Which outcome occurs when a nickel catalyst's surface area decreases in a hydrogenation reactor?

💡 Explanation

Reaction rate decreases significantly because fewer active sites are accessible, limiting the number of collisions via adsorption leading to a reduced reaction **rate of adsorption**. Therefore, the rate declines severely rather than equilibrium shifting, because concentration is unchanged, keeping activation energy steady.

• During Schlieren imaging of a heated turbine blade, which mechanism ultimately limits aberration resolution?
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