Chemistry, 18.02.2020 07:40, joelpimentel

1.
N2(g) + H₂(g) → NH3(g)
How many moles of hydrogen are needed to completely react with two moles of nitrogen?
2.
KCIO, - KCl (s) + 02
How many moles of oxygen are produced by the decomposition of 7.35 moles of potassium
chlorate?
3. Zn + HCl —>ZnCl2 + H2
How many moles of hydrogen are produced from the reaction of 4.25 moles of zinc with an excess
of hydrochloric acid?

Volume Stoichiometry
4. How many moles of He gas are present in 12.4 L at STP?
5. At STP, what volume is needed to contain 4.35 moles of N, gas?
6.
N2 + H₂ → NH₃
What volume of hydrogen will react with 1.25 liters of nitrogen to produce ammonia at STP?
7. What volume of ammonia is produced in the using the value in problem 5?
8. C3H8+ 02 → CO2 + H2O
If 20.0 liters of
O are used in the above reaction, how many liters of CO2 are produced at the
same temperature and pressure?
9. CO + 02 - CO2
How many liters of carbon dioxide are produced if 75.0 liters of carbon monoxide are burned in
oxygen? How many liters of oxygen are necessary? All gases are at STP.

Answers: 3

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