Chemistry

10th

grade

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Rates of Reaction

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  • 1. Multiple Choice
    1 minute
    1 pt

    Why does a higher temperature increase the rate of a reaction?

    it increases both the frequency and energy of particle collisions

    it only increases the frequency of particle collisions

    it only increases the energy of particle collisions

    it reduces the activation energy of the reaction

  • 2. Multiple Choice
    1 minute
    1 pt

    Grinding a effervescent tablet into powder increases the rate of reaction due to increased

    concentration

    surface area

    temperature

    reactants

  • 3. Multiple Choice
    1 minute
    1 pt

    Adding a catalyst ___________ the activation energy.

    Raises

    Lowers

    Doesn't affect

    Inreases

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