\(\rm{3 CO(g)+Fe_{2}O_{3}(s)=3CO_{2}(g)+2Fe(s)}\)   \(\rm{\triangle H_{5}}\)

下列关于上述反应焓变的判断正确的是

已知下列反应：\(\rm{S{O}_{2}(g)+2O{H}^{−}(aq)=SO_{3}^{2−}(aq)+{H}_{2}O(l) }\)  \(\rm{ΔH_{1}}\)，\(\rm{Cl{O}^{−}(aq)+SO_{3}^{2−}(aq)=SO_{4}^{2−}(aq)+C{l}^{−}(aq) }\)  \(\rm{ΔH_{2}}\)，\(\rm{CaS{O}_{4}(s)=C{a}^{2+} }\) \(\rm{(aq)+SO_{4}^{2−}(aq) }\) \(\rm{ΔH_{3\;\;\;\;,}}\)则反应\(\rm{SO}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)+Ca}\)\(\rm{{\,\!}^{2+}}\)\(\rm{(aq)+ClO}\)\(\rm{{\,\!}^{-}}\)\(\rm{(aq)+2OH}\)\(\rm{{\,\!}^{-}}\)\(\rm{(aq)═CaSO}\)\(\rm{{\,\!}_{4}}\)\(\rm{(s)+H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(l)+Cl}\)\(\rm{{\,\!}^{-}}\)\(\rm{(aq)}\)的\(\rm{ΔH=}\)______________。

通过以下反应可获得新型能源二甲醚\(\rm{(CH_{3}OCH_{3} )}\)。下列说法不正确的是

\(\rm{①C(s) + H_{2}O(g)=CO(g) + H_{2} (g)}\)                  \(\rm{ΔH_{1} = a kJ·mol^{-1}}\)

\(\rm{②CO(g) + H_{2}O(g)=CO_{2}(g) + H_{2} (g)}\)            \(\rm{ΔH_{2} = b kJ·mol^{-1}}\)

\(\rm{③CO_{2} (g) + 3H_{2} (g)=CH_{3}OH(g) + H_{2}O(g)}\)   \(\rm{ΔH_{3} = c kJ·mol^{-1}}\)

\(\rm{④2CH_{3}OH(g)=CH_{3}OCH_{3} (g) + H_{2}O(g)}\)        \(\rm{ΔH_{4} = d kJ·mol^{-1}}\)

通过以下反应均可获取\(\rm{H_{2}}\)。下列有关说法正确的是\(\rm{(}\)　　\(\rm{)}\)

\(\rm{①}\)太阳光催化分解水制氢：\(\rm{2H_{2}O(l)=2H_{2}(g)+O_{2}(g)ΔH_{1}=+571.6 kJ·mol^{-1}}\)

\(\rm{②}\)焦炭与水反应制氢：\(\rm{C(s)+H_{2}O(g)=CO(g)+H_{2}(g)ΔH_{2}=+131.3 kJ·mol^{-1}}\)

\(\rm{③}\)甲烷与水反应制氢：\(\rm{CH_{4}(g)+H_{2}O(g)=CO(g)+3H_{2}(g)ΔH_{3}=+206.1 kJ·mol^{-1}}\)

如图，在\(\rm{101 kPa}\)时，\(\rm{ΔH_{1}=-393.5 kJ·mol^{-1}}\)，\(\rm{ΔH_{2}=-395.4 kJ·mol^{-1}}\)，下列说法正确的是

\(\rm{1}\)，\(\rm{3-}\)丁二烯和\(\rm{2-}\)丁炔分别与氢气反应的热化学方程式如下：

\(\rm{CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{=CH-CH=CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)→CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{(g)}\)   \(\rm{ΔH= -236.6 x kJ·mol}\)\(\rm{{\,\!}^{-1}}\)

\(\rm{CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{-C≡C-CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{(g)+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)→CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{CH}\)\(\rm{{\,\!}_{2}}\)\(\rm{CH}\)\(\rm{{\,\!}_{3}}\)\(\rm{(g)}\)    \(\rm{ΔH= -272.7 x kJ·mol}\)\(\rm{{\,\!}^{-1}}\)

由此不能判断  \(\rm{(}\)     \(\rm{)}\)

通过以下反应均可获取\(\rm{H_{2}}\)。下列有关说法正确的是 \(\rm{(}\)    \(\rm{)}\)

\(\rm{①}\)太阳光催化分解水制氢：\(\rm{2H_{2}O(l)}\)\(\rm{2H_{2}(g)+O_{2}(g)}\)  \(\rm{ΔH_{1}=+571.6 kJ·mol^{-1}}\)

\(\rm{②}\)焦炭与水反应制氢：\(\rm{C(s)+H_{2}O(g)}\)\(\rm{CO(g)+H_{2}(g)}\)  \(\rm{ΔH_{2}=+131.3 kJ·mol^{-1}}\)

\(\rm{③}\)甲烷与水反应制氢：\(\rm{CH_{4}(g)+H_{2}O(g)}\)\(\rm{CO(g)+3H_{2}(g)}\)  \(\rm{ΔH_{3}=+206.1 kJ·mol^{-1}}\)

在\(\rm{1200℃}\)时，天然气脱硫工艺中会发生下列反应：

\(\rm{H}\)\(\rm{{\,\!}_{2}}\)\(\rm{S(g)+}\)\(\rm{ \dfrac{3}{2} }\)\(\rm{O}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═SO}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)+H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(g)\triangle H}\)\(\rm{{\,\!}_{1}}\)

\(\rm{2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{S(g)+SO}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═}\)\(\rm{ \dfrac{3}{2} }\)\(\rm{S}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)+2H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(g)\triangle H}\)\(\rm{{\,\!}_{2}}\)

\(\rm{H}\)\(\rm{{\,\!}_{2}}\)\(\rm{S(g)+}\)\(\rm{ \dfrac{1}{2} }\)\(\rm{O}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)═S(g)+H}\)\(\rm{{\,\!}_{2}}\)\(\rm{O(g)\triangle H}\)\(\rm{{\,\!}_{3}}\)

\(\rm{2S(g)═S}\)\(\rm{{\,\!}_{2}}\)\(\rm{(g)\triangle H}\)\(\rm{{\,\!}_{4}}\)

则\(\rm{\triangle H}\)\(\rm{{\,\!}_{4}}\)的正确表达式为\(\rm{(}\)　　\(\rm{)}\)