【单选题】电池Ag(s)|Ag + (aq)||Cl –(aq)|AgCl(s)|Ag(s)发生的电池反应为 A. Ag + +Cl - → AgCl(s) B. 2AgCl(s) → 2Ag(s)+ Cl 2 (g) C. AgCl(s) → Ag + + Cl - D. 2Ag(s)+Cl 2 (g) → 2AgCl(s)
【单选题】电池Ag(s)|Ag + (aq)||Cl –(aq)|AgCl(s)|Ag(s)发生的电池反应为 A. Ag + +Cl - → AgCl(s) B. 2AgCl(s) → 2Ag(s)+ Cl 2 (g) C. AgCl(s) → Ag + + Cl - D. 2Ag(s)+Cl 2 (g) → 2AgCl(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)
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)
下列方程式中,能正确表示AgBr(s)的△fHm⊖的是 A: Ag(s)+1/2Br 2 (g)→ AgBr(s) B: Ag(s)+1/2Br 2 (l)→AgBr(s) C: 2Ag(s)+Br 2 (l)→ 2AgBr(s) D: Ag + (aq)+Br-(aq)→ AgBr(s)
下列方程式中,能正确表示AgBr(s)的△fHm⊖的是 A: Ag(s)+1/2Br 2 (g)→ AgBr(s) B: Ag(s)+1/2Br 2 (l)→AgBr(s) C: 2Ag(s)+Br 2 (l)→ 2AgBr(s) D: Ag + (aq)+Br-(aq)→ AgBr(s)
下列反应中哪个是表示ΔH=ΔfHmθ(AgBr , s)的反应( ) A: Ag(aq) + Br(aq) =AgBr(s) B: 2Ag(s) + Br2(g) =2AgBr(s) C: Ag(s) + Br2(l) =1/2 AgBr(s) D: Ag(s) + 1/2 Br2(l) =AgBr(s)
下列反应中哪个是表示ΔH=ΔfHmθ(AgBr , s)的反应( ) A: Ag(aq) + Br(aq) =AgBr(s) B: 2Ag(s) + Br2(g) =2AgBr(s) C: Ag(s) + Br2(l) =1/2 AgBr(s) D: Ag(s) + 1/2 Br2(l) =AgBr(s)
电池(1) Ag(s) | AgCl(s) | KCl (aq) | Cl2 | Pt(s) ,电池(2) Ag(s) | AgNO3(aq) || KCl (aq) | AgCl (s) | Ag(s)的电池电动势E1、E2都与Cl-浓度无关。
电池(1) Ag(s) | AgCl(s) | KCl (aq) | Cl2 | Pt(s) ,电池(2) Ag(s) | AgNO3(aq) || KCl (aq) | AgCl (s) | Ag(s)的电池电动势E1、E2都与Cl-浓度无关。
Ag[sub]2[/]CrO[sub]4[/]与AgSCN的溶度积常数几乎相同,比较溶解度S,正确的为()。 A: S(AgSCN)=S(Ag<sub>2</sub>CrO<sub>4</sub>) B: S(AgSCN)>(Ag<sub>2</sub>CrO<sub>4</sub>) C: S(AgSCN)<S(Ag<sub>2</sub>CrO<sub>4</sub>) D: 2S(AgSCN)=S(Ag<sub>2</sub>CrO<sub>4</sub>)
Ag[sub]2[/]CrO[sub]4[/]与AgSCN的溶度积常数几乎相同,比较溶解度S,正确的为()。 A: S(AgSCN)=S(Ag<sub>2</sub>CrO<sub>4</sub>) B: S(AgSCN)>(Ag<sub>2</sub>CrO<sub>4</sub>) C: S(AgSCN)<S(Ag<sub>2</sub>CrO<sub>4</sub>) D: 2S(AgSCN)=S(Ag<sub>2</sub>CrO<sub>4</sub>)
在298K时,下列反应的△r H mθ 等于AgBr(s) △fHmθ 的为:() A: Ag +(aq) + Br- (aq) = AgBr (s) B: 2Ag(s) + Br2(l) = 2 AgBr (s) C: Ag(s) + ½ Br2(g) = AgBr (s) D: Ag(s) + ½ Br2(l) = AgBr (s)
在298K时,下列反应的△r H mθ 等于AgBr(s) △fHmθ 的为:() A: Ag +(aq) + Br- (aq) = AgBr (s) B: 2Ag(s) + Br2(l) = 2 AgBr (s) C: Ag(s) + ½ Br2(g) = AgBr (s) D: Ag(s) + ½ Br2(l) = AgBr (s)
可以直接用来求Ag2SO4的溶度积的电池是 A: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag B: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s)|Pb(s) C: Ag(s)|Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s)|Ag(s) D: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s)|Ag(s)
可以直接用来求Ag2SO4的溶度积的电池是 A: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag B: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s)|Pb(s) C: Ag(s)|Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s)|Ag(s) D: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s)|Ag(s)
可以直接用来求Ag2SO4的溶度积的电池是:( ) A: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag B: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s),Pb(s) C: Ag(s),Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s),Ag(s) D: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s),Ag(s)
可以直接用来求Ag2SO4的溶度积的电池是:( ) A: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag B: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s),Pb(s) C: Ag(s),Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s),Ag(s) D: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s),Ag(s)
可以直接用来求Ag2SO4的溶度积的电池是( ) A: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s)|Ag(s) B: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag C: Ag(s)|Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s)|Ag(s) D: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s)|Pb(s)
可以直接用来求Ag2SO4的溶度积的电池是( ) A: Ag|AgNO3(a)||H2SO4(a)|Ag2SO4(s)|Ag(s) B: Pt|H2(p)|H2SO4(a)| Ag2SO4(s)|Ag C: Ag(s)|Ag2SO4(s)|K2SO4(a)||HCl(a)|AgCl(s)|Ag(s) D: Ag|AgNO3(a)||K2SO4(a)|PbSO4(s)|Pb(s)