If a process is both endothermic and spontaneous, which of following is true?
A: ΔS >0
B: ΔS <0
C: ΔH <0
D: ΔG >0
A: ΔS >0
B: ΔS <0
C: ΔH <0
D: ΔG >0
举一反三
- If a process is both endothermic and spontaneous, which of following is true? A: ΔS >0 B: ΔS <0 C: ΔH <0 D: ΔG >0
- 气体分子在固体表面的吸附过程是( )。 A: △G<0,△S<0,△H<0 B: △G<0,△S<0,△H>0 C: △G=0,△S<0,△H>0 D: △G=0,△S>0,△H>0
- 胶粒对溶液中离子的吸附过程是()。 A: △G<0,△S<0,△H>0 B: △G<0,△S<0,△H<0 C: △G=0,△S>0,△H>0 D: △G=0,△S>0,△H<0
- 气体分子在固体表面的吸附过程是 A: ΔG < 0 ,ΔS < 0 ,ΔH < 0 B: ΔG < 0 ,ΔS < 0 ,ΔH > 0 C: ΔG = 0 ,ΔS < 0 ,ΔH > 0 D: ΔG = 0 ,ΔS > 0 ,ΔH > 0
- 在300K下,101.325KPa下,水变冰过程的 A: ΔH>0, ΔS>0, ΔG<0 B: ΔH<0, ΔS>0, ΔG>0 C: ΔH>0, ΔS>0, ΔG>0 D: ΔH<0, ΔS<0, ΔG>0