\(\rm{(1)}\)已知：\(\rm{①CH_{3}OH(g)+H_{2}O(g)═CO_{2}(g)+3H_{2}(g)\triangle H=+49.0kJ/mol}\)
\(\rm{②CH_{3}OH(g)+ \dfrac {3}{2}O_{2}(g)═CO_{2}(g)+2H_{2}O(g)\triangle H=-192.9kJ/mol}\)
由上述方程式可知：\(\rm{CH_{3}OH}\)的燃烧热 ______ \(\rm{(}\)填“大于”“等于”或“小于”\(\rm{)192.9kJ/mol.}\)已知水的气化热为\(\rm{44kJ/mol.}\)则表示氢气燃烧热的热化学方程式为 ______
\(\rm{(2)}\)以\(\rm{CO_{2}}\)与\(\rm{NH_{3}}\)为原料可合成化肥尿素\(\rm{[}\)化学式为\(\rm{CO(NH_{2})_{2}]}\)
已知：\(\rm{①2NH_{3}(g)+CO_{2}(g)═NH_{2}CO_{2}NH_{4}(s)\triangle H=-159.5kJ/mol}\)
\(\rm{②NH_{2}CO_{2}NH_{4}(s)═CO(NH_{2})_{2}(s)+H_{2}O(g)\triangle H=+116.5kJ/mol}\)
\(\rm{③H_{2}O(l)═H_{2}O(g)\triangle H=+44.0kJ/mol}\)
写出\(\rm{CO_{2}}\)与\(\rm{NH_{3}}\)合成尿素和液态水的热化学反应方程 ______
\(\rm{(3)}\)已知：\(\rm{①Fe(s)+ \dfrac {1}{2}O_{2}(g)═FeO(s)\triangle H_{1}=-272.0kJ/mol}\)
\(\rm{②2Al(s)+ \dfrac {3}{2}O_{2}(g)═Al_{2}O_{3}(s)\triangle H_{2}=-1675.7kJ/mol}\)
某同学认为，铝热反应可用于工业炼铁，你的判断是 ______ \(\rm{(}\)填“能”或“不能”\(\rm{)}\)，你的理由 ______ ．