The gizzard: The bird stomach's second chamber is known as the gizzard. If you've ever eaten a chicken gizzard you know how tough and rubbery it is. To accomplish what the gizzard does, it absolutely must be tough, for the gizzard's main function is to grind and digest tough food.
C12H22O11 + 12 O2 Â® 12 CO2 + 11 H2O This illustrates the methods used for writing balanced reaction equations: 1  Determine the reactants and products. In this case, the products are CO2 and H2O, determined by common sense. 2  Apply the fundamental principle of conservation of atoms.
1 Write the half-reactions and balance the key elements: 2  Add electron to compensate the oxidation state changes: 3  Since the half-reactions are balanced with respect to charges and number of atoms, no further work is required.4  Just add the two equations and get a balanced equation. You have to assume that the S atom is oxidized by a reducing agent, H 2 O. 2  Only the key elements are given on the left in the half-reactions: 3  Add electrons to compensate for the oxidation changes: 4  Combining the two half-reactions gives the following balanced chemical equation.