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Chemistry (URGENT)

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Suppose a reaction involved a finely ground powder reacting with a concentrated acid. Suggest three methods of decreasing the reaction rate.

1. By placing the reactants in cold water.
2. ?
3. ?

Can someone please help? I can't think of what else I can do to slow down the reaction rate.

Thank you very much.

  • Chemistry (URGENT) - ,

    idj

  • Chemistry (URGENT) - ,

    Using dilute acid.
    Compress the powder into cake form.(decreasing the surface area).

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