设A和B两种物质混合形成非理想溶液,在溶液中两组元的活度分别为aA和aB,则由A、B两种纯物质混合形成溶液,体系的( )
A: ΔmixV=0, ΔmixH=0 , ΔmixS>0, ΔmixG<0
B: ΔmixV=0, ΔmixH=0 , ΔmixS<0, ΔmixG>0
C: ΔmixV=0, ΔmixH≠0 , ΔmixS和ΔmixG符号不定,但两者一定是一致的
D: ΔmixV=0, ΔmixH≠0 , ΔmixS和ΔmixG符号不定,但两者一定是相反的
A: ΔmixV=0, ΔmixH=0 , ΔmixS>0, ΔmixG<0
B: ΔmixV=0, ΔmixH=0 , ΔmixS<0, ΔmixG>0
C: ΔmixV=0, ΔmixH≠0 , ΔmixS和ΔmixG符号不定,但两者一定是一致的
D: ΔmixV=0, ΔmixH≠0 , ΔmixS和ΔmixG符号不定,但两者一定是相反的
举一反三
- 两种液体混合形成理想液态混合物,则( ) A: ΔmixV=0 ΔmixH=0 ΔmixS=0 ΔmixG=0 B: ΔmixV > 0 ΔmixH < 0 ΔmixS > 0 ΔmixG < 0 C: ΔmixV < 0 ΔmixH > 0 ΔmixS < 0 ΔmixG > 0 D: ΔmixV=0 ΔmixH=0 ΔmixS > 0 ΔmixG < 0
- 理想液态混合物的混合性质是: (4分) A: ΔmixV=0,ΔmixH=0,ΔmixS>0,ΔmixG<0 B: ΔmixV<0,ΔmixH<0,ΔmixS>0,ΔmixG=0 C: ΔmixV=0,ΔmixH>0,ΔmixS>0,ΔmixG=0 D: ΔmixV>0,ΔmixH>0,ΔmixS<0,ΔmixG>0
- 理想液态混合物的混合性质是() A: A.△mixV=0,△mixH=0,△mixS>0,△mixG<0 B: △mixV<0,△mixH<0,△mixS<0,△mixG=0 C: △mixV>0,△mixH>0,△mixS=0,△mixG=0 D: △mixV>0,△mixH>0,△mixS<0,△mixG>0
- 关于理想液态混合物的混合性质正确的是() A: ΔmixV=0;ΔmixH=0;ΔmixS>0;ΔmixG B: ΔmixV=0;ΔmixH>0;ΔmixS=0;ΔmixG C: ΔmixV>0;ΔmixH=0;ΔmixS>0;ΔmixG=0; D: ΔmixV>0;ΔmixH
- 理想液态混合物的混合性质是? A: ΔmixV=0, ΔmixH=0, ΔmixS>0, ΔmixG<0; B: ΔmixV<0, Δmixh<0, Δmixs<0, ΔmixG=0;<> C: ΔmixV>0, ΔmixH>0, ΔmixS=0, ΔmixG=0; D: ΔmixV>0, ΔmixH>0, ΔmixS<0, Δmixg>0。