1.

56 g of nitrogen and 8 g of hydrogen gas are heated in a cloed vessel. At equilibrium, 34 g of ammonia are present. The equilibrium number of moles of nitrogen, hydrogen and ammonia are respectively

Answer»

1, 2, 2
2, 2, 1
1, 1, 2
2, 1, 2

Solution :56 g of `N_(2)` = 56/28 = 2 moles,
8 g of `H_(2)` = 8/2 = 4 moles,
34 g of `NH_(3)` = 34/17 = 2 moles.
`{:(,N_(2),+,3H_(2),iff,2NH_(3)),("INITIAL","2 moles",,"4 moles",,),("At eqm.","2 - 1 mole",,"4 - 3 moles",,"2 moles"),(,"= 1 mole",,"= 1 mole",,):}`


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