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$8823-6114$

$2.$ Methanoic acid can be produced by the hydrogenation of carbon dioxide according to the equilibrium

$C{O}_2(g)+H_2(g)H\frac{C}{O}OH(g)$

$($a$)$ Explain why this process has been extensively investigated in recent years.

$[2]$

$($h$)$ State the equilibrium constant expression for this reaction.

$[1]$

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