优优班--学霸训练营 > 题目详情
  • 写出下列反应的热化学方程式.

    \(\rm{⑴16}\) \(\rm{g}\) \(\rm{CH_{4}(}\)\(\rm{g}\)\(\rm{)}\)与适量\(\rm{O_{2}(}\)\(\rm{g}\)\(\rm{)}\)反应生成\(\rm{CO_{2}(}\)\(\rm{g}\)\(\rm{)}\)和\(\rm{H_{2}O(}\)\(\rm{l}\)\(\rm{)}\),放出\(\rm{890.3}\)\(\rm{k}\)\(\rm{J}\)热量______

    \(\rm{⑵}\)在\(\rm{101}\)\(\rm{k}\)\(\rm{P}\)\(\rm{a}\)时,\(\rm{H_{2}}\)在\(\rm{1}\)\(\rm{mol}\) \(\rm{O_{2}}\)中完全燃烧生成\(\rm{2}\)\(\rm{mol}\)液态水,放出\(\rm{571.6}\)\(\rm{k}\)\(\rm{J}\)的热量,写出\(\rm{H_{2}}\)燃烧热的热化学方程式为______

    \(\rm{⑶1.00L}\) \(\rm{1.00}\)\(\rm{mol}\)\(\rm{/L}\)硫酸与\(\rm{2.00L}\) \(\rm{1.00}\)\(\rm{mol}\)\(\rm{/L}\) \(\rm{N}\)\(\rm{a}\)\(\rm{OH}\)溶液完全反应,放出\(\rm{114.6}\)\(\rm{k}\)\(\rm{J}\)的热量,表示其中和热的热化学方程式为______

    \(\rm{(4)}\)已知拆开\(\rm{1}\)\(\rm{mol}\) \(\rm{H-H}\)键,\(\rm{1}\)\(\rm{mol}\) \(\rm{N-H}\)键,\(\rm{1}\)\(\rm{mol}\) \(\rm{N≡N}\)键分别需要的能量是\(\rm{436}\)\(\rm{k}\)J、\(\rm{391}\)\(\rm{k}\)J、\(\rm{946}\)\(\rm{k}\)\(\rm{J}\),则\(\rm{N_{2}(}\)\(\rm{g}\)\(\rm{)}\)与\(\rm{H_{2}(}\)\(\rm{g}\)\(\rm{)}\)反应生成\(\rm{NH_{3}(}\)\(\rm{g}\)\(\rm{)}\)的热化学方程式为______

    \(\rm{(5)}\)已知:\(\rm{①F}\)\(\rm{e}\)\(\rm{{\,\!}_{2}O_{3}(}\)\(\rm{s}\)\(\rm{)+3CO(}\)\(\rm{g}\)\(\rm{)═2F}\)\(\rm{e}\)\(\rm{(}\)\(\rm{s}\)\(\rm{)+3CO_{2}(}\)\(\rm{g}\)\(\rm{)\triangle H_{1}=-25}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\)

    \(\rm{②3F}\)\(\rm{e}\)\(\rm{{\,\!}_{2}O_{3}(}\)\(\rm{s}\)\(\rm{)+CO(}\)\(\rm{g}\)\(\rm{)═2F}\)\(\rm{e}\)\(\rm{{\,\!}_{3}O_{4}(}\)\(\rm{s}\)\(\rm{)+CO_{2}(}\)\(\rm{g}\)\(\rm{)\triangle H_{2}=-47}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\)

    \(\rm{③F}\)\(\rm{e}\)\(\rm{{\,\!}_{3}O_{4}(}\)\(\rm{s}\)\(\rm{)+CO(}\)\(\rm{g}\)\(\rm{)═3F}\)\(\rm{e}\)\(\rm{O(}\)\(\rm{s}\)\(\rm{)+CO_{2}(}\)\(\rm{g}\)\(\rm{)\triangle H_{3}=+19}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\)

    请写出\(\rm{CO}\)还原\(\rm{F}\)\(\rm{e}\)\(\rm{O}\)的热化学方程式:______

    \(\rm{(6)}\)在\(\rm{101}\)\(\rm{k}\)\(\rm{P}\)\(\rm{a}\)下,\(\rm{CH_{4}(}\)\(\rm{g}\)\(\rm{)}\)、\(\rm{H_{2}(}\)\(\rm{g}\)\(\rm{)}\)、\(\rm{C(}\)\(\rm{s}\)\(\rm{)}\)的燃烧热分别为\(\rm{890.3}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\)、\(\rm{285.8}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\)和\(\rm{393.5}\)\(\rm{k}\)\(\rm{J/}\)\(\rm{mol}\),则\(\rm{CH_{4}(}\)\(\rm{g}\)\(\rm{)}\)分解为\(\rm{H_{2}(}\)\(\rm{g}\)\(\rm{)}\)、\(\rm{C(}\)\(\rm{s}\)\(\rm{)}\)的热化学方程式______.

    【考点】热化学方程式,中和热,燃烧热,用盖斯定律及有关计算
    【分析】请登陆后查看
    【解答】请登陆后查看
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