How many moles of hydrogen gas are needed to react completely with two moles of nitrogen? 3H₂ + N₂ -----> 2NH₃
Answers
Answer:
6 moles
Explanation:
Take a look at the balanced chemical equation for this synthesis reaction
N
2(g]
+
3
H
2(g]
→
2
NH
3(g]
Notice that you have a
1
:
3
mole ratio between nitrogen gas and hydrogen gas. This means that, regardless of how many moles of nitrogen gas you have, the reaction will always consume twice as many moles of hydrogen gas.
So, if you have
2
moles of nitrogen taking part in the reaction, you will need
2
moles N
2
⋅
3
moles H
2
1
mole N
2
=
6 moles H
2
Answer:
if 2 moles of dinitrogen gas are specified, 6 moles of dihydrogen gas are required
Explanation:
The equation above represents probably the most important inorganic reaction on the planet in that it allows the formation of ammonia and nitrates for nitrogenous fertilizer.
Your question specified 2 moles of nitrogen. I would be quite justified in assuming that the questioner meant 2 moles of dinitrogen gas, i.e. the equivalent of 4 moles of "NITROGEN" atoms.
Thus, if 2 moles of dinitrogen gas are specified, 6 moles of dihydrogen gas are required.
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