Chapter 10
Chapter 11
Chapter 12
Miscellaneous
100
What is the electron geometry of CO2?
Linear
100
A 3.00 L sample of a gas initially at 1.30 atm is compressed to 1.15 L at constant temperature. What is the final pressure of the gas?
3.30 atm
100
What are intermolecular forces?
Attractive forces that exist between molecules
100
What is the SI unit of pressure?
Pascal (PA)
200
Draw the correct Lewis Structure for CH3NH2 is it polar or nonpolar? What is the molecular geometry?
Trigonal pyramidal, polar
200
A container with 2.55 mL of oxygen is cooled from 83.5ºC to 0.00ºC. What is the final volume of the oxygen gas?
1.96 mL
200
List the factors that increase the rate of vaporization
Increasing surface area
Increasing temperature
Decreasing strength of intermolecular forces
High volatility
200
What are the three properties of gases?
They are compressible
They assume the shape and volume of their container
Gases have low densities in comparison with liquids and solids
300
Draw the correct Lewis Structure for FCN. What is the electron geometry?
Linear
300
A balloon contains 0.423 mol of gas and has a volume of 3.54 L. if an additional 0.114 mol of gas is added to the balloon (at the same temperature and pressure), what is the final volume?
4.49 L
300
List the intermolecular forces from strongest to weakest
Covalent bonds, Hydrogen bonds, Dipole-Dipole, London/Dispersion Forces
300
What is the formula to find pressure?
force/area
400
Draw the correct Lewis Structure for HCL. Is it polar or nonpolar?
Polar
400
What is the volume of a cylinder with a pressure of 1.14 atm, filled with 0.228 mol of nitrogen gas, at a temperature of 85ºC.
5.87 L
400
Is evaporation endothermic or exothermic? Why? What about condensation?
Evaporation is endothermic, Condensation is exothermic.
400
Which is more viscous? Motor oil or gasoline?
motor oil
500
Draw the correct Lewis Structure for OF2 is it polar or nonpolar? What is the molecular geometry?
polar, bent
500
What are the four components of the Kinetic Molecular Theory?
Collection of particles in constant motion
No attractions or repulsions between particles; collissions like billiard ball collisions.
A lot of space between the particles
The speed of particles increases with increasing temperature
500
In which state are molecules closely spaced and generally do not move relative to one another?
solid
500
What are the three common states?
solid, liquid, and gas