What is the final volume of a gas that starts at 500 torr at 50.3 L and has it's pressure increased to 950 torr with constant temperature
26L/30L (1 sig fig)
Stupid Answers
Canada’s Swan River empties into this lake.
What is Swan Lake?
What is the oxidation half of H2+Br2 -> 2HBr
H20 -> 2H+ +2e-
This SI unit is the go to unit for measuring temperature in our chemistry class.
Kelvin
What is 2025 (Base 10) in Binary (Base 2).
11111101001
The ratio of the pressure to temperature of an unknown gas in an unchanging container is found to be 0.75 atm/K, if the final temperature is measured to be 50 Celsius, what is the new pressure.
242.25 atm/240 atm(2 Sig Fig)
4-Letter Words
The soft underlay of feathers from a duck or goose is used to stuff pillows.
What is Down?
What is the reduction half of Zn + CuSO4 -> ZnSO4 + Cu
2e- + Cu2+ -> Cu0
Boiling Salt Water to separate the salt and water uses these properties to separate them.
What are Physical Properties?
This video game is known for being able to be run on anything, from the highest end computers to a ti-83 calculator or even a pregnancy test.
Doom
A gas is found to have a density of about 0.18025 g/L, if the pressure is measured at 2.00atm and the
temperature was measured at 0 degrees Celsius, what is the gas likely to be in the container?
Molar Mass is found to be 2.02 g/mol so it can really only be H2
Food & Drink
This fast food chain with more than 17,000 stores worldwide dropped its full name in 1991 and began using an abbreviation.
What is KFC?
What is the oxidation half of H2+Cl2 -> 2HCl
H20 -> 2H+ +2e-
What is 500 cubic centimeters to liters
0.5 Liters
Apparently this country is the happiest country in the world
Finland
What is the density of steam at 950 mmHg and 150 °C
M.M. of H2O is 18.02g/mol so the density is 0.65 g/L
Potpourri
You know from trips to the ATM that Andrew Jackson is on the front of the $20; this building is on the back.
What is the White House?
What is the reduction half of 2Na + F2 -> 2NaF
___(NH4)3PO4 + ___Pb(NO3)4 ---> ___Pb3(PO4)4 + ___NH4NO3
4(NH4)3PO4 + 3Pb(NO3)4 ---> 1Pb3(PO4)4 + 12NH4NO3
In computer science this data type stores the memory address of a variable.
A pointer.
A mixture of gases contains 5.67 moles of neon, 0.89 moles argon, 2.36 moles of xenon. Calculate the
partial pressures of the gasses if the total pressure is 5.00 atm
Neon 3.18 atm, Argon 0.500 atm, Xenon 1.32 atm
American History
Trying to cut the surplus in 1883, the government took the excise tax off everything but these two items.
What are tobacco and liquor?
What is the oxidation half of Fe+Mg(NO3)2 -> Fe(NO3)2 + Mg
Fe0 -> Fe2+ + 2e-
Given the Balanced Equation 3Mg + 2FeCl3 --> 3MgCl2 + 2Fe
The reaction was performed by trying to react 2.56g Mg with 8.00g FeCl3.
What is the limiting reactant and how much of the excess remains?
FeCl3 is limiting
0.76 g Mg remains
Activity
One person on each team must balance on one leg for the next 3 minutes. If you make it you get the points, you can not loose points for failure.