Recent content by same1111

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    Cheap umat resources!!!

    Same. Picture for me too
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    2018ers Chit-Chat Thread

    Passive transport. Process is diffusion (through semi permeable membrane).
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    2017 HSC Marks Prediction Thread

    Re: 2017 HSC Marks Thread That will surely get u higher than 95 though. So you got that going.
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    Hey BoS need your help!!

    A fishing rod
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    parametrics locus halp

    its the intersection of the normals.. If you solve the two equations for the normal of q and p you get that for the y coordinate.
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    parametrics locus halp

    https://ibb.co/gnB7fG
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    parametrics locus halp

    y=x^3+3 isnt a parabola btw. I also got a different answer for 3 so maybe the question is wrong.
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    Unstable Nucleus?:

    Conditions in which a nucleus is unstable: 1.There are no stable nuclei with atomic number >83 2. For small atoms stable nuclei have neutron to proton ratios near 1:1, as atomic number increases, stable neutron to proton ratio increases to 1:1.5. This is because a large number of neutrons are...
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    Estimate own atar

    oh ok thanks
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    Estimate own atar

    any idea why? what happened
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    Estimate own atar

    doesnt say anything i just cant click on the 'hsc assessments' bar...
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    Estimate own atar

    Is anyone else unable to access their hsc assessment ranks on the studentsonline site?
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    galvanic help

    We know that magnesium is oxidised because it is losing electrons( changes to +2 charge) and mercury is reduced because it gains electrons.
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    Why is HCl added to the fertiliser when finding the % of sulphate in lawn fertiliser?

    Re: Why is HCl added to the fertiliser when finding the % of sulphate in lawn fertili Ensuring no CO32- is present. CO32- may precipitate with Ba2+ so HCl was added to acidify the solution and remove any carbonate ions that could be present, preventing the precipitation of barium salts with...
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