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The reaction of hydrogen with nitrogen to produce ammonia is shown below. If there are 12 moles of hydrogen, how many moles of nitrogen are needed to react completely with the hydrogen?N2(g) + 3H2(g) 2NH3(g)A.6B.4C.3D.36

Question

The reaction of hydrogen with nitrogen to produce ammonia is shown below. If there are 12 moles of hydrogen, how many moles of nitrogen are needed to react completely with the hydrogen?N2(g) + 3H2(g) 2NH3(g)A.6B.4C.3D.36

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Solution

The balanced chemical equation shows that 1 mole of nitrogen (N2) reacts with 3 moles of hydrogen (H2) to produce 2 moles of ammonia (NH3).

Given that there are 12 moles of hydrogen (H2), we can set up a ratio to find out how many moles of nitrogen (N2) are needed.

The ratio is 3 moles of H2 : 1 mole of N2.

So, if we have 12 moles of H2, we divide 12 by 3 to find out how many moles of N2 are needed.

12 ÷ 3 = 4

So, 4 moles of nitrogen (N2) are needed to react completely with the 12 moles of hydrogen (H2).

Therefore, the answer is B. 4.

This problem has been solved

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