{
  "doc-6fa0ffc837132d73ca1fce4e45e740a8": {
    "content": "氧化铁和硝酸的反应方程式1\n$$FeO + 4HNO_{3} triangleq Feleft( No_{3} right)_{3} + 2H_{2} uparrow + NO_{2} uparrow$$\n氢气与氧气燃烧的方程式\n 2H_{ 2 }  +O_{ 2 }  =2H_{ 2 }  O"
  }
}