反应2HgO(s)=2Hg(g)+O<sub>2</sub>(g) 在101 325Pa、分解温度时的分压p(Hg)等于:()
A、101.325kPa
B、(101.325 /2)kPa
C、(101.325 /3)kPa
D、(2/3)×101.325kPa
A、101.325kPa
B、(101.325 /2)kPa
C、(101.325 /3)kPa
D、(2/3)×101.325kPa
A、Cd<sup>2+sup>+2e→Cd B、PbSO<sub>4sub>(s)+2e→Pb+SO<sub>4sub><sup>2-sup> C、Hg<sub>2sub>SO<sub>4sub>(s)+2e→2Hg(l)+SO<sub>4sub><sup>2-sup> D、Hg<sub>2sub>Cl<sub>2sub>(s)+2e→2Hg(l)+2Cl<sup>-sup>
A、Ag<sub>2sub>O(s) = 2Ag(s) + 1/2O<sub>2sub>(g) B、N<sub>2sub>O<sub>4sub>(g) = 2NO<sub>2sub>(g) C、Fe<sub>2sub>O<sub>3sub>(s) +3/2C(s) = 2Fe(s) +1/2CO<sub>2sub>(g) D、6C(s) + 6H<sub>2sub>O(g) = C<sub>6sub>H<sub>12sub>O<sub>6sub>(s)
A、CaCO<sub>3sub>(s)=CaO(s)+CO<sub>2sub>(g) B、N<sub>2sub>O<sub>4sub>(g)=2NO<sub>2sub>(g) C、2ZnS(s)+3O<sub>2sub>(g)=2ZnO(s)+2SO<sub>2sub>(g) D、CO(g)+H<sub>2sub>O(g)=CO<sub>2sub>(g)+H<sub>2sub>(g)
A、442.2kJ/mol B、260.7kJ/mol C、-62.3kJ/mol D、-442.2kJ/mol