已知 25 ℃时反应: AgBr(s)= Ag+(aq)+ Br(aq) 的 ΔrGmΘ =70.25 kJ·mol-1,则 Ksp(AgBr)为
举一反三
- 下列反应中,哪个是表示ΔrHmθ=ΔfHmθAgBr(s)的反应? A: Ag+(aq) +Br-(aq)=AgBr (s) B: 2Ag(s) +Br2=2AgBr (s) C: Ag (s) +1/2Br2( l )=AgBr (s) D: Ag (s)+1/2Br2(S) =AgBr (s)
- 下列反应中,哪个是表示ΔrHmθ=ΔfHmθAgBr(s)的反应? A: Ag+(aq) +Br-(aq)=AgBr (s) B: 2Ag(s) +Br2=2AgBr (s) C: Ag (s) +1/2Br2( l )=AgBr (s) D: Ag (s)+1/2Br2(S) =AgBr (s)
- 在下列反应中,焓变等于AgBr(s)的ΔfHmΘ的反应是 A: Ag+(aq)+Br-(aq)=AgBr(s) B: 2 Ag(s)+Br2(g)=2 AgBr(s) C: Ag(s)+1/2 Br2(l)=AgBr(s) D: Ag(s)+1/2 Br2(g)=AgBr(s)
- 下列反应中哪个是表示ΔrHmӨ = ΔfHmӨ(AgBr, s)的反应 A: 2Ag(s) + Br2(g) =2AgBr(s) B: Ag(s) + 1/2Br2(l) = AgBr(s) C: Ag(s) +1/2Br2(g) = AgBr(s) D: Ag(aq) + Br(aq) =AgBr(s)
- 在下列反应中,焓变等于AgBr(s)的ΔfHmθ的反应是。 A: Ag+(aq)+Br-(aq)→AgBr(s) B: 2Ag(s)+Br2(g)→2AgBr(s) C: Ag(s)+Br2(l)→AgBr(s) D: Ag(aq)+Br2(g)→AgBr(s)