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

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Chemistry WAEC 2001

What volume of hydrogen will be produced if 100cm3 of ammonia is completely decomposed at constant temperature and pressure? The equation for the reaction is 2NH3(g) → N2(g) + 3H2(g)

  • 50cm3
  • 150cm3 checkmark
  • 200cm3
  • 300cm3

The correct answer is: B

Explanation

According to the equation 2NH3 → N2 + 3H2 2x22400cm 3 of ammonia will produce 3x22400cm 3 of hydrogen if 100cm3 of NH3 is used H2 volume = 100/2x22400 x 3 x22400 = 150cm3
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