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    For question 5 why do i get -5.68kJ/mol instead of -58.6kJ/mol?

    here's what i've done
    q=mc▲t
    100*4.18*0.68=284.24J

    n=(v*c)/1000

    =(50*1)/1000
    =0.05mol

    H=Q/mol
    =284.24/0.05
    Attached Files
  1. File Type: doc 2.1 Exercise 1 - measuring enthalpy changes.doc (26.5 KB, 51 views)
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    samb1234 EricPiphany
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    bump
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    Either its a typo or my mental maths is awful lol
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    (Original post by thefatone)
    For question 5 why do i get -5.68kJ/mol instead of -58.6kJ/mol?

    here's what i've done
    q=mc▲t
    100*4.18*0.68=284.24J

    n=(v*c)/1000

    =(50*1)/1000
    =0.05mol

    H=Q/mol
    =284.24/0.05
    Error in bold above.
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    (Original post by EricPiphany)
    Error in bold above.
    Indeed, that's what i get for not reading the question carefully lol
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    (Original post by samb1234)
    Indeed, that's what i get for not reading the question carefully lol
    Happens to the best of us. Especially on TSR
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    (Original post by EricPiphany)
    Happens to the best of us. Especially on TSR
    i'll look at it tomorrow X_X i'm too tired and next week is gonna be a ****storm for me dofe kitcheck tomorrow, c1 test, piano lesson after school, and i gotta get all this chem done by tuesday aswell
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    (Original post by EricPiphany)
    Error in bold above.
    thanks a bunch it's supposed to be 0.1
 
 
 
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