Which is true of the enthalpy of a reaction? O A. Its value is always a negative kJ/mol B. Its value depends on which reactions are added C. Its value is the same as the enthalpy of each intermediate reaction D. Its value does not depend on which reactions are added​

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the dissolution of polymer can be thermodynamically described in 2 steps.

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.

gas

explanation:

smoke is the matter of a gas