The value of ΔH° for the following reaction is -3351 kJ: 2Al (s) + 3O2(g) → 2Al2O3(s)
The value of ΔH°f for Al2O3 (s) is kJ.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

answer7,570,82356 cubic centimeters;