FAN AND MEDAL
A scientist measures the rate of a reaction between two liquids. Then he performs the reaction again, adding solid manganese. The reaction takes place more quickly the second time. The mass of the manganese decreased by 0.45 grams during the reaction. He claims that the manganese acted as a catalyst because it sped up the reaction. Explain what is wrong with the scientists' reasoning.

I know this isn't math but know one would help me in science

Question

FAN AND MEDAL 
A scientist measures the rate of a reaction between two liquids. Then he performs the reaction again, adding solid manganese. The reaction takes place more quickly the second time. The mass of the manganese decreased by 0.45 grams during the reaction. He claims that the manganese acted as a catalyst because it sped up the reaction. Explain what is wrong with the scientists' reasoning.

I know this isn't math but know one would help me in science

vocaloid · Answer

catalysts are not consumed during reaction

aleah54 · Answer

is that the answer

vocaloid · Answer

that's the reasoning, yes

it's up to you to construct that into a complete explanation

aleah54 · Answer

ok ummmmm

aleah54 · Answer

sorry i'm not good at science

aleah54 · Answer

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welshfella · Answer

a catalyst kick starts and/or speeds up a reaction but does not react with the other chemicals.