Calculate the energy equivalent of 1 g of substance.

Define 1 amu. Calculate its energy equivalent in MeV.

Given that the oxidation state of sulphur is -2 , calculate the gram equivalent wt.of sulphur.

14.7 g of sulphuric acid was needed to dissolve 16.8 g of a metal. Calculate the equivalent weight of the metal and the volume of hydrogen liberated at NTP.

9.44 g of a metal oxide is formed by the combination of 5 g of the metal. Calculate the equivalent weight of the metal.

Calculate the energy required for the process H e^+(g) rarr H e^((2+))(g)+e^- The ionization energy for the H atom in the ground state is 2.18 xx 10^(-18) J atom ^(-1) .