amine
N attached to two carbons
What are the base Units: mass, length, volume, time
grams, meters, liters, seconds
Linear: 180
Triagonal planar: 120
Tetrahedral: 109.5 (nonflat)
How much heat must be absorbed by 375g of water to raise its temperature by 25C
9375 Cal
Q=mst
Water is_____ meaning it can act as either an acid or a base
Amphoteric
What is a phenol
Benzene ring with an OH group
Convert 411kg to g
411,000g
Characteristics of Polar AND Nonpolar Molecules
Nonpolar: all nonpolar bonds, all polar but identical bonds and no lone pairs
Polar: at least one polar bond or all polar bonds but different bonds, lone pairs on CA, different elements around the central atom.
Properties of gasses can be described by what? (4)
Pressure, volume, temperature, # of moles
Draw: Octane
8 Carbon chain
Draw: 2,4- dimethylhexan-3-ol
Check
D= m/v
m= 588,880.8 grams
Draw the dipole arrows for CH3OH
H
H- C- O- H
H
Arrows going toward the O because it is the most electronegative
If you dilute 175mL of 1.6M solution of LiCl to 1.0L, determine the new concentration of the solution.
.28 M
MV=MV
Draw: 5- ethyl- 2,4,6- trimethyloctane
Check
Draw: 2-methylcyclopropanone
Double bond O with a methyl group
Do a table for the valence electrons for chlorine.
Symbol:
Total e-:
Group #:
N=1...
Symbol: Cl
Total e-: 17
Group #: 7A
N=1: 2
n=2: 8
n=3: 7
If you have 11.32 x 10^22 molecules of aspirin. How many grams? (MM= 180.154 g/mol)
33.86 g
Convert 7.09 ug/dL to g/L
7.09 x 10^-5 g/L
Draw the condensed, line bond, and skeletal structure for pent-1-ene
Check
Draw: 4-Bromobutan-2-methylbutanoic acid
O
DB
C - OH
CH3CHCh2CH2- Br