Ecology 6th Edition by Manuel Molles

Exercise 23

In general, what must be true of the chemical energy of the products of chemosynthesis compared to that of the reactants, for instance, the chemical energy of the product S 0 (elemental sulfur) versus that of the reactant H₂ S shown in figure 7.7

Figure 7.7 Hydrogen sulfide as an energy source for chemoautotrophic bacteria in the deep sea.