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Section C — Data analysis and open-ended (optional bonus) (up to 10 marks) 11. (10 marks) You are given experimental calorimetry data for dissolution of a salt in water at varying concentrations showing non-linear enthalpy vs. concentration. Propose a model that accounts for ion pairing and hydration shell changes, write the mathematical form for observed ΔH_obs(c), and outline a fitting procedure (parameters, initial guesses, confidence intervals) to extract ion-pairing enthalpy and concentration-dependent hydration contributions.
Practical tip: Regularize fits to avoid overfitting; compare nested models (with/without ion-pair term) using Akaike Information Criterion. advanced chemistry philip matthews pdf
Duration: 3 hours Total marks: 100
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Relay Gear
Fundraisers earn points for every dollar raised to redeem for Relay products and swag through Relay Rewards. You can also purchase Relay gear through the ACS Event Shop.
This isn’t what I wanted.
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