Butenes, such as 1-butene undergo isomerization in the presence of a catalyst to form isobutene according to the equation: 1-butene isobutene The equilibria were studied in the gas phase at high temperatures (Petroleum Chemistry. 2001, 41, 144-148). The equilibrium constant for the isomerization of 1- butene to isobutene at 555 °C is K- 0.80. A misxture of 1-butene (P= 1.05 bar) and isobutene (P=2.58 bar) were placed in a vessel at 555 °C and were allowed to come to equilibrium.

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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.