Aluminum ions react with carbonate ions to form an insoluble compound, aluminum carbonate. (a) write the net ionic equation for this reaction. (b) what is the molarity of a solution of aluminum chloride if 30.0 ml is required to react with 35.5 ml of 0.137 m sodium carbonate? (c) how many grams of aluminum carbonate are formed in (b)

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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.

4d^55s^1 ( third choice)