Models
This is how a particle diagram depicts a change in the temperature of the gas particles.
What is . . .
a change in the size of arrows
Or
a change in the size of the motion lines.
This is how you would write 22 degrees Celsius in Kelvin.
What is . . .
295 K
(22+273)
If pressure is given in atm, what is the R value in the ideal gas law?
What is . . .
0.0821 L atm/ mol K
At STP, one mole of any gas occupies this many liters.
What is . . .
22.4 L?
The month of March got its name from this dude, the Roman god of war and fourth planet from the sun.
Who is . . .
Mars
This is a gas particle diagram showing an increase in the volume of the gas.
What is . . .
Check each other's drawings for a small container then a larger container.
(Change the size of the box)
If a gas starts at a pressure of 0.9 atm at 10 degrees Celsius and cools to 3 degrees Celsius, this would be the new pressure.
What is 0.88 atm
If there are 3.7 mol of a gas in a 5 L container at 210K, this would be the pressure.
What is . . .
12.76 atm
This is then number of moles in 100 grams of NO2 gas.
What is 2 moles.
According to the saying, if "March comes in like a lion, it will go out like" this animal.
What is . . .
a lamb?
This is a particle diagram showing a gas with a constant volume and amount of particles, but an increase in pressure.
What is . . . check each other's drawings for the same size of box and amount of dots, but an increase in the amount of particles that are hitting the side.
A 40.0 L tank of ammonia has a pressure of 12.7 kPa. Calculate the volume of the ammonia if its pressure is changed to 8.4 kPa while its temperature remains constant.
60.5 L
If there is 22 L of a gas at 3.3 atm at 280 K, this would be the number of moles.
What is . . .
3.16 moles?
CH4 + O2 --> CO2 + 2 H2O
This is the number of Liters of H20 gas that would be produced from 35 grams of CH4.
What is 98 L?
This famous scientist was born on Pi day (3-14).
Double points if you can also name the famous scientist who died on Pi day.
Who is . . .
Albert Einstein? (birth day in 1879)
Double: Stephen Hawking (died in 2018)
This is a particle diagram illustrating Charles' Law: As temperature increases, volume _______________.
What is . . .
Check each other's drawings. The drawing should show that when the particles move more (longer arrows), the gas takes up more space (bigger box.)
If 15.0 liters of neon at 25.0 °C is allowed to expand to 45.0 liters, what must the new temperature be to maintain constant pressure?
894 K
If I have an unknown quantity of gas at a pressure of 1.2 atm, a volume of 31 liters, and a temperature of 87 degrees C, how many moles of gas do I have?
What is . . .
1.2856 mol
CH4 + O2 --> CO2 + 2 H2O
This is the number of L of O2 gas that would be produced from 14 grams of CO2.
What is . . .
13.5 L?
According to Shakespeare, one should "Beware the Ides of March." This is the date of March when the "ides" occurs, which is also the day when Julius Cesar was assassinated.
What is . . .
March 15?
This is a particle diagram illustrating Gay-Lussac's Law: As temperature increases, pressure ____________.
What is . . .
Check each other's diagrams. Should show that as the temperature increases (longer arrows), the pressure increases (more collisions).
A gas balloon has a volume of 106.0 liters when the temperature is 45.0 degrees C, and the pressure is 740.0 mm of mercury. What will its volume be at 20.0 degrees C and 780.0 mm of mercury pressure?
92.66 L will be the volume.
If I have an nitrogen gas (N2) at a pressure of 0.5 atm, a volume of 25 liters and a temperature of 300 K, how many grams of gas do I have?
14.217 g
C2H4(g) + 3O2(g) -> 2CO2(g) + 2H2O(g)
How many liters of water can be formed if 1.25 liters of C2H4 are consumed in this reaction? Assume the reaction takes place at 1 atm and 298 K?
What is . . .
2.50 Liters of H2O
Within + or - 2 points, this was how many points per game Caitlin Clark averaged in the 2024 NCAA March Madness tournament when she played for the Iowa Hawkeyes.
What is . . .
30 points
(Accept 28-32)