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0.67moles

Explanation:

The balanced equation of the chemical reaction given in this question is:

N2 + 3H2 → 2NH3

According to this equation, 3 moles of hydrogen gas (H2) produces 2 moles of ammonia gas (NH3)

Therefore, 1 mole of hydrogen gas (H2) will produce;

= 1 × 2/3

= 2/3

= 0.6666

= 0.67moles of ammonia (NH3)

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.