What is the mass in grams of 1.02 x 1024 atoms manganese (mn)? a. 0.112 x 101 g c. 9.30 x 10-1g b. 0.169 x 101 g d. 9.31 x101 g select the best answer from the choices provided a b c d

Option (d) is the correct answer.

Explanation:

According to Avogadro's number, every 1 mole of a substance contains atoms or particles.

Now, it is given that there are atoms of manganese are present. Hence, calculate its number of moles as follows.

     No. of moles =

                           = 1.69  mol

As we know that, number of moles is equal to mass of a substance divided by its molar mass. Since, molar mass of manganese is 54.93 g/mol.

        No. of moles =

                1.69 mol =

                 mass = 93 g

Therefore, we can conclude that the mass in grams of atoms of manganese (Mn) are .

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.