Exam 1
Exam 2
Exam 3
After Exam 3
Shit Nobody Knows

### 100

Moles of Oxygen in 2.5 moles of NO2
5

### 100

Oxidation number of Hydrogen in H20
+1

### 100

How do atoms bond to each other?
Through Electrons

### 100

Weakest Intermolecular Force?
London Dispersion

### 100

How did Einstein find gravitational waves in his equations?
When he linearized his weak field equations, he found that they had wave solutions. These wave solutions are the gravitational waves.

### 200

What is the numerical definition of the mol?
6.022*10^23

### 200

Ideal Gas Equation
PV=nRT

### 200

If you have a steric number of 6 and no lone pairs, what is your molecular geometry
Octahedral

### 200

Strongest Intermolecular Force
Ionic (Ion-dipole)

### 200

What is the curl of the magnetic vector field through any closed surface?
Zero

### 300

Molecular Formula for Dinitrogen tetroxide
N2O4

### 300

How many liters does one mole of an ideal gas occupy at STP?
22.4 L/mol

### 300

What is the equation of energy for light of a given wavelength or frequency?
E = hc/lambda = hv

### 300

What is molality and mole fraction?
Molality: moles of solute per kilogram of solvent. Mole fraction: Mole of X divided by the total moles

### 300

When did Aristotle die?
322 BC

### 400

If the theoretical yield was 10g but you only got out 6.5 g, what was the percent yield?
65%

### 400

What is the equation we use for calorimetry problems
q=mc(Delta(t))

### 400

Which homonuclear diatomic molecules are an exception to the molecular orbital structures we draw?
B2, C2, N2

### 400

The point on the phase diagram where all phase changes are occuring at the same rate is called what?
The Triple Point

### 400

Catatonic patients who survived the 1917-1928 epidemic of encephalitis lethargica were administered what drug during their "awakenings"?
L-Dopa

### 500

Equation for dilution problems involving Molarity
M1V1 = M2V2

### 500

What is the Net Ionic Equation of a weak acid HA reacting with the strong base NaOH?
HA + OH- ---> H20 + A-

### 500

What is the Lewis Dot Structure of IF4
I is central atom single bonded to each F (all with filled octets) and the I has a lone pair and an extra electron in its expanded octet

### 500

Stronger Intermolecular forces increase or decrease vapor pressure?
Decrease

### 500

What are the physical requirements for non-zero second time derivatives of mass-quadrupole moments?
A non-spherically symmetric accelerating system