2．
化学反应过程中发生物质变化的同时，常常伴有能量的变化\(\rm{.}\)这种能量的变化常以热量的形式表现出来，叫做反应热\(\rm{.}\)由于反应的情况不同，反应热可以分为许多种，如燃烧热和中和热等．
\(\rm{(1)}\)下列\(\rm{\triangle H}\)表示物质燃烧热的是 __________；表示物质中和热的是 ________\(\rm{(}\)填“\(\rm{\triangle H_{1}}\)”、“\(\rm{\triangle H_{2}}\)”、“\(\rm{\triangle H_{3}}\)”等\(\rm{)}\)．
A.\(\rm{2H_{2}( }\)
\(\rm{g}\)\(\rm{)+O_{2}(}\)
\(\rm{g}\)\(\rm{)═2H_{2}O(}\)
\(\rm{l}\)\(\rm{)\triangle H_{1}}\) \(\rm{B.C( }\)
\(\rm{s}\)\(\rm{)+1/2O_{2}(}\)
\(\rm{g}\)\(\rm{)═CO(}\)
\(\rm{g}\)\(\rm{)\triangle H_{2}}\)
C.\(\rm{CH_{4}( }\)
\(\rm{g}\)\(\rm{)+2O_{2}(}\)
\(\rm{g}\)\(\rm{)═CO_{2}(}\)
\(\rm{g}\)\(\rm{)+2H_{2}O(}\)
\(\rm{g}\)\(\rm{)\triangle H_{3}}\) \(\rm{D.C( }\)
\(\rm{s}\)\(\rm{)+O_{2}(}\)
\(\rm{g}\)\(\rm{)═CO_{2}(}\)
\(\rm{g}\)\(\rm{)\triangle H_{4}}\)
E.\(\rm{C_{6}H_{12}O_{6}( }\)
\(\rm{s}\)\(\rm{)+6O_{2}(}\)
\(\rm{g}\)\(\rm{)═6CO_{2}(}\)
\(\rm{g}\)\(\rm{)+6H_{2}O(}\)
\(\rm{l}\)\(\rm{)\triangle H_{5}}\)
F.\(\rm{N}\)
\(\rm{a}\)\(\rm{OH( }\)
\(\rm{aq}\)\(\rm{)+HC}\)
\(\rm{l}\)\(\rm{( }\)
\(\rm{aq}\)\(\rm{)═N}\)
\(\rm{a}\)\(\rm{C}\)
\(\rm{l}\)\(\rm{( }\)
\(\rm{aq}\)\(\rm{)+H_{2}O(}\)
\(\rm{l}\)\(\rm{)\triangle H_{6}}\)
G.\(\rm{2N}\)
\(\rm{a}\)\(\rm{OH( }\)
\(\rm{aq}\)\(\rm{)+H_{2}SO_{4}(}\)
\(\rm{aq}\)\(\rm{)═N}\)
\(\rm{a}\)\(\rm{{\,\!}_{2}SO_{4}( }\)
\(\rm{aq}\)\(\rm{)+2H_{2}O(}\)
\(\rm{l}\)\(\rm{)\triangle H_{7}}\)
H.\(\rm{CH_{3}COOH( }\)
\(\rm{aq}\)\(\rm{)+N}\)
\(\rm{a}\)\(\rm{OH( }\)
\(\rm{aq}\)\(\rm{)═CH_{3}COON}\)
\(\rm{a}\)\(\rm{( }\)
\(\rm{aq}\)\(\rm{)+H_{2}O(}\)
\(\rm{l}\)\(\rm{)\triangle H_{8}}\)
\(\rm{(2)2.00}\)
\(\rm{g}\) \(\rm{C_{2}H_{2}}\)气体完全燃烧生成液态水和\(\rm{CO_{2}}\)气体，放出\(\rm{99.6}\)
\(\rm{k}\)\(\rm{J}\)的热量，写出该反应的热化学方程式 _________________________________________________________．
\(\rm{(3)}\)充分燃烧一定量的丁烷放出的热量大小为\(\rm{Q}\)，生成的\(\rm{CO_{2}}\)恰好与\(\rm{100}\)
\(\rm{m}\)\(\rm{L}\)浓度为\(\rm{5}\)
\(\rm{mol}\)\(\rm{⋅L^{-1}}\)的\(\rm{KOH}\)溶液完全反应生成一种正盐\(\rm{.}\)则燃烧\(\rm{1}\)
\(\rm{mol}\)丁烷放出的热量为________．