Gases
Name one unit of air pressure.
atm, kPa, barr, torr, etc.
True or False: Methane (CH4) is more soluble in water than ammonia (NH3).
False
Name one liquid with high viscosity.
Honey, syrup, motor oil, etc.
Which phase change is opposite of vaporization (evaporation)?
Condensation
The movement of one material through another is known as __________.
diffusion
Which of the following molecules can form hydrogen bonds?
A. HBr
B. NaCl
C. BC4
D. H2O2
D. H2O2
Which type of crystalline solid often has excellent conductivity?
Metallic solids
Three phases of a substance can coexist at the __________.
triple point
Calculate the ratio of effusion rates between Hydrogen (H2) and Helium (He).
1.41
Which end of the HF molecule is partially negative?
The F (fluorine) side
Which intermolecular forces are present within an atomic solid?
Dispersion forces only.
List three phase changes that require energy.
Melting, vaporization (evaporation) and sublimation
What type of system usually leads to stormy weather?
Low-pressure system
Which intermolecular force(s) would a sample of methane (CH4) contain?
Dispersion forces only.
The curved surface of water caused by hydrogen bonding with the sides of the container is called the _________.
meniscus
Snowflakes forming on the window on a cool morning are an example of _____________.
deposition
Which two scientists originally proposed kinetic molecular theory?
Ludwig Boltzmann and James Maxwell
Which periodic trend is related to the intermolecular forces exerted between molecules?
Electronegativity
Write five of the states of matter.
Solid, liquid, gas, plasma, bose-einstein condensate, fermionic condensate
What is the temperature change associated with the vaporization of liquid water?
The temperature doesn't change!