GAS STOICHIOMETRY (standard
conditions)
** assume
all reactions in this section occur at STP **
1.)
How many liters of oxygen can be formed from the decomposition of 2.00 grams of
KClO3.
__ KClO3 à
__ KCl + __ O2
2.) How many grams of CaCO3 are required to
produce 6.00 L of CO2?
__ CaCO3 à __ CaO + __ CO2
3.) Determine the volume of hydrogen gas produced when
0.250 moles of zinc react with
excess HCl.
__ Zn + __ HCl à
__ ZnCl2 + __ H2
4.) How many liters of
nitrogen are required to combine with 3.0 L of hydrogen in the
following reaction:
__ N2 + __ H2 à __ NH3
5.) How many liters of oxygen are needed
to combine with 7.0 liters of propane in the
following reaction:
__ C3H8
+ __ O2 à __
CO2 + __ H2O
6.) From the following reaction:
__ CH4 + __ O2
à __ CO2 + __ H2O
How many liters of CO2 are
formed from 32.0 grams of CH4?
7.) How many grams of Na are needed to produce 5.0 L of hydrogen?
__ Na + __ H2O à __ NaOH + __ H2
8.) Determine the volume
of CO2 produced from burning 0.750 moles of
C.
__ C + __ O2 à __ CO2
Answers:
1.) 0.551 L 2.) 26.8
g 3.) 5.60
L 4.) 1.0
L 5.) 35 L
6.) 44.8 L
7.) 10. g
8.) 16.8 L
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