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← ScienceWhich reaction change occurs during catalytic gas phase conversion?
A)Decreased activation energy requirement✓
B)Increased equilibrium product constant
C)Unchanged enthalpy of reaction mixture
D)Enhanced reactant gas phase stability
💡 Explanation
Catalysts accelerate the rate of reaction due to adsorption and surface reaction lowering the activation energy, because it provides an alternative pathway. Therefore the activation energy decreases, rather than changing enthalpy or equilibrium because it only affects the reaction rate.
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