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  1. Jul 2022
  2. chem.libretexts.org chem.libretexts.org
    2.3: Thermochemistry
    2
    1. kimbro96 30 Jul 2022
      Find appropriate reactions and their standard enthalpy reaction Flip reactions and/or multiply reactions, if necessary, so that the combination of reactions results in the desired overall reaction Change the sign and/or magnitude of the ΔHorΔHro\Delta H^o_r values of the combined reactions, based on how the combined reactions were manipulated in Step 2 Sum up the individual steps and sum up the individual ΔHorΔHro\Delta H^o_r values to obtain the ΔHorΔHro\Delta H^o_r value of the desired reaction. Answer

      How to use Hess's Law

    2. kimbro96 30 Jul 2022
      ΔHor=∑productsvΔHof−∑reactantsvΔHof

      Change

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    chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Map:_Physical_Chemistry_(Atkins_et_al.)/02:_The_First_Law/2.03:_Thermochemistry
  3. chem.libretexts.org chem.libretexts.org
    1.1: The Perfect Gas
    3
    1. kimbro96 23 Jul 2022
      atmospheres

      One atm = 760 mm Hg

    2. kimbro96 23 Jul 2022
      moles

      A mole contains 6.022*10^23 particles.

    3. kimbro96 23 Jul 2022
      kelvins

      Kelvin: absolute

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    chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Map:_Physical_Chemistry_(Atkins_et_al.)/01:_The_Properties_of_Gases/1.01:_The_Perfect_Gas