TY JOUR TI REFERENCE SOFTWARE FOR THE CALCULATION OF HEAT EFFECTS OF REACTIONS KW enthalpy of formation KW enthalpy of dissolution KW thermodynamic calculation KW aqueous solutions KW amines KW ammonium salts JO Modern Technologies and Scientific and Technological Progress AU Fomina, L.V. PY 2022 IS 2022 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»