5. A catalyst is a substance that: (a) Increases the rate of a reaction (b) Becomes part of the products (c) Decreases the activation energy (d) All of the above
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A catalyst is a substance which A. increases the activation energy B. increases the rate of reaction and increases the equilibrium concentration of products C. changes the equilibrium of a reaction so that the concentration of the product increases D. hastens the attainment of equilibrium
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A catalyst: (a) increases the average kinetic energy of reacting molecules (b) decreases the activation energy (c) alters the reaction mechanism (d) increases the frequency of collisions of reacting species
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A catalyst (a) Increases the frequency of collision of reacting species. (b) Alters the reaction mechanism. (c) Decreases the activation energy (d) Increases the average kinetic energy of the reacting molecules.
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