华夏人生中的化学你都知道吗?
精华修改于2021/10/011558 浏览故事
今天由我给你们上一节化学课,各位同学请认真听讲
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简单反应
①石灰石高温分解产生生石灰和二氧化碳
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高温
CaCO₃====CaO+CO₂↑
②生石灰加过量水形成熟石灰
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CaO+H₂O====Ca(OH)₂
③工业制铁
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![TapTap](https://img2.tapimg.com/bbcode/etag/Fisc9kjVgucancK2OS6KPUgGNPXr.png?imageMogr2/thumbnail/1080x9999%3E/quality/80/format/jpg/interlace/1/ignore-error/1&t=1)
Fe₂O₃+3CO====2Fe+3CO₂(条件高温)
④锌粒的制取
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与铁的反应类似(其实就是懒得写)
⑥铜的制取
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反应较为复杂,孔雀石的主要成分为铜绿Cu(OH)₂CO₃,与碳接触变成为氧化铜和水和二氧化碳
2CuO+C====2Cu+CO₂↑(条件加热)
复杂反应
⑦玻璃的制取
普通玻璃的主要成分:Na₂SiO₃,CaSiO₃,SiO₂的熔融物
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Na₂CO₃+ SiO2₂==== Na₂SiO₃ + CO₂↑ (条件:高温) CaCO₃ + SiO₂==== CaSiO₃ + CO₂↑ (条件:高温)
⑧硫酸的制取(三氧化硫怎么来的我到现在也不知道)
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SO₃+H₂O====H₂SO₄(条件加热)
必须快速加入水
⑨硫酸铜(初步判断铜箔为氧化铜而不是铜)
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CuO+H₂SO₄====CuSO₄+H₂O
⑩黑🔥药的制取
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S+2KNO₂+3C====K₂S+N₂↑+3CO₂
⒒硝酸的制取
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NaNO₃+ H₂SO₄ ==== NaHSO₄+ HNO₃
⒓硝酸银溶液制取
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3Ag + 4HNO₃(稀) ==3AgNO₃ + NO ↑+ 2H₃O
好了,今天的化学课就到这里了,同学们下课