Inside your digestive system, protein molecules are broken down to amino acid molecules. (You can read about digestion on page 28.)
a Has a new substance been formed?
b Has a chemical reaction taken place​

How much energy is made when a pice of wood burns. how do you know

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

Connect the whole numbers on the periodic table to indicate what they represent?