Shweta Thakur posted an Question
June 30, 2020 • 17:55 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Plz check my solution..... i have not used hess laww .. plz tell difference between using this method which i have used and hess law ||

eviSion thahy ICO AxH= AHza = AH AuR 211:3 IS10 4 b 1 1:3- 3-155-12

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    Priyanshu kumar Best Answer

    sorry dear student your image is not visible...as app is not working properly

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    sir

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    Shweta not working today too

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    ok sir

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    you want hess law pdf??

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    no sir

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    ok

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    actually I am using alternate method for finding enthalpy of rwaction

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    that is enthalpy of product -enthapy of reactant

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    in place of Hess law

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    so m doing right ???

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    yes you can direct find delta H as delta H of products - delta H of reactants

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    hess law just say if reaction is proceed in one step or many step enthalpy of reaction is same

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    then what's the use of Hess laww

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    ok sir thanks

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    see if reaction proceeds in step by step when it dissociates , if sublime if gain electrons and data is given you can use hess law

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    ok

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    okk proceed in this way shweta...and please accept if you got

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