Select the correct answer. How is the enthalpy of reaction shown in this potential energy diagram?

A.
as the sum of the energy of the products and the energy of the reactants
B.
as the sum of the activation energy and the energy of the products
C.
as the difference of the energy of the reactants and the energy of the products
D.
as the difference of the activation energy and the energy of the products

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.