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OpenStudy (anonymous):
Which statement about catalysts is true: a. A catalyst has no effect upon the enthalpy of reaction b. A catalyst can cause two normally unreactive particles to react
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OpenStudy (anonymous):
A is true. Enthalpy refers to the net change in enthalpy between products and reactants. A catalyst decreases the amount of energy you must add to the reactants (activation energy), but the amount of energy in reactants and products is unaffected.
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