CaCO<sub>3</sub>(s),CaO(s),BaCO<sub>3</sub>(s),BaO(s)及CO<sub>2</sub>(g)构成的一个平衡物系,其组分数为:()
A、2
B、3
C、4
D、5
A、2
B、3
C、4
D、5
A、增加CaCO<sub>3sub>的量 B、降低CO<sub>2sub>的压力,减少CaO的量 C、降低CO<sub>2sub>的压力和温度 D、升高温度,降低CO<sub>2sub>的压力
A、CaCO<sub>3sub> B、Mg(OH)<sub>2sub> C、CaCO<sub>3sub>和Mg(OH)
A、CaSO<sub>4sub>、CaCO<sub>3sub> B、BaSO<sub>4sub>、Agcl C、NaOH、Ca(OH)<sub>2sub> D、NaOH、CaCO<sub>3sub>
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、Ca(OH)<sub>2sub>和CaCO<sub>3sub> B、CaO和CaCO<sub>3sub> C、CaO和Ca(OH)<sub>2sub> D、Ca(OH)<sub>2sub>和CaO
A、Ca(OH)<sub>2sub>晶体 B、Ca(OH)<sub>2sub>晶体与CaCO<sub>3sub>晶体 C、CaCO<sub>2sub>晶体
A、CaCO<sub>3sub>CaO+CO<sub>2sub>↑ B、CO<sub>2sub>+CaOH<sub>2sub>=CaCO<sub>3sub>↓+H<sub>2sub>O C、CaO+H<sub>2sub>O=CaOH<sub>2sub>
A、在900℃时CaCO<sub>3sub>(s)→CaO(S)+CO<sub>2sub>(g) B、在0℃、常压下水结成冰 C、理想气体的恒温膨胀 D、水在其正常沸点气化
A、C<sub>3sub>S、C<sub>2sub>S、C<sub>3sub>A、C<sub>4sub>AF B、C<sub>3sub>S、C<sub>2sub>S、C<sub>3sub>A、C<sub>11sub>AF<sub>7sub> C、C<sub>3sub>S、C<sub>2sub>S、C<sub>3sub>A、C<sub>4sub>F
A、S<sub>0sub>>S<sub>1sub>>S<sub>2sub>>S<sub>3sub> B、S<sub>0sub>>S<sub>2sub>>S<sub>1sub>>S<sub>3sub> C、S<sub>0sub>>S<sub>1sub>=S<sub>2sub>>S<sub>3sub> D、S<sub>0sub>>S<sub>2sub>>S<sub>3sub>>S<sub>1sub>