Matter and Stoich
Gas Laws
Thermochemistry!
Atomic Theory
Organic Chemistry
100
How many atoms of oxygen are there in 2 moles of water?
1.204*10-22 atoms of oxygen.
100
The abbreviation "rms" stands for what?
Root-mean-squared speed
100
Correctly list the following symbols names in the order shown:
△ G , △ S , △ H
Changes in; free energy, entropy, enthalpy
100
These are outer-shell electrons
Valence electrons
100
Name this molecule.
1,1-difluoro-2-heptanone
200
Which is larger; a femtometer, a zeptometer, a meter, or a decimeter?
A meter is the largest length present, at 1 meter. A femtometer is 1x10-15 of a meter, a zeptometer is a 10x10-21 of a meter, and a decimeter is 0.1 of a meter.
200
What are the four standard atomic pressures
Atm, mmHg, kPa, torr
200
Name a technique used to measure the amount of heat transferred to or from a substance
Calorimetry
200
This particle is 1/1837 the a mass of a proton
Electrons
200
Branches that replace hydrogen atoms on a carbon chain are known as what.
Substituents
300
What is the purpose of a mass spectrometer?
Mass spectrometers can be used to determine the chemical makeup of an unknown substance. It can also be used to determine isotopes.
300
The R stands for what in the Ideal Gas Law.
What is the Ideal Gas Constant
300
What two type of heats can be involved during the phase change of evaporation and condensation?
Heats of evaporation and condensation
300
These two subatomic particles must be equal in number in order to make the atom neutral.
Protons and electrons
300
What is the molar mass of 2-iodo-5-octyne, to the nearest whole number? (No calculator)
236 grams/mole
There are 8 carbons, 13 hydrogens, and 1 iodine atoms.
(8*12)+(127)+(13*1)
400
What is the difference between a homogeneous mixture and a heterogeneous mixture?
Heterogeneous mixtures don't have uniform composition throughout, while a homogeneous mixture has uniform composition.
400
Increasing temperature will have what affect on volume if pressure is held constant.
The pressure will increase.
400
What is the triple point?
The triple point is the conditions that allow a substance to be in any state of matter, coexisting.
400
If you are looking at an ice cube melting on the counter, what is the system? What are the surroundings?
System: Ice
Surroundings: Name something else, bonus points if we find it entertaining
400
What is the exterior carbon bond angle for cyclononane?
40 degrees.
Since there are 9 sides, (7*180)/9=140 degrees.
180-140=40 degrees.
500
Balance this equation, and name the type:
xNa + xH2O -> xNaOH + xH2
2 Na
2 H2O
2 NaOH
1 H2
Redox Equation
500
When hydrogen gas is collected over water at 30˚C, (water vapor pressure 31.8 mmHg) the partial pressure of the hydrogen gas was determined to be 732.8 mmHg. What was the barometric pressure at the time the gas was collected?
765 mmHg
500
How much energy is required to raise 100 grams of water by 10 degrees celsius? (Use 4.1 J/GoC)
4100J or 4.184kJ
500
Give the noble gas configuration of Bismuth
[Xe] 6s2 4f14 5d10 6p3
500
Alcohols and carboxylic acids can react together to form what other organic molecule?
Esters