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15 Cards in this Set

  • Front
  • Back
At STP, one mole of any gas occupies a volume of:
c.) 22.4 L
What is the volume, in liters, of 3.75 M of O2 gas at STP?
c.) 84.0 L
Determine the number of moles in 625 L of H2 gas at STP.
b.) 27.9 mol
The density of a gaseous compound is 1.623 g/L at STP. Determine the gram formula mass of the compound.
d.) 36.36 g
How many atoms are contained in 12.5 grams of silver?
a.) 6.97 x 10^22 atoms
What is the percentage of aluminium in Al2(SO4)3?
c.) 15.8%
What is the mas of hydrogen in 50.0 g of propane, C3H8?
b.) 9.1 g
The reaction in question 12 is an example of a:
c.) single-replacement reaction.
When the equation Fe(s) + O2(g) -> Fe2O3(s) is balanced, what is the coefficient for Fe2O3?
b.) 2
The reaction in question 14 is an expample of a :
a.)combination reaction
Which binary compound decomposes to form K + I2?
b.) KI
In order for the reaction Cu(s) + 2AgNO3(aq) ->Cu(NO3)2(aq)+ 2Ag(s) to occur, which of the following must be true?
a.) Cu must be above Ag in the activity series.
Water is often a product in:
d.)double-replacement reactions
Among the elements listed, which one coud replace all the rest as an ion from a compound in aqueous solution?
b.) Ca
The complete combustion of octane (C8H18) would:
d.) all of these