【初三化学方程式配平】详情请看图。从石油中得到的液化石油气的主要成分是丙烷（C3H8）、丁烷（C4H10） 初三化学方程式配平所有方法及窍门！
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3C+2Fe2O3=4Fe+3CO2
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3C+2Fe2O34Fe+3CO2\u2191
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(1)\u6700\u5c0f\u516c\u500d\u6570\u6cd5\u2500\u2500\u5947\u5076\u6cd5
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\u2461\u6c42\u51fa\u6700\u5c0f\u516c\u500d\u6570\uff1b
\u2462\u6c42\u51fa\u76f8\u5173\u7269\u8d28\u7684\u5316\u5b66\u5f0f\u7cfb\u6570\uff1b
\u2463\u5c06\u76f8\u5e94\u7684\u7269\u8d28\u5316\u5b66\u5f0f\u524d\u9762\u914d\u4e0a\u76f8\u5e94\u7684\u7cfb\u6570\u3002
\u4f8b\u5982\uff0c\u914d\u5e73Al+Fe3O4\u2500\u2500Fe+Al2O3
\u89e3\uff1a\u2460\u4ece\u53cd\u5e94\u5f0f\u770b\uff0c\u6700\u5927\u5947\u6570\u662fAl2O3\u4e2d\u7684\u6c27\u539f\u5b50\u4e2a\u65703\uff0c\u76f8\u5e94\u7269\u8d28Fe3O4\u4e2d\u5bf9\u5e94\u6c27\u539f\u5b50\u4e2a\u6570\u662f\u5076\u65704\uff1b
\u2461\u6700\u5c0f\u516c\u500d\u6570\u4e3a\uff1a3\u00d74=12
\u2462\u6c42\u76f8\u5173\u7269\u8d28\u7684\u5316\u5b66\u5f0f\u7cfb\u6570\uff1a
\u2463\u914d\u5e73\uff1aAl+3Fe3O4\u2500\u2500Fe+4Al2O3
\u4e0a\u5f0f\u4e2d4Al2O3\u5728\u6ee1\u8db33\u00d74=12\u4e2a\u6c27\u539f\u5b50\u7684\u540c\u65f6\uff0c\u5c06Al\u76f8\u5e94\u589e\u4e3a8\u4e2a\uff0c3Fe3O4\u4e2dFe\u76f8\u5e94\u589e\u4e3a9\u4e2a\uff0c\u5219\u6574\u4e2a\u65b9\u7a0b\u5f0f\u914d\u5e73\u4e3a\uff1a
8Al+3Fe3O4=9Fe+4Al2O3
(2)\u89c2\u5bdf-\u63a8\u7406\u6cd5
\u8fd9\u662f\u4e00\u79cd\u4ee5\u5947\u5076\u6cd5\u4e3a\u57fa\u7840\uff0c\u8fdb\u4e00\u6b65\u52a0\u4ee5\u63a8\u7406\u6765\u5b8c\u6210\u914d\u5e73\u7684\u65b9\u6cd5\u3002
\u89c2\u5bdf-\u63a8\u7406\u6cd5\u5e94\u7528\u8f83\u5e7f\u6cdb\uff0c\u901a\u5e38\u6839\u636e\u7740\u773c\u70b9\u4e0d\u540c\u53c8\u5206\u4e3a\u4e24\u79cd\u60c5\u51b5\uff1a
\u7b2c\u4e00\uff0c\u4ece\u5316\u5b66\u53cd\u5e94\u5f0f\u4e2d\u51fa\u73b0\u6b21\u6570\u6700\u591a\u7684\u5143\u7d20\u7740\u773c\u3002\u5176\u914d\u5e73\u6b65\u9aa4\u662f\uff1a
\u2460\u627e\u51fa\u5728\u5316\u5b66\u53cd\u5e94\u5f0f\u4e2d\u51fa\u73b0\u6b21\u6570\u6700\u591a\u4e14\u539f\u5b50\u4e2a\u6570\u4e3a\u6700\u5927\u5947\u6570\u7684\u5143\u7d20\uff1b
\u2461\u5c06\u542b\u8be5\u5143\u7d20\u6700\u5927\u5947\u6570\u4e2a\u539f\u5b50\u7684\u5316\u5b66\u5f0f\u914d\u4e0a\u9002\u5f53\u7684\u5076\u6570\u7cfb\u6570\uff1b
\u2462\u4ee5\u6b64\u4e3a\u57fa\u7840\uff0c\u9010\u6b65\u63a8\u7406\uff0c\u7b97\u51fa\u5176\u4ed6\u7269\u8d28\u5316\u5b66\u5f0f\u7684\u7cfb\u6570\uff0c\u5c06\u65b9\u7a0b\u5f0f\u914d\u5e73\u3002
\u4f8b\u5982\uff0c\u914d\u5e73FeS2+O2\u2014Fe2O3+SO2
\u89e3\uff1a\u2460\u7531\u89c2\u5bdf\u53ef\u77e5\uff0c\u6c27\u5143\u7d20\u51fa\u73b0\u7684\u6b21\u6570\u6700\u591a\uff0c\u4e14\u5728Fe2O3\u4e2d\u5947\u65703\u4e3a\u6700\u5927\uff1b
\u2461\u5c06Fe2O3\u914d\u4e0a\u7cfb\u65702\uff0c\u5219
FeS2+O2\u20142Fe2O3+SO2
\u2462\u4ece2Fe2O3\u89c2\u5bdf\u53ef\u77e5\uff0c\u5176\u4e2dFe\u539f\u5b50\u67094\u4e2a\uff0c\u4f7f\u4e24\u8fb9Fe\u539f\u5b50\u4e2a\u6570\u76f8\u7b49\uff0c\u5c31\u8981\u5728FeS2\u524d\u9762\u914d\u4e0a\u7cfb\u65704\uff0c\u5219
4FeS2+O2\u20142Fe2O3+SO2
\u4ece4FeS2\u89c2\u5bdf\u53ef\u77e5\uff0c\u5176\u4e2dS\u539f\u5b50\u67098\u4e2a\uff0c\u8981\u4f7f\u4e24\u8fb9S\u539f\u5b50\u4e2a\u6570\u76f8\u7b49\uff0c\u5c31\u8981\u5728SO2\u524d\u9762\u914d\u4e0a\u7cfb\u65708\uff0c\u5219
4FeS2+O2\u20142Fe2O3+8SO2
\u4ece\u6c27\u5143\u7d20\u7740\u773c\uff0c\u518d\u56de\u5230\u6c27\u539f\u5b50\u4e2a\u6570\u7684\u8ba1\u7b97\u4e0a\u6765\u3002\u53f3\u8fb9\u6c27\u539f\u5b50\u6570\u4e3a2\u00d73+ 8\u00d72=22\u4e2a\uff0c\u56e0\u6b64\uff0c\u5728O2\u524d\u9762\u5e94\u914d\u4e0a\u7cfb\u657011\uff0c\u5316\u5b66\u65b9\u7a0b\u5f0f\u4e24\u8fb9\u5c31\u5e73\u8861\u4e86\uff0c\u5373
4FeS2+11O2=2Fe2O3+8SO2
\u5316\u5b66\u65b9\u7a0b\u5f0f\u7684\u914d\u5e73\u65b9\u6cd5\uff0c\u9664\u4e0a\u8ff0\u4e24\u79cd\u4ee5\u5916\uff0c\u8fd8\u6709\u4ee3\u6570\u6cd5\u3001\u5316\u5408\u4ef7\u5347\u964d\u6cd5\u53ca\u65b0\u89c2\u5bdf\u6cd5\u7b49\u7b49\uff0c\u4eca\u540e\uff0c\u540c\u5b66\u4eec\u4f1a\u9010\u6b65\u5b66\u4e60\u5230\u3002
3\uff0e\u5316\u5b66\u65b9\u7a0b\u5f0f\u4e66\u5199\u4e2d\u5e38\u89c1\u9519\u8bef\u7b80\u6790
\u5316\u5b66\u65b9\u7a0b\u5f0f\u7684\u4e66\u5199\uff0c\u662f\u5143\u7d20\u7b26\u53f7\u548c\u5316\u5b66\u5f0f\u4e66\u5199\u80fd\u529b\u7684\u7efc\u5408\u8fd0\u7528\uff0c\u56e0\u800c\u4e5f\u662f\u5316\u5b66\u7528\u8bed\u5b66\u4e60\u4e2d\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u548c\u96be\u5ea6\u8f83\u5927\u7684\u90e8\u5206\u3002
2C4H10+13O2=8CO2+10H20
2C3H6+9O2=6CO2+6H2O
C4H8+6O2=4CO2+4H2O
2C2H2+5O2=4CO2+2H2O
2CH2+3O2=2CO2+2H2O
2H2+O2=2H2O
C3H8+5O2=4H2O+3CO2
2C4H10+13O2=8CO2+10H2O
2C3H6+9O2=6CO2+6H2O
C4H8+6O2=4CO2+4H2O
绛旓細绗竴姝ワ細閰嶅钩姘у師瀛 Al + 3Fe3O4 鈫 Fe + 4Al2O3 绗簩姝ワ細閰嶅钩閾佸拰閾濆師瀛 8Al + 3Fe3O4 鈫 9Fe + 4Al2O3 绗笁姝ワ細閰嶅钩鐨鍖栧鏂圭▼寮锛8Al + 3Fe3O4 = 9Fe + 4Al2O3 2銆佷緥濡傦細Fe2O3 + CO鈥斺擣e + CO2 鎵浠ワ紝1涓狥e2O3搴斿皢3涓淥鈥濆垎鍒粰3涓狢O锛屼娇鍏惰浆鍙樹负3涓...
绛旓細1 鍖栧鏂圭▼寮忛厤骞甯哥敤鏂规硶 (1) 4P + 5 O2 = 鐐圭噧=2 P2O5 (2) 2 C + O2 = 鐐圭噧 = 2 CO (3) 4Al + 3 O2 =鐐圭噧= 2Al2O3 (4) 3 Fe + 2 O2 = 鐐圭噧= Fe3O4 (5) 2Mg + O2 =鐐圭噧 = MgO (6) 2H2O2= MnO2 =2 ...
绛旓細C4H8+6O2=4CO2+4H2O 2C2H2+5O2=4CO2+2H2O 2CH2+3O2=2CO2+2H2O 2H2+O2=2H2O
绛旓細1.纰卞紡纰抽吀閾滃彈鐑垎瑙 Cu2(OH)2CO3==鈻==2CuO+H2O+CO2鈫 2楂橀敯閰搁捑鍒舵哀姘 2KMnO4==鈻==K2MnO4+MnO2+O2鈫 3姘寲閽惧拰浜屾哀鍖栭敯娣峰悎鍏辩儹鍒跺彇姘ф皵 2KClO3==MnO2,鈻==2KCl+3O2鈫 4鍙屾哀姘村埗鍙栨哀姘 2H2O2==MnO2==2H2O+O2鈫 5閾佷笌纭吀閾滄憾娑插弽搴 Fe+CuSO4==FeSO4+Cu 6纰抽吀閽犱笌绋鐩愰吀鍙嶅簲 N...
绛旓細绗竴姝ワ細閰嶅钩姘у師瀛4H2O + Fe 鈫扚e3O4 + H2 绗簩姝ワ細閰嶅钩姘㈠師瀛愩侀搧鍘熷瓙4H2O + 3Fe 鈫扚e3O4 + 4H2 绗笁姝ワ細閰嶅钩鍚庣殑鍖栧鏂圭▼寮锛4H2O +3Fe==Fe3O4 + 4H2 锛堜笁锛夎瀵熸硶閰嶅钩 鏈夋椂鏂圭▼寮忎腑浼氬嚭鐜颁竴绉鍖栧寮姣旇緝澶嶆潅鐨勭墿璐紝鎴戜滑鍙氳繃杩欎釜澶嶆潅鐨勫垎瀛愬幓鎺ㄥ叾浠栧寲瀛﹀紡鐨勭郴鏁帮紝渚嬪锛欶e+...
绛旓細鍒濅腑鍖栧鏂圭▼寮忛厤骞鏂规硶濡備笅锛氫竴锛屾渶灏忓叕鍊嶆暟娉 杩欑鏂规硶閫傚悎甯歌鐨勯毦搴︿笉澶х殑鍖栧鏂圭▼寮忋備緥濡傦紝KCIO3鈫扠CI+O21鍦ㄨ繖涓弽搴斿紡涓彸杈规哀鍘熷瓙涓暟涓2锛屽乏杈规槸3锛屽垯鏈灏忓叕鍊嶆暟涓6锛屽洜姝C1O3鍓嶇郴鏁板簲閰2.02鍓嶉厤3锛屽紡瀛愬彉涓猴細2KCIO3鈫扠Cl+3O2鈫戙備簩銆佸鍋堕厤骞虫硶 杩欑鏂规硶閫傜敤浜庡寲瀛︽柟绋嬪紡涓よ竟鏌愪竴...
绛旓細鍥炵瓟锛1銆 鏈灏忓叕鍊嶆暟娉:瀵绘壘鍖栧鍙嶅簲鏂圭▼寮忓乏鍙充袱杈瑰悇鍑虹幇涓娆＄殑鍘熷瓙,涓斿師瀛愪釜鏁扮浉宸渶澶氱殑鍏冪礌涓洪厤骞宠捣鐐广傚湪閰嶅钩鍖栧鏂圭▼寮鏃,瑙傚療鍙嶅簲鍓嶅悗鍑虹幇鈥濅釜鏁扳濊緝澶嶆潅鐨勫厓绱,鍏堣繘琛岄厤骞炽傚厛璁＄畻鍑哄弽搴斿墠鍚庤鍏冪礌鍘熷瓙鐨勬渶灏忓叕鍊嶆暟,鐢ㄥ～鍖栧寮鍓嶉潰鍖栧璁￠噺鏁扮殑鏂规硶,瀵硅鍘熷瓙杩涜閰嶅钩,鐒跺悗瑙傚療閰嶅钩鍏朵粬鍏冪礌鐨勫師瀛...
绛旓細(NO3)2+NO2鈫+2H2O 鍦℉2O鐨勫墠闈㈠姞涓2鍚,鍙宠竟鏈4涓狧,鎵浠ュ簲鍦℉NO3鍓嶉潰鍔犱笂4,宸﹁竟鍔4鍚庢湁4涓狽,鑰屽彸杈规湁3涓狽,鎵浠ュ簲鍦∟O2鍓嶉潰鍔犱笂2,浜庢槸寰閰嶅钩浜嗙殑鍖栧鍙嶅簲鏂圭▼寮: Cu+4HNO3(娴)=== Cu(NO3)2+2NO2鈫+2H2O 渚嬩簩:璇烽厤骞冲弽搴斿紡: C2H6 +O2 鈥斺擟O2 +H2O 鍒嗘瀽:瑙傚療寰楃煡姘ф槸鍓嶅悗鍑虹幇娆℃暟鏈澶氱殑...
绛旓細鍒濅笁鍖栧鏂圭▼寮忛厤骞鏂规硶濡備笅锛1銆佹渶灏忓叕鍊嶆暟娉曪細閫傜敤浜庢墍閰嶅師瀛愬湪鏂圭▼寮忓乏鍙冲悇鍙嚭鐜颁竴娆＄殑鎯呭喌銆傞鍏堟眰鍑烘瘡涓绉嶅師瀛愬湪鍙嶅簲鍓嶅悗鐨勬渶灏忓叕鍊嶆暟锛屼娇璇ュ師瀛愬湪鍙嶅簲鍓嶅悗閮戒负鎵姹傚嚭鐨勬渶灏忓叕鍊嶆暟锛屽啀閰嶅钩鍏朵粬鍘熷瓙銆2銆佷唬鏁版硶锛堝緟瀹氱郴鏁版硶锛夛細璁綼銆乥銆乧銆乨绛夋湭鐭ユ暟锛屽垎鍒綔涓哄緟閰嶅钩鐨勫寲瀛︽柟绋嬪紡涓ょ鍚勯」鍖栧...
绛旓細1.纰冲湪绌烘皵涓厖鍒嗙噧鐑э細 C+ O2===CO2 2.纭湪姘ф皵涓噧鐑э細 S+ O2===SO2 3.纾峰湪姘ф皵涓噧鐑э細 4P+5O2 ===2P2O5 4.闀佸湪绌烘皵涓厖鍒嗙噧鐑э細 2Mg+O2 ===2MgO 5.閾佸湪姘ф皵涓噧鐑э細 3Fe+2O2 ===Fe3O4 6.鍔犵儹楂橀敯閰搁捑鍒舵哀姘旓細 2KMnO4 ===K2MnO4 + MnO2+O2鈫 7.姘吀閽句簩姘у寲閿版贩鍚...
