Balance the following equation:
NH4NO3 = N20 + H20
What is a coefficient of two before H20
100
If Amrit needs to make a .2 molar concentration of an unknown solution to impress the ladies, how much does his 2 molar solution of 200 mL need to be diluted?
What is diluted to 2 liters
100
If one pound is equal to 0.453592 kg, how many pounds of NaCl would you require for a reaction that requires 720 grams?
What is 1.587 pounds?
100
How many moles of CO2 can be formed by the reaction of 2.3 moles of Aluminum Carbonate in:
Al2(CO3)3 = Al2O3 + CO2
What is 11.5 moles?
100
When 80 grams of Aluminum is reacted with excess chlorine gas, how many moles of AlCl3 are produced?
What is 2.96 moles?
200
Carbon disulfide reacts with ammonia gas to produce hydrogen sulfide and ammonium thiocyanate. Balance this.
What is a 2 coefficient for ammonia
200
How many moles of rust are in 150 g of ferrous oxide?
What is .9393 moles
200
How many moles of NO2 are in 10 mg of a sample?
What is 2.17 x 10^-4
200
Calculate the percent composition by mass of Carbon in C3H4O2
What is 50 percent
200
Calculate the molecular formula of NPCL2, knowing that 347.64 g/mol
What is N3P3CL6
300
A compound containing only nitrogen and sulfur is 69.6% sulfur by mass and the molar mass is 184 g/mol. What is the molecular formula of this compound?
What is S4N4
300
Balance:
Cr + S8 = Cr2S3
What is 16, 3, 8
300
Benzene goes through a combustion reaction. Balance this equation.
What is 2C6H6 + 15O2 = 6H20 + 12CO2
300
What masses of Ferric Oxide must be used to produce 15 g of iron through thermite reaction?
What is 21.5 g Fe2O3
300
P4 + F2 = PF3
If it has a 78.1% yield, what mass of F2 is needed to produce 120 grams of PF3?