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What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed ...

What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for reaction is 2NH3(g) → N2(g) + 3H2(g)
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  • A 50cm3
  • B 150cm3
  • C 200cm3
  • D 300cm3
Correct Answer: Option B
Explanation:
According to the equation 2NH3 → N3 + 3H2
2 x 22400cm3[sup] of ammonia will produce
3 x 22400cm[sup]3
of hydrogen
If 100cm3 of NH3 is used.
:. H2 volume = \(\frac{100}{2x22400} x 3x22400
=150cm3[/sup][/sup]

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