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anonymous

  • one year ago

Which of the following changes would slow down the rate of a reaction between vinegar and sodium hydroxide? Heating up the vinegar Reducing the amount of vinegar Grinding up the sodium hydroxide Decreasing the volume of the container

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  1. anonymous
    • one year ago
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    @taramgrant0543664 is it b?

  2. anonymous
    • one year ago
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    I'm doing the same exam! It's B.

  3. anonymous
    • one year ago
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    @silca Which of the following statements correctly describes the melting process? It is exothermic because heat is gained from the surroundings. It is endothermic because heat is lost to the surroundings. It is exothermic because heat is lost to the surroundings. It is endothermic because heat is gained from the surroundings.

  4. taramgrant0543664
    • one year ago
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    Yes vinegar or acetic acid removing some will want the reaction to proceed left instead of right causing the reaction to slow C2H4O2 +NaOH Heating the vinegar up will make the reaction proceed faster, grinding up NaOH increases surface area allowing the reaction to move faster as well and the volume of the container doesn't make sense unless they specify what they did

  5. anonymous
    • one year ago
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    @taramgrant0543664 Which of the following statements correctly describes the melting process? It is exothermic because heat is gained from the surroundings. It is endothermic because heat is lost to the surroundings. It is exothermic because heat is lost to the surroundings. It is endothermic because heat is gained from the surroundings.

  6. anonymous
    • one year ago
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    is it a?

  7. anonymous
    • one year ago
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    What's the definition of an exothermic reaction?

  8. anonymous
    • one year ago
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    Exothermic - gives off heat so it can't be A

  9. anonymous
    • one year ago
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    a reaction that release energy thru light

  10. anonymous
    • one year ago
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    so d is correct?

  11. taramgrant0543664
    • one year ago
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    I'm sorry someone said that this is an exam technically we aren't suppose to do anything if it's a test and if it's for an exam that's even worse...

  12. anonymous
    • one year ago
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    yea but this is not on a an exam

  13. anonymous
    • one year ago
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    ifinshed the exam but @silca is the answer b

  14. anonymous
    • one year ago
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    If you're not doing the test, it's D

  15. taramgrant0543664
    • one year ago
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    You just said "it's not an exam" and then said "I finished the exam" ???

  16. anonymous
    • one year ago
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    yea idid finsh the exam

  17. anonymous
    • one year ago
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    Which statement best describes how a catalyst affects the reaction rate of a chemical reaction? The addition of a catalyst decreases equilibrium and slows down the reaction. The addition of a catalyst increases the temperature of the reactants and speeds up the reaction. The addition of a catalyst decreases the required activation energy and speeds up the reaction. The addition of a catalyst increases the potential energy of the reactants and slows the reaction.

  18. taramgrant0543664
    • one year ago
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    But you said it wasn't an exam

  19. anonymous
    • one year ago
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    @silca is it a or d?

  20. anonymous
    • one year ago
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    @taramgrant0543664 oh typo

  21. taramgrant0543664
    • one year ago
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    Sure...

  22. anonymous
    • one year ago
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    @silca

  23. anonymous
    • one year ago
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    is it a or d?

  24. anonymous
    • one year ago
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    D

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