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Old 03-03-2008, 05:19 PM
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chem question/ gas laws?

thanks in advance for any help you can offer! i need to double check my answer for a quiz.

here's the problem:

ammonia burns in air as follows:

4NH3 + 3O2 --------> 2N2 + 6H2O

how many liters of N2 are formed by burning 4.50L if NH3 & 4.50L of O2 at STP?
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Old 03-03-2008, 05:19 PM
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Moles NH3 = moles O2
the ratio between reactants is 4 : 3
NH3 is the limiting reactant
Liters of N2 = 2 x 4.5 / 3 = 3.0 L
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Old 03-03-2008, 05:19 PM
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Moles NH3 = moles O2
the ratio between reactants is 4 : 3
NH3 is the limiting reactant
Liters of N2 = 2 x 4.5 / 3 = 3.0 L
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