Why does the rate of the reaction decrease over time

Rate of reaction decreases with time because when reactants react together to form a product. ... Rate of reaction decreases with time because when reactants react together to form a product. Reactants get used up during the reaction

- aluminum and copper chloride.

- the chloride ion to separate the aluminum from the oxygen so that the aluminum can react with the copper ions (and the water molecules).

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.