2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/83949Earlier, the author found that for the biggest part of chemical reactions the law of conservation of energy must have the following form: dU=dQ+PdV+SUM. In the present paper this result is confirmed by other experiments.e-mail me istepanov@email.com, 8 pagesGeneral PhysicsChemical Physicstext