Which of the following represents a process that is always spontaneous? Delta H:

Question

Which of the following represents a process that is always spontaneous? Delta H: positive Delta S: negative Delta H: negative Delta S: negative Delta H: negative Delta S: positive spontaneity is not related to the signs of Delta H and Delta S Delta H: positive Delta S: positive What is Delta S_surr if the enthalpy change of a system is +88.1 kJ and the temperature is 280 K? -315 J/K The entropy change in the surroundings is not related to the enthalpy change in the system. -0.315 J/K +315 J/K +0.315 J/K

Explanation / Answer

15) for a reaction being always spontaneous delta S > 0 and delta H < 0. It means delta S should be positive and delta H sould be negative as delta G = delta H - T delta S.

16) delta S = delta H / T

= 88.1 kJ/ 280 K = 0.315 kJ/ K = 315 J/ K

Related Questions

Navigate

• Browse (All)
• Browse W
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.