A、KMnO<sub>4sub> B、KIO<sub>3sub> C、K<sub>2sub>CrO<sub>4sub> D、H<sub>2sub>O<sub>2sub>
A、K<sub>2sub>Cr<sub>2sub>O<sub>7sub> B、HCl C、KIO<sub>3sub> D、Na<sub>2sub>B<sub>4sub>O<sub>7sub>·10H<sub>2sub>O
A、Kθ<sub>1sub>+ 3Kθ<sub>2sub>-Kθ<sub>3sub> B、Kθ<sub>1sub>Kθ<sub>2sub>Kθ<sub>3sub> C、Kθ<sub>1sub>Kθ<sub>2sub>/Kθ<sub>3sub> D、Kθ<sub>1sub>Kθ3<sub>2sub>/Kθ<sub>3sub>
A、Kθ<sub>psub>=K<sub>psub> B、Kθ<sub>psub>=KθK<sub>psub> C、θpKθ<sub>psub>=K<sub>psub> /P6 D、θpKθ<sub>psub>=(Pθ)2K<sub>Psub>
A、k<sub>1sub>[A]-k<sub>2sub>[D][B] B、k<sub>1sub>[A]-k<sub>-1sub>[B]-k<sub>2sub>[D][B] C、k<sub>1sub>[A]-k<sub>-1sub>[B]+k<sub>2sub>[D][B] D、-k<sub>1sub>[A]+k<sub>-1sub>[B]+k<sub>2sub>[D][B]
A、Na<sub>2sub>SO<sub>4sub>>K<sub>3sub>Fe(CN)<sub>6sub>>KNO<sub>3sub>>NaCl B、K<sub>3sub>Fe(CN)<sub>6sub>>Na<sub>2sub>SO<sub>4sub>>NaCl>KNO<sub>3sub> C、K<sub>3sub>Fe(CN)<sub>6sub>>Na<sub>2sub>SO<sub>4sub>>NaCl=KNO<sub>3sub> D、K<sub>3sub>Fe(CN)<sub>6sub>>KNO<sub>3sub>>Na<sub>2sub>SO<sub>4sub>>NaCl
A、K<sub>Psub>不变,平衡时的N<sub>2sub>和H<sub>2sub>的量将增强,而NH<sub>3sub>的量减少 B、K<sub>Psub>不变,平衡时的N<sub>2sub>、H<sub>2sub>、NH<sub>3sub>的量均不变 C、K<sub>Psub>不变,平衡时的N<sub>2sub>和H<sub>2sub>的量将减少,而NH<sub>3sub>的量增加 D、K<sub>Psub>增加,平衡时的N<sub>2sub>和H<sub>2sub>的量将减少,而NH<sub>3sub>的量增加
A、如题68图所示电路,运算放大器为理想运算放大器,已知U<sub>i1sub>=2V,U<sub>i2sub>=4V,R<sub>1sub>= R<sub>5sub>=10kΩ,R<sub>2sub>=20 kΩ,R<sub>3sub>= R<sub>4sub>=5 kΩ。求:
A、如题68图所示电路,运算放大器为理想运算放大器,已知U<sub>i1sub>=2V,U<sub>i2sub>=4V,R<sub>1sub>= R<sub>5sub>=10kΩ,R<sub>2sub>=20 kΩ,R<sub>3sub>= R<sub>4sub>=5 kΩ。求: