.Chemistry Help please?

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This type of question come in our exams usually that.
If the Reaction
P+Q → R + S
is described as being of zero order with respect to P, it means that.
Answer: THE RATE OF REACTION IS INDEPENDENT OF THE CONCENTRATION OF P.

I want to ask that, what is such thing in this reaction that we should write this answer , I mean how to solve it or what , thanks i have MCAT exams please reply

  • .Chemistry Help please? -

    http://chemwiki.ucdavis.edu/Physical_Chemistry/Kinetics/Rate_Laws/The_Rate_Law

    What you need is to understand what" if rate of reaction is such that
    R=kP where k=1, that is zero order. See the reference above

  • .Chemistry Help please? -

    @bobpursley , thanks but i have very little time left for exams so summarize to me in simple way if ur wish bro, tell me how to solve such questions quickly?

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