states of matter
What is the term that refers that all matter are tiny particles that are in constant motion
Kinetic molecular theory
the transformation from one taste of matter to another is called a
phase change
Arrange the following compounds in order of their melting points. Place the compound with lowest melting point at the top and the compound with the highest melting point at the bottom.
CaO, ionic bonds
HF, hydrogen bonds
CO, weak dispersion forces
CO, weak dispersion forces
HF, hydrogen bonds
CaO, ionic bonds
In the absence of any external forces, the shape of a drop of water is determined by what?
surface tension
What was the all time highest earning movie in the 2000s?
2.7 billion dollars
Avatar
What is STP mean
standard temperature and pressure- standard set of condition that are used to compare properties of different gases.
0 degrees C and 100kPa
What are the 4 types of phase changes?
vaporization, condensation, sublimation, deposition
Which of the following pairs of elements is most likely to form a molecular compound?
A.Barium and chlorine
B.Manganese and oxygen
C.Sulfur and fluorine
D.Magnesium and nitrogen
sulfer and flourine
Which of the following compounds will dissolve in water?
potassium chloride (KCl)
hexane (C6H14)
sand (SiO2)
4. methane (CH4)
KCl
What was the number 1 song of the 2000s?
How you remind me- Nickleback
Name 3 elements that are gasses at STP?
page 161
What is the pressure of the gas above the liquid called?
vapor pressure
A museum curator receives a green artifact for restoration. Upon scratching the surface, shiny copper metal is exposed. He determines that the green substance on the copper artifact is patina. Patina is a thin layer formed due to oxidation of copper to copper oxide (CuO).
Which of the following represents the type of bonding in copper oxide?
Ionic
An electrolyte is a compound that conducts electricity when present in aqueous solutions, and a nonelectrolyte is a compound that does not conduct electricity when present in aqueous solution.
Which of the following compounds are nonelectrolytes?
sulfuric acid, H2SO4
potassium chloride, KCl
sodium chloride, NaCl
sucrose, C12H22O11
5.distilled water, H2O
sucrose, distilled water
What was the number one toy of the 2000s era?
LEGOS
How do particles move at low temp?
high temp?
Low pressure?
High pressure?
move slowly and less likely to collide
move faster and collide more
small space more likely too collide
depends on the number of particles
If you are at a high altitude such as mount Everest, would water boil at a lower temperature or a higher temperature than at sea level?
at a lower temperature
Which of the substances can be best characterized as having a high melting point and the ability to conduct electricity in molten state?
carbon monoxide (CO)
sodium fluoride (NaF)
diamond (C)
4. sucrose (C12H22O11)
B
Name 2 things that would decrease the dissolution rate of something?
When Youtube was first created and used it wasnt for funny videos or gaining popularity/followers... what was it made for?
A dating site... to post videos and meet the love of your life
Turn the following pressure into atmospheres
450 kPa
4.4 atm
What is an example of something that skips the liquid phase and immidiately begins to sublimate?
Dry Ice
Steel consists primarily of iron, with small amounts of carbon added. If too much carbon is added, the steel becomes too brittle. This tells us that too much carbon reduces steel’s __________.
Ductility
suffocates, hypoxic zones
What were the popular name of shoes that first came out that let you ride around like skates?
heelys