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TOO much Enthalpy stuff

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
2.1 Exercise 1 - measuring enthalpy changes.doc27.1KB
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thefatone
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@samb1234 @EricPiphany
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thefatone
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bump
Original post by thefatone


Either its a typo or my mental maths is awful lol
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.
Original post by EricPiphany
Error in bold above.


Indeed, that's what i get for not reading the question carefully lol
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 :tongue:
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thefatone
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Original post by EricPiphany
Happens to the best of us. Especially on TSR :tongue:


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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thefatone
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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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