2-2 利用附录Ⅲ的数据,计算下列反应的 Delta (H)_(m)-|||-(1) _(3)(O)_(4)(s)+4(H)_(2)(g)arrow 3Fe(s)+4(H)_(2)O(g)-|||-(2) (s)+C(O)_(2)(g)arrow (Na)_(2)C(O)_(3)(s)+(H)_(2)O(l)-|||-(3) (H)_(3)(g)+5(O)_(2)(g)arrow 4NO(g)+6(H)_(2)O(g)-|||-(4) (H)_(3)COOH(l)+2(O)_(2)(g)arrow 2C(O)_(2)(g)+2(H)_(2)O(l) O(1)

已知298 K时反应：3 ( Fe(s)) + 4 ( H)_2(O(g)) = (Fe)_3(O)_4((s)) + 4 ( H)_2((g))Delta_(

山风-|||-10.查阅附录3的数据,试计算下列反应的 (Delta )_(1)(H)_(m)(298.15k)-|||-(1) (H)_(3)(g)+3(O)

(H)_(2)(g)+(O)_(2)(g)=!=!= 2(H)_(2)O(l) Delta (H)_(3)=-572kJcdot mo(l)^-1-|||-_

3.23化学反应如下:-|||-(H)_(4)(g)+C(O)_(2)(g)=!=!= 2CO(g)+2(H)_(2)(g)-|||-(1)利用附录中各物质的

[单选题]有反应：Fe2O3（s）+3H2（g）2Fe（s）+3H2O（l），此反应的标准平衡常数表达式应是：（）A . AB . BC . CD . D

4-13 273K时,反应-|||-(Cl)_(2)cdot 6(H)_(2)O(s)leftharpoons (S)_(r)(Cl)_(2)cdot 2(H)

(1)在硫酸工业中,通过下列反应使SO 2氧化成-|||-S _(3):2S(O)_(2)(g)+(O)_(2)(g)leftharpoons 2S(O)_(3

26.在600K,100 kPa压力下,生石膏的脱水反应为-|||-(O)_(4)cdot 2(H)_(2)O(s)arrow CaS(O)_(4)(s)+2(

26.在600K,100 kPa压力下,生石膏的脱水反应为-|||-(O)_(4)cdot 2(H)_(2)O(s)arrow CaS(O)_(4)(s)+2(

3.40化学反应如下:-|||-(H)_(4)(g)+C(O)_(2)(g)=!=!= 2CO(g)+2(H)_(2)(g)-|||-(1)利用附录中各物质的S