The number of vacancies in some hypothetical metal increases by a factor of 5 when the temperature is increased from 227C to 627C. Calculate the energy for vacancy formation in kJ/mol. Assuming that the density of the metal remains the same over this temperature range.

The number of vacancies in some hypothetical metal increases by a factor of 5 when the temperature is increased from 227C to 627C. Calculate the energy for vacancy formation in kJ/mol. Assuming that the density of the metal remains the same over this temperature range. kJ 14.5 mol kJ 0 16.9 mol kJ 0 13.7 mol kJ O 18.9 mol O 15.1 kJ mol 0 11.8 kJ mol