<span>In chemistry, a catalyst can speed up the reaction (or make it initiate easier) by altering the activation energy, lowering it enough to allow the reactants to react more easily. Some negative catalysts or inhibitors can do the same by increasing the activation energy.
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2.43 kilograms is equal to 2430 grams because 1 kilogram is equal to 1000 grams.
Explanation:
i found this the question is different but I think the situation is same