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    medical radiation science

    Hey , i was wondering if anybody had any hints for the interview questions for the medical radiation science interviews. Any help would be good thanks. ta sam xoxxo
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    esters

    OK i can't get the answer to this question: an ester can be formed by reacting butanoic acid with propanol. What is the condesned structural formual and name of the ester. I understand how do get the name but can't get the structural formula. Otay thanks.
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    Volume

    I was wondering if anyoen could please explain ot me how to do this question. And give me pointers on how to do these in the future, ta. Question: The region enclosed between the curve y=x^3, the x axis and the lines x=1 x=2 is rotated about the x-axis. Calculate the volume of the solid so...
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    stimulus

    I was wondering, if say you do poetry for the area of study text thing i.e Gwen Harwood. Does it matter that one of your stimulus pieces is poetry?
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    differentiation

    ok i am haing troubles with this question. differentiate: y=x^4(9x-1)^5 NOw i understand how to differentiatiate like to get this x^4.45(9x-1)^4 + (9x-1)^5.4x^3 but i don't understand how to get to x^3(9x-1)^4(81x-4) can someone please explain thanks.
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    soluble ions

    Does anyone know any test to check for silver and Mecury Ions?
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