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