Cool Chemistry Facts
Diamonds are made of
Carbon
Total pressure of a container with two gases is 300mmHg. The partial pressure of one gas is 25 mmHg. What is the partial pressure of the other gas?
275mmHg
to convert 30 Kpa to mmHg, I need to multiply by
(760 mmHg / 101.3 Kpa)
What is the ideal gas law
PV = nRT
The place Mr. Shin was born in
South Korea
Stomach acid can burn through
a) plastic
b) metal
c) wood
d) all of the above
d) all of the above
Why can we choose any value for the vapor pressure of water?
Trick question: You can't.
What units must temperature be in when using gas laws?
Kelvin!
R, when the units of pressure are in Kpa, is
8.31
What Mr. Shin is allergic to?
A) Walnuts
B) Milk
C) Annoying students
D) Olive oil
A) Walnuts
Glass is a
a) solid
b) liquid
c) ionized gas
d) none of the above
d) none of the above. Amorphous solid
What is the formula for partial pressures?
P total = P water vapor + P gas + P gas 2, etc.
Units of pressure for PV = nRT must always be in
Trick question: any pressure is fine
R, when the units of pressure are in atm, is
.0821
Mr. Shin's hometown (somewhere in Massachusetts)
Watertown
How many elements are there?
118
A closed container has water at 24.4 degrees C. What is the total pressure of the container?
Whatever the vapor pressure of water is at 24.4 degrees C
When using partial gases, pressure must always be in units of
Trick question: any unit is fine! As long as every value is consistent
What are the units of R?
(atm or Kpa or mmHg x L / mol x K)
An important event happened in 2014 for Mr. Shin
High School Graduation
All the hydrogen atoms in your body are how old?
13.5 billion years old
A reaction occurs over water, producing two additional gasses. You know the partial pressure of one gas that is produced, 50mmHg and you know the total pressure which is 500mmHg. You forgot to record temperature. How do you solve for the remaining partial pressures?
Trick question: You can't.
To convert 45mmHg to Kpa, what do I need to multiply it by?
101.3 Kpa / 760 mmHg
constant
The year Mr. Shin was born in
1996
(isn't he so old)