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← ScienceWhich outcome results when a propane torch heats a platinum catalyst?
A)Increased reaction rate, alkane conversion✓
B)Catalyst surface area decreases rapidly
C)Inhibition occurs, reactions cease
D)Energetic preference shifts towards reactants
💡 Explanation
Increased temperature from the torch drives the *adsorption* phase; because the catalyst lowers the reaction’s activation energy, increased collisions lead to more effective alkane conversion and higher reaction rate, rather than decreased catalyst area or inhibition effects.
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