A、NaOH B、HCI C、H<sub>2sub>CO<sub>3sub> D、H<sub>2sub>SO<sub>4sub>
A、NaOH B、HCI C、H<sub>2sub>CO<sub>3sub> D、H<sub>2sub>SO<sub>4sub>
A、H<sub>2sub>、O<sub>2sub> B、O<sub>2sub>、HCI C、CI<sub>2sub>、HCI D、O<sub>2sub>、CI<sub>2sub>
A、H<sub>2sub>、O<sub>2sub>、SO<sub>2sub> B、NH<sub>3sub>、O<sub>2sub>、HCI C、H<sub>2sub>、F<sub>2sub>、CO<sub>2sub> D、O<sub>2sub>、CO、NO
A、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub> B、H<sub>1sub>、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A C、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>、H<sub>4sub> D、H<sub>2sub>A、H<sub>2sub>B、H<sub>3sub>A、H<sub>4sub>
A、△H<sub>1sub>+ △H<sub>2sub>+△H<sub>3sub> =△H<sub>4sub> B、△H<sub>1sub>+ △H<sub>2sub> = △H<sub>3sub> +△H<sub>4sub> C、(△H<sub>1sub>+ △H<sub>2sub>)-(△H<sub>3sub> +△H<sub>4sub>)=△H<sub>5sub> D、△H<sub>1sub>+△H<sub>2sub>+△H<sub>3sub>+△H<sub>4sub> =△H<sub>5sub>
A、∆H<sub>3sub>=∆H<sub>1sub>+∆H<sub>2sub> B、∆H<sub>3sub>=∆H<sub>1sub>-∆H<sub>2sub> C、∆H<sub>3sub>=∆H<sub>2sub>-∆H<sub>1sub> D、∆H<sub>3sub>=2∆H<sub>1sub>-∆H<sub>2sub>
A、H<sub>2sub>SO<sub>4sub> B、HCI C、KOH D、Ca( OH )<sub>2sub>
A、CH<sub>3sub>NH<sub>2sub>〉NH<sub>3sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub> B、CH<sub>3sub>NH<sub>2sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>〉NH<sub>3sub> C、C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>〉NH<sub>3sub>〉CH<sub>3sub>NH<sub>2sub> D、NH<sub>3sub>〉CH<sub>3sub>NH<sub>2sub>〉C<sub>6sub>H<sub>5sub>NHCH<sub>3sub>
A、CaCO<sub>3sub>+H<sub>3sub>PO<sub>4sub> B、Ca<sub>5sub>F(PO<sub>4sub>)<sub>3sub>+H<sub>2sub>SO<sub>4sub> C、CaF<sub>2sub>+H<sub>3sub>PO<sub>4sub> D、CaSO<sub>4sub>+H<sub>3sub>PO<sub>4sub>
A、H<sub>3sub>PO<sub>4sub> B、H<sub>3sub>PO<sub>3sub> C、H<sub>3sub>PO<sub>2sub> D、H<sub>4sub>P<sub>2sub>O<sub>7sub> E、(HPO<sub>3sub>)n