Recent content by new hand

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    What Kind of Radiation Does the GM Counter Detect?

    Homework Statement There is a radioactive source plaed in front of the GM counter to predict the kind of radiation emmitted by the source. 1 : When the GM counter moves 5 cm away from the source, the count rate drops significantly. 2 : When a 5mm aluminium sheet is inserted...
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    Solving for x and y with Radical Expressions

    That's really nice! Thank you anyway ^^
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    Solving for x and y with Radical Expressions

    Homework Statement 3(√x2+xy)-2x2+10=0The Attempt at a Solution There are x and y on the same side. If I expand it directly, it is so complicated! Can anyone show me the full step? Thanks!
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    Interesting inter-conversions of carbon compounds

    As CH3CHClCH2CH3 is changed to CH3CH(OH)CH2CH3 Oh my mistake! is the answer butan-2-ol?
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    Interesting inter-conversions of carbon compounds

    As OH group will replace the chlorine atom in the second carbon atom (counted from the left)as written in the question Correct or not?
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    Quick Organic Chem: P & Q Structural Formulas + Q to R Conversion

    Homework Statement ______________Stgae 1 [/B] P:C3H6O -----> _________________Br2 in organic solvent Q:C3H6OBr2 Stage 2 -->R:C3H5Br3 1.What is the structural formula of P and Q respectively? 2.What is the reagents in the conversion of Q to R?? (1) Phosphorous tribromide liquid (2)...
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    Interesting inter-conversions of carbon compounds

    My answer is 2-methylpropanol but someone told me that it is butan-1-ol which one is correct?
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    Interesting inter-conversions of carbon compounds

    can you draw the structural formula for me?? I am really confused
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    Interesting inter-conversions of carbon compounds

    Homework Statement CH2=CHCHCH3 + X --> CH3CHClCH2CH3 CH3CHClCH2CH3 + KOH(aq) --> Y then what is the structural formula of Y ?? (show clearly where the functional group located)The Attempt at a Solution It is obvious that X is HCl, and Y should be an alcohol but where is the hydroxyl group be...
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    Writing the Full Equation of Acidified KMnO4 & KI

    I want to ask what is the full equation of acidified potassium permanganate and potassium iodide? I have worked out the ionic equation... 2 MnO4- + 16 H+ + 10I- --> 2Mn2+ + 8H2O + 5I2- How to write the full equation?? THanks
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    Examples and Calculations for Redox Titration

    Other than this website, any others??
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    Examples and Calculations for Redox Titration

    This website i have read before! I want some exam type questions actually in order to practise my skills!
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    Examples and Calculations for Redox Titration

    It seems that you have read a lot! Can you give me some questions
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    Examples and Calculations for Redox Titration

    actually i want some more concrete calculations I have read 100 pages before. But the websites i found are not suitable enough.
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    Examples and Calculations for Redox Titration

    Actually, what is redox titration? what are the steps of carrying out this typpe of titration? Is it just like the simple titration?? Can anyone kindly list out a few examples, i mean calculations about redox titration? I am thankful if anyone can help.