what happens to the yield of hydrogen if the reaction is carried out at a higher pressure but at the same temperature

The yield of hydrogen decreases

Explanation:

The Haber process is exothermic. The equation of the Haber process is;

N2(g) + 3H2(g) > 2NH3(g)    ΔH = -ve

Now, if we maintain a constant temperature, the number of volumes will affect the yield of products as follows;

The higher the pressure the lesser yield of hydrogen because the increase in pressure shifts the equilibrium position towards the right hand side.

the answer for sodium is 0.186

the answer for rubidium is 0.251

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explanation:  

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