Ignoring stereochemistry, to the nearest kcal/mole, what is the overall enthalpy difference of the reaction of 2,4-dimethylpentane, chlorine, and light going to the major mono-chlorinated product? Numeric response only, no units. Bond Disassociation Energies kcal/moleSelectivity Ratios C-H C-F C-CI C-Br C-I X-X H-X 1° 2° 3° 1° 98 107 81 68 53 F 38 136 F 1 1.2 1.4 2° 95 106 80 68 53 CI 58 103 CI 1 4 5 3° 91 106 79 65 50 Br 46 88 Br 1 80 1700 I 36 71

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.