Gas Laws
A sample of oxygen gas collected in the lab occupies a volume of 250. mL when its pressure is 720. mmHg. What volume will the gas occupy at a pressure of 760. mmHg if the temperature is held constant?
What is 237 mL
Name XeF4
Xenon Tetraflouride
The balanced chemical equation for the reaction of solid carbon and gaseous oxygen to form gaseous carbon dioxide.
What is C(s) + O2(g) ---> CO2(g)
What is the element with the following configuration: 1s^2 2s^2 2p^6 3s^2 3p^3?
P
CO2 + 2LiOH --> Li2CO3 + H2O How many moles of lithium hydroxide are required to react with 20 mol of CO2?
What is 40 mol LiOH?
A sample of neon gas occupies a volume of 742 mL at 35˚C. What volume will the gas occupy at 60˚C if the pressure is held constant?
What is 802 mL
Name H2S
Hydrosulfuric Acid
Balance the following equation: _____H2 + ____O2 ---> ____H2O
2 H2 + 1O2 ---> 2H2O
What is the electron configuration of F?
What is 1s^2 2s^2 2p^5
Mg + 2HCl --> MgCl2 + H2 What mass of hydrogen is produced from the reaction of 75 g HCl (MM=36.5 g/mol) and excess Mg?
What is 2.0 g H2?
A 8.3 L gas sample at standard pressure is compressed to a volume of 2.8 L and the temperature is increased from 30˚C to 65˚C. What is the new pressure of the gas in atms?
What is 3.3 atm?
iron(III) chloride
FeCl3
Balance the following equation: ____C3H8 + _____O2 ---> ____CO2 + ____H2O
1C3H8 + 5O2 ---> 3CO2 + 4H2O
What is the abbreviated electron configuration of Ba?
What is [Xe] 6s^2
Ammonia decomposes to produce nitrogen and hydrogen gases. How many moles of H2 can be formed by the decomposition of 0.145 moles of ammonia?
What is 0.218 mol H2?
A volume of air occupying 3.00L at .765atm is compressed to a pressure of 1.43atm. The temperature remains constant. What is the new volume?
What is the chemical name of Mg3(PO4)2 ?
Magnesium Phosphate
Balance the following equation: ____P + _____O2 --->_____P2O5
4P + 5O2 ---> 2P2O5
What is the element with the following configuration: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6?
What is Fe?
2KClO3 --> 2KCl + 3O2 How many grams of KCl are produced if 5.0 g of KClO3 is decomposed?
What is 3 g KCl?
An 0.921 mol sample of hydrogen gas at a temperature of 7.00 degrees Celsius is found to occupy a volume of 28.5 liters. The pressure of this gas sample is?
What is 564mmHg
What is the formula for Chromium(III) oxide?
Cr2O3
Balance the following equation: ___NaBr + ____CaF2 ---> ____NaF + ____CaBr2
2NaBr + 1CaF2 ---> 2NaF + 1CaBr2
Electronic Configuration of Copper
1s2 2s2 2p6 3s2 3p6 3d10 4s1
Aluminum oxide reacts with iron to form Fe3O4 and Aluminum. Determine with limiting reactant when 5 moles of aluminum oxide reacts with 7 moles of iron.
What is iron?