The diagram below illustrates a chemical equation. chemical equations can be used to model chemical changes and show how elements become rearranged during chemical reactions. which statement about is chemical equation is true? a. two compounds have reacted to produce one compound. b. two elements have reacted to produce one element. c. one compound and one element have reacted to produce one compound. d. two elements have reacted to produce one compound.

where are the choice options?

definition

                    entropy is a measure of the randomness or the extent of disorder of a chemical process.

                      enthalpy is a measure of the heat change of a reaction occurring at a constant pressure.

measurement units:

                        entropy is measured in joule per kelvin (jk⁻¹)   whereas enthalpy is measured in joule per mole (jmol⁻¹)

requirements:

                            entropy has no requirements or limits, and its change is measured by the division between the heat change of the chemical process and the temperature.

                              in contrast, enthalpy can only be related to the heat change of the reaction under standard conditions.