Cov txheej txheem:

Daim duab hluav taws xob yog dab tsi?
Daim duab hluav taws xob yog dab tsi?

Video: Daim duab hluav taws xob yog dab tsi?

Video: Daim duab hluav taws xob yog dab tsi?
Video: Hmong new song 2016 - Yog dab tsi - Xub Hluav Taws (Official MV) 2024, Plaub Hlis Ntuj
Anonim

Ib daim duab zog tuaj yeem txhais tau tias yog a daim duab qhia cov txheeb ze muaj peev xwm ntawm cov reactants, hloov pauv lub xeev, thiab cov khoom raws li cov tshuaj tiv thaiv zoo zuj zus nrog lub sijhawm.

Raws li txoj cai, daim duab hluav taws xob qhia dab tsi?

Cov zog Kev hloov pauv uas tshwm sim thaum muaj tshuaj lom neeg ua tau qhia hauv a daim duab hu ua lub peev xwm daim duab zog , los yog qee zaum hu ua kev hloov pauv hloov pauv. Ib lub peev xwm lub zog daim duab qhia qhov kev hloov ntawm lub peev xwm zog ntawm ib tug system li reactants yog hloov mus rau hauv cov khoom.

Kuj Paub, daim duab qhia lub zog pub dawb yog dab tsi? Cov Gibbs dawb zog graph qhia tau hais tias los yog tsis muaj cov tshuaj tiv thaiv yog tshwm sim - txawm tias nws yog exergonic los yog endergonic. ΔG yog qhov hloov pauv hauv dawb zog . Feem ntau, txhua qhov kev xav xav mus rau qis dua zog lub xeev, yog li qhov kev hloov tsis zoo yog nyiam.

Tsis tas li ntawd, koj ua li cas kos ib daim duab kos duab?

1 Teb

  1. Kos thiab sau ib khub ntawm axes. Sau lub axis ntsug "Lub Zog Muaj Peev Xwm" thiab kab rov tav axis "Reaction Coordinate".
  2. Kos thiab sau ob kab kab rov tav luv los cim lub zog ntawm cov reactants thiab cov khoom.
  3. Kos daim duab qhia qib zog.
  4. Kos thiab sau lub zog ua kom muaj zog.

Koj txhais li cas enthalpy?

Enthalpy yog ib qho khoom siv thermodynamic ntawm ib qho system. Nws yog tus lej ntawm lub zog sab hauv ntxiv rau cov khoom ntawm lub siab thiab ntim ntawm lub cev. Nws qhia txog lub peev xwm ua haujlwm tsis yog siv tshuab thiab lub peev xwm tso tawm cua sov. Enthalpy yog denoted li H; tshwj xeeb enthalpy npe h.

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