1.
写出下列反应的热化学方程式。
\(\rm{(1) 16gCH_{4}(g)}\)与适量\(\rm{O_{2}(g)}\)反应生成\(\rm{CO_{2}(g)}\)和\(\rm{H_{2}O(l)}\),放出\(\rm{890.3 kJ}\)热量_______________________________________________________
\(\rm{(2)}\)在 \(\rm{25 ℃}\)、\(\rm{101kPa}\)时,\(\rm{H_{2}}\)在\(\rm{1 molO_{2}}\)中完全燃烧生成\(\rm{2 mol}\)液态水,放出\(\rm{571.6 kJ}\)的热量,写出\(\rm{H_{2}}\)燃烧热的热化学方程式为
\(\rm{(3) 1.00 L 1.00 mol/L}\)硫酸与 \(\rm{2.00L1.00 mol/LNaOH}\)溶液完全反应,放出\(\rm{114.6 kJ}\)的热量,表示其中和热的热化学方程式为
\(\rm{(4)}\)已知:\(\rm{①Fe_{2}O_{3}(s)+3CO(g)== 2Fe(s)+3CO_{2}(g)}\) \(\rm{Δ}\)\(\rm{H_{1}}\)\(\rm{=-25 kJ / mol}\)
\(\rm{②3Fe_{2}O_{3}(s)+CO(g)==2Fe_{3}O_{4}(s)+CO_{2}(g)}\) \(\rm{Δ}\)\(\rm{H_{2}}\)\(\rm{=-47 kJ / mol}\)
\(\rm{③Fe_{3}O_{4}(s)+CO(g)}\) \(\rm{==3FeO(s)+CO_{2}(g)}\) \(\rm{Δ}\)\(\rm{H_{3}}\)\(\rm{=+19 kJ / mol}\)
请写出\(\rm{CO}\)还原\(\rm{FeO}\)的热化学方程式:
\(\rm{(5)}\)在 \(\rm{25 ℃}\)、\(\rm{101kPa}\)时,\(\rm{CH_{4}(g)}\)、\(\rm{H_{2}(g)}\)、\(\rm{C(s)}\)的燃烧热分别为\(\rm{890.3 kJ/mol}\)、\(\rm{285.8 kJ/mol}\)和\(\rm{393.5 kJ/mol}\),则反应\(\rm{C(s)+2H_{2}(g)=CH_{4}(g)}\)的反应热\(\rm{ΔH=}\) 。
\(\rm{(6)}\)已知:\(\rm{2H_{2}(g)+O_{2}(g)== 2H_{2}O(g)}\) \(\rm{Δ}\)\(\rm{H}\)\(\rm{{\,\!}_{1\;\;\;\;\;\;\;\;\;\;\;\;\;\;\;}}\)
\(\rm{{\,\!}2H_{2}(g)+O_{2}(g)== 2H_{2}O(l)}\) \(\rm{Δ}\)\(\rm{H}\)\(\rm{{\,\!}_{2}}\)
\(\rm{2CO(g)+O_{2}(g) ==2CO_{2}(g)}\) \(\rm{Δ}\)\(\rm{H}\)\(\rm{{\,\!}_{3}}\)
\(\rm{①}\)液态水转化气态水的热化学方程式为
\(\rm{②CO}\)和\(\rm{H_{2}}\)分别燃烧生成\(\rm{CO_{2}(g)}\)和\(\rm{H_{2}O(g)}\),欲得到相同热量,所需\(\rm{CO}\)和\(\rm{H_{2}}\)的体积比是