Using the bond energies provided, calculate the enthalpy of the reaction (AHrxn, in kJ) for the hydrogenation of ethylene to ethane. shown below. CH,CH,(g) + H,(9) → CH,CH,(9) Single Bond c N о н H 432 411 346 N 386 305 167 459 358 201 142 C=C 602 C=o 799 C=C 835 C=0 1072 Multiple Bonds C=N 615 0=0 494 C=N 887 N=N 942 "All values in kJ/mol

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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.