Determine the number of moles of N2O4 needed to react completely with 3.62 mol of N2H4 for the reaction 2 N2H4(l) + N2O4(l) → 3 N2(g) + 4 H2O(l)
What is 1.81 mol N2O4
100
What is a particle?
What is a big term for things like atoms, or anything for the name of something that add up to a mole.
100
What is the molar mass of sodium fluoride?
What is 42 grams/mole of sodium fluoride
100
If we have a gas with a formula mass of 59.3, what is the density of the gas at STP?
What is 2.65 g/mole
200
the mass of one mole in a pure substance
What is Molar Mass
200
Determine the number of moles of N2 produced for the reaction 2 N2H4(l) + N2O4(l) → 3 N2(g) + 4 H2O(l) when the reaction begins with 1.24 moles of N2H4.
What is 1.86 mol N2
200
How many particles are in one mole
What is 6.02x10^23
200
What is the molar mass of potassium dichromate?
What is 294 g/mol
200
if we have 68.5 L of a gas at STP with a mass of 38.2 g, what is the formula mass of the gas?
What is 2.65 g/mole
300
the mass in atomic mass units of one formula unit of an ionic compound
What is formula mass
300
How many moles of calcium are in 0.544 g of calcium?
What is 0.0136 moles
300
How many hydrogen atoms are in one mole of hydrogen molecules?
What is 12.04 × 1023
300
What is the mass of 2.40 mol of copper?
What is 152 g
300
If we have 3.02 moles of a gas at STP, how much volume will it occupy?
What is 67.6 L
400
the unit used to count numbers of atoms, molecules, or formula units of substances
What is Moles
400
How many moles are there in 35 grams of calcium carbonate?
What is 0.35
400
What are the particles in this equation?
4AL(s) + 3O2(g) -> 2Al2O3(s)
What is 4 atoms of solid aluminum and 3 molecules of gaseous oxygen combine to form 2 molecules of aluminum oxide.
400
Molar mass of water?
What is 18g/mole
400
c2H4 + 3O2 -> 2CO2 + 2H20
what volume in liters of CO2 is formed when 125L of c2h4 is burned? Assume both gases are measured under the same conditions.
What is 2 x 125L = 250L
500
the volume that a molar mass occupies
What is molar volume
500
How many moles of chlorine are in 100 g chlorine (Cl)?
What is 2.82 moles
500
A sheet of drywall contains 1.2 x10^26 formula units of gypsum(Calcium sulfate dihydrate), CaSO4 x 2H2O(s). What is the amount in moles of gypsum is in the sheet of drywall?
What is 199.3355 moles of gypsum
500
What is the molar mass of arsenic?
What is 74.9 g/mol
500
c2H4 + 3O2 -> 2CO2 + 2H20
what volume in liters of o2 is required to form 36L of CO2? assume both gases are measured under the same conditions.