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    Formula for Integration that result in log 4U

    Hi all, I was just wondering whether those integrals that result in a log would need to be memorised? or will they have to state it in a question for us to use? Also, is there any easy way of deriving the formula or so?
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    help for indicator question

    It's from Total Education Centre Trial 2020, could you explain what the correct answer is? Is it Bromthymol Blue?
  3. I

    help for indicator question

    hmmm would there be no such case that this occurs? like maybe it’s done at a specific temperature that affects Ka and Kb, if i were in an exam assuming they provided a graph such as that i should be reading equivalence point and thus determining the equivalence point from there and not just...
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    help for indicator question

    I don't understand the answer, if the equivalence point is 6.5 shouldn't bromthymol blue be used?
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    am i allowed to use 3u methods in a 2u exam as a 2unit student?

    So I am allowed to learn stuff that is not taught ie 3u methods; u-sub and auxillary to use in the 2U exam as a 2U student? Just clarifying I felt like I worded the original post poorly.
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    am i allowed to use 3u methods in a 2u exam as a 2unit student?

    am i allowed to use 3u methods in a 2u exam as a 2u student when my teacher hasn't taught me it (cause im 2u only)? i feel like some methods are actually easier for example to name a few U-sub for integration and auxiliary angles? and also are 3u students allowed to use 3u methods in 2u exams...
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