IIT JAM
Shweta thakur Asked a Question
July 2, 2020 12:50 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

Now plz check this question ..here we can't use that formula( product -reactnt) because reactants are not in elemanta state right !so we can us only hess laww

hydration is almost impossible. However, it can be easil following example 3. Calculation drated hate copper sulphate (CuSO4. SH2 O). Given that the enthalpies of solution.s of anhydrous
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  • Priyanshu kumar Best Answer
    https://www.askiitians.com/iit-jee-thermal-physics/application-of-hess-law/ go through application of hess law
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    Shweta thakur
    I know Hess law properly but I am getting confused whether I used Hess law and that** formula .....can we used product -reactnt formula everywhere.....
  • Priyanshu kumar thankyou
    i again reminded you that whenever you see there is enthalpy of hydration given, sublimation given, electron affinity value or Ionisation enthalpy value given then hess law is appl...
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    Shweta thakur
    here we can't use that formula of product -reactnt right??
  • Suman Kumar thankyou
    https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.chemguide.co.uk/physical/energetics/solution.html%23:~:text%3DThe%2520heat%2520energy%2520released%2520when,give%25...
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    Suman Kumar
    You can use
  • Priyanshu kumar
    yes you can use hess law
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