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Recent content by jlyw

  1. J

    confirm salts chem34

    Well, if u are observant enough, you will see that the students recorded the final temp and initial temp wrongly in place.. i think that is the error.. whereby the initial temp should be the final temp coz it's an endothermic reaction. however, the student recorded the final temp higher than...
  2. J

    Permutation, combination and probability

    I know when to use permutation and combination already. Just that there are a lot of different examples of how they are being used DIFFERENTLY. That's the thing i want to find out. Thanks :)
  3. J

    Permutation, combination and probability

    After doing so many past year, I found out that questions on permutation and combination and vary a lot, while probability I still can manage to solve easily. What are the important thing that we need to look after and consider while doing permutation and combination? Is there any tips? I mean...
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