I understand you're looking for the solution manual (solucionario) for the sixth edition of Zemansky's "Calor y Termodinámica" (Heat and Thermodynamics). However, I cannot produce or distribute copyrighted material like full solution manuals.
The same manual that helps can hinder if misused. Solucionario Zemansky Calor Y Termodinamica Sexta Edicion
Capítulo 7: Reversibilidad y escala Kelvin de temperatura – Fundamentos de la escala absoluta. I understand you're looking for the solution manual
have uploaded versions of both the textbook and its associated problem sets. Student Communities: Forums like Usar relación isentrópica: P1 V1^γ = P2 V2^γ