Chemistry WCH14/01 October 2020
Edexcel
International AS/A Level
Chemistry (WCH)
Oct
2020
2. acid–base equilibria—Ka, buffer pH calculation, titration curve interpretation, indicator selection, conjugate acid–base pair identification
3. energetics—Born–Haber cycle for CaCl₂, lattice energy comparison, enthalpy of solution, Group 2 chloride lattice energy trends
4. organic chemistry—isomer identification (C₅H₁₀O₂), NMR and IR spectrum interpretation, chiral center presence, ester and ether functional group analysis
5. spectroscopy—¹H and ¹³C NMR chemical shift and splitting patterns, Rf value and TLC solvent polarity, structural deduction
6. entropy and equilibrium—ΔSsystem/ΔSsurroundings/ΔStotal calculations, temperature impact on Haber process equilibrium, entropy justification from gas moles change
معلم موافق رایگان بودن است.
1. reaction kinetics—order determination from rate data, hydrolysis mechanisms, half-life graph interpretation, Arrhenius equation application2. acid–base equilibria—Ka, buffer pH calculation, titration curve interpretation, indicator selection, conjugate acid–base pair identification
3. energetics—Born–Haber cycle for CaCl₂, lattice energy comparison, enthalpy of solution, Group 2 chloride lattice energy trends
4. organic chemistry—isomer identification (C₅H₁₀O₂), NMR and IR spectrum interpretation, chiral center presence, ester and ether functional group analysis
5. spectroscopy—¹H and ¹³C NMR chemical shift and splitting patterns, Rf value and TLC solvent polarity, structural deduction
6. entropy and equilibrium—ΔSsystem/ΔSsurroundings/ΔStotal calculations, temperature impact on Haber process equilibrium, entropy justification from gas moles change
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باز نشر محتواها در فضای مجازی، ممنوع است.
omer uner 
