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HEEEEEEELLLLLPPPPPPPPPP
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HEEEEEEELLLLLPPPPPPPPPP

HEEEEEEELLLLLPPPPPPPPPP-example-1
User Erwin Smout
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Answer:

d

Step-by-step explanation:

Catalysts quicken reactions, so using catalyst in trial 1 made the particles reacte quicker and thus have a higher number of required activation energy.

User Teddy Engel
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