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初三化学方程式总结及现象(精品)

初三化学方程式总结及现象(精品)

CHUSANHUAXUEFANGCHENGSHIANYUANSUGUILEIZONGJIE

棋牌游戏BIANZHEYU:ZHEIGEZONGJIEDEZHUYAOMUDESHIBANGZHUNIYINGDUICHUSANHUAXUEDETUIDUANTI,YEJIUSHISUOWEIDEKUANGTUTIDE。DANGNIZAIZUOKUANGTUTIDESHIHOUYINGGAIKANDAOMOUYIWUZHISHINENGLIKELIANXIANGDAOGENTAXIANGGUANDESUOYOUFANYING,YIJIFANYINGXIANXIANGLAI,CONGZHONGTIAOXUANCHUFUHETIMUDEFANYING,JINERYIBUBUJIETI。XIWANGZHEIGEXIAOZONGJIENENGGOUWEINIDEHUAXUEXUEXIDAILAIYIDIANBANGZHU,NEIBIANZHEYEJIUMANZULE。YINWEISHIANYUANSULAIFENLEI,YIXIEFANYINGYOUZHONGFU,WANGJIANLIANG。

YUYANGYOUGUANDEHUAXUEFANGCHENGSHI:

2Mg+O2DIANRAN====2MgO XIANXIANG:RANSHAO、FANGCHUDALIANGDERE、TONGSHIFANGCHUYAOYANDEBAIGUANG

棋牌游戏S+O2 DIANRAN====SO2 XIANXIANG:KONGQIZHONGSHIDANLANSEDEHUOYAN;CHUNYANGZHONGSHILANZISEDEHUOYAN;TONGSHISHENGCHENGYOUCIJIXINGQIWEIDEQITI。

C+O2DIANRAN====CO2 XIANXIANG:SHENGCHENGNENGGOURANGCHUNJINGDESHIHUISHUIHUNZHUODEQITI

2C+O2DIANRAN====2CO XIANXIANG:RANSHAOXIANXIANGWAI,QITAXIANXIANGBUMINGXIAN

4P+5O2DIANRAN====2P2O5 XIANXIANG::SHENGCHENGBAIYAN

3Fe+2O2DIANRAN====Fe3O4 XIANXIANG:JULIERANSHAO、HUOXINGSISHE、SHENGCHENGHEISEDEGUTI

棋牌游戏2H2+O2DIANRAN====2H2O XIANXIANG:DANLANSEDEHUOYAN

2H2O2MnO2====2H2O+O2↑ XIANXIANG:RONGYELIMAOCHUDALIANGDEQIPAO

2HgO△====2Hg+O2↑ XIANXIANG:SHENGCHENGYINBAISEDEYETIJINSHU

棋牌游戏2KClO3MnO2====2KCl+3O2↑ XIANXIANG:SHENGCHENGNENGRANGDAIHUOXINGDEMUTIAOFURANDEQITI

2KMnO4△====K2MnO4+MnO2+O2↑ XIANXIANG:TONGSHANG,

棋牌游戏—————————————————FENGEXIAN————————————————

GENQINGYOUGUANDEHUAXUEFANGCHENGSHI:

2H2+O2DIANRAN====2H2O XIANXIANG:DANLANSEDEHUOYAN

棋牌游戏Zn+H2SO4==ZnSO4+H2↑ XIANXIANG:YOUKERANSHAODEQITISHENGCHENG

Mg+H2SO4==MgSO4+H2↑XIANXIANG:TONGSHANG

Fe+H2SO4 ==FeSO4+H2↑XIANXIANG:BIANCHENGQIANLVSEDERONGYE,TONGSHIFANGCHUQITI

棋牌游戏2Al+3H2SO4 ==Al2(SO4)3+3H2↑ XIANXIANG:YOUQITISHENGCHENG

Zn+2HCl==ZnCl2+H2↑ XIANXIANG:TONGSHANG

Mg+2HCl==MgCl2+H2↑XIANXIANG:TONGSHANG

Fe+2HCl==FeCl2+H2↑ XIANXIANG:RONGYEBIANCHENGQIANLVSE,TONGSHIFANGCHUQITI

2Al+6HCl==2AlCl3+3H2↑ XIANXIANG:YOUQITISHENGCHENG

H2+CuO====Cu+H2O XIANXIANG:YOUHEISEDEGUTIBIANCHENGHONGSEDE,TONGSHIYOUSHUIZHUSHENGCHENG

GAOWEN

棋牌游戏2Fe2O3+3H2 =====2Fe+3H2O XIANXIANG:YOUSHUIZHUSHENGCHENG,GUTIYANSEYOUHONGSEBIANCHENGYINBAISE

————————————————FENGEXIAN——————————————————

棋牌游戏GENTANYOUGUANDEHUAXUEFANGCHENGSHI:

棋牌游戏C+O2DIANRAN====CO2(YANGQICHONGZUDEQINGKUANGXIA) XIANXIANG:SHENGCHENGNENGRANGCHUNJINGDESHIHUISHUIBIANHUNZHUODEQITI 2C+O2DIANRAN====2CO(YANGQIBUCHONGZUDEQINGKUANGXIA) XIANXIANG:BUMINGXIAN

GAOWEN

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