Gas Laws Round 2 Flashcards
If 20.0 g of C₂H₆ combusts, what is the volume of CO₂ produced at STP?
33.6 L CO₂.
How many grams of CO₂ are produced when 22.0 g of CH₄ burns in excess oxygen?
44.0 g CO₂.
How many liters of O₂ are required to completely react with 10.0 g of CH₄ at STP?
22.4 L O₂.
How many grams of H₂O form from 10.0 g of O₂ reacting with H₂?
11.25 g H₂O.
If 2.5 moles of H₂ react with 1 mole of O₂, what is the theoretical yield of H₂O in grams?
36.0 g H₂O.
What volume of NH₃ is produced from 3.0 moles of H₂ reacting with N₂ at STP?
22.4 L NH₃.
Determine the mass of sodium needed to produce 5.0 L of H₂ at STP when reacting with H₂O.
5.75 g Na.
What is the volume of H₂ produced at STP from the reaction of 5.0 g of Mg with HCl?
Answer: 2.06 L H₂.
How many grams of CaCO₃ are needed to produce 5.0 L of CO₂ at STP?
22.2 g CaCO₃.
Calculate the moles of NH₃ that can be produced from 10.0 g of N₂ in the Haber process.
0.714 moles NH₃.
What is the limiting reactant if 2.0 moles of H₂ reacts with 1.0 mole of O₂?
H₂.
Balance the combustion reaction of methane (CH₄) with oxygen.
CH₄ + 2 O₂ → CO₂ + 2 H₂O.
How many grams of H₂O are produced when 1 mole of C₆H₁₂ burns in excess oxygen?
108 g H₂O.
If 4.0 g of H₂ reacts with oxygen, how many moles of H₂O are produced?
2 moles.
Calculate the volume of CO₂ produced from the combustion of 1 mole of propane (C₃H₈) at STP.
67.2 L CO₂.
What is the pressure of 0.25 moles of gas in a 1.0 L container at 273 K?
5.60 atm.
What is the pressure of 2.0 moles of gas in a 5.0 L container at 300 K?
9.87 atm.
What is the pressure of 2.0 moles of gas in a 5.0 L container at 300 K?
9.87 atm.
Calculate the temperature of a gas if 1.5 moles in a 10.0 L container has a pressure of 2.5 atm.
203 K.
How many moles of gas are in a 4.0 L container at 1.0 atm and 298 K?
0.163 moles.
What is the volume occupied by 0.5 moles of gas at STP?
11.2 L.
Determine the mass of O₂ needed to fill a 2.0 L balloon at 1.0 atm and 298 K.
2.61 g O₂.
If a gas is initially at 300 K and 1.0 atm with a volume of 2.0 L, what is the new volume at 600 K?
4.0 L.
Calculate the final pressure if a 5.0 L gas at 300 K is compressed to 2.5 L at constant temperature.
2.0 atm.
What is the final volume of 3.0 L of gas at 250 K when the temperature is increased to 500 K at constant pressure?
6.0 L
If 4.0 moles of gas at 2.0 atm occupies 10.0 L, what is the temperature?
610 K.
