Why does the experiment not determine the activation energy for the reaction of citric acid and sodium bicarbonate? ?
The process you will be examining is the dissolution of Alka Seltzer® tablets with the subsequent reaction of two of its components, citric acid and sodium bicarbonate (Equation 3).C6H8O7(aq) + 3 NaHCO3(aq) → 3 H2O(l) + 3 CO2(g) + Na3C6H5O7(aq)(Eqn.3)citric acid + sodium bicarbonate→ water + carbon dioxide + sodium citrate. This reaction is responsible for the formation of the bubbles of carbon dioxide that give the product its distinct effervescence, for which Alka Seltzer tablets are well known. You will be collecting the carbon dioxide gas and determining its volume at a series of temperatures; this volume will be the variable substituted for k in the Arrhenius plot.
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