29. What is the general
chemical equation of
photosynthesis? Why doesn't
that equation clearly show the
real origin of the molecular
oxygen liberated?

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The general equation photosynthesis
is:

6 6 H2O + --> C6H12O6+
6 .

Water molecules are produced in
the stage of photosynthesis
the following complete reveals:

6 CO2+ H2O + light -- C6H12O6 +
6 + 6 O2

molecules are present the
reagent side well in the
of the equation. mathematical
simplification of
coefficients however leads elimination
of water the product side it
then seems 6 molecules of
oxygen (O2), i.e., atoms of
oxygen, made for each molecules
of water, .e., 6 oxygen atoms,in
reagent side. Thus false impression
that other oxygens come carbon
dioxide is .