燃烧
<b>定义</b>
<b>是可燃物与氧气发生的一种<br>发光，放热的剧烈的氧化反应</b><br>
<b>条件</b>
<b>有可燃物</b>
<b>与氧气接触</b>
<b>温度达到可燃物着火点</b>
燃料
<b>化石燃料</b>
<b>煤、石油、天然气（主要为甲烷<span class="equation-text" data-index="0" data-equation="CH_4" contenteditable="false"><span></span><span></span></span>），会造成污染，是不可再生能源</b>
<b>乙醇（<span class="equation-text" data-index="0" data-equation="C_2H_5OH" contenteditable="false"><span></span><span></span></span>俗称酒精）</b>
<span class="equation-text" data-index="0" data-equation="C_2H_5OH+3O_2 = 2CO_2+3H_2O" contenteditable="false"><span></span><span></span></span><b>（点燃）</b>
<b>氢气（</b><span class="equation-text" data-index="0" data-equation="H_2" contenteditable="false"><span></span><span></span></span><b>）</b>
<b>最理想的清洁能源：燃烧只生成水，无污染</b>
<span class="equation-text" data-index="0" data-equation="2H_2+O_2=2H_2O" contenteditable="false"><b></b></span>
