In which compound does the first element have an ion charge of 1+? 1.)
CoCl2
2.)
ClF3
3.)
ZnO
4.)
Au2S

#4 is the correct answer

Explanation:

For #1, Cobalt has an ionic charge of +2

Chloride has a charge of -1, and Zinc has an ionic charge of +2. Therefore, Au has a charge of +1

i think so it’s will be b yes i believe its

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.