//Investigate an oxidation film will form over Nickel or not //Ex:20.2 clc; clear; close; m_m=58.71;//molecular weight of ni m_c=74.71;//molecular weight of nio p_m=8900;//density of ni in kg/m^3 p_c=7080;//desity of nio in kg/m^3 x=m_m/p_m;//molar volume of ni in m^3/mol disp(x,"Mc/Pc (in m^3/mol)"); y=m_c/p_c;//molar volume of nio in m^3/mol disp(y,"Mm/Pm (in m^3/mol)"); printf(" Mc/Pc > Mm/Pm Hence protective layer of NiO will form over Ni ");