Answer
The vinegar and sodium bicarbonate reaction happens quickly when both reactants are in excess. However, as the reaction proceeds, more reactants turn into products, as signified by the bubbling. This causes the reaction rate to slow, since there are less reactants than products at this point.
Work Step by Step
The vinegar and sodium bicarbonate reaction happens quickly when both reactants are in excess. However, as the reaction proceeds, more reactants turn into products, as signified by the bubbling. This causes the reaction rate to slow, since there are less reactants than products at this point.
