From the enthalpy of combustion data in Table 2C.1 for the alkanes methane through octane, test the extent to which the relation Δ_cH^⦵ = k{(M/(g mol⁻¹)}ⁿ holds and find the numerical values for k and n. Predict Δ_cH^⦵ for decane and compare to the known value.

Data in table 2C.1

Transcribed Image Text:

Transition Transition Fusion Vaporization Sublimation Mixing Solution Hydration Atomization Ionization Electron gain Reaction Combustion Formation Activation Process Phase a →phase B s-l 1→g s-g Pure → mixture Solute → solution X*(g) →X+(aq) Species (s, 1, g) → atoms(g) X(g) → X+(g) +e (g) X(g)+e (g) →X-(g) Reactants products Compound(s, I, g) + O₂(g) →CO₂(g), H₂O(l,g) Elements → compound Reactants activated complex Symbol* Atrs H ΔΗ AvapH AsubH Amir H sol AnydH AtH Aon H AH A,H ΔΗ AH A³H