A,B,C,D,E是初中化学常见的化合物,其中B,C都是氧化物,C常用作食品干燥剂.A,B,D,E属于不同类别的化合物 AuG是初中化学常见的物质，A是天然气的主要成分，G常用作食...
A\u3001B\u3001C\u3001D\u4e3a\u521d\u4e2d\u5316\u5b66\u4e2d\u5e38\u89c1\u7684\u7269\u8d28\uff0c\u5176\u4e2dA\u4e3a\u542b\u4e09\u79cd\u5143\u7d20\u7684\u9499\u76d0\uff0cB\u5e38\u7528\u4f5c\u98df\u54c1\u5e72\u71e5\u5242\uff0e\u5b83\u4eec\u7684\u76f8\u4e92\u53cd\u5e94\u5173\u7cfb\u5982A\u4e3a\u542b\u4e09\u79cd\u5143\u7d20\u7684\u9499\u76d0\uff0cB\u5e38\u7528\u4f5c\u98df\u54c1\u5e72\u71e5\u5242\uff0c\u4e14A\u80fd\u9ad8\u6e29\u5206\u89e3\u751f\u6210B\uff0c\u6545A\u662f\u78b3\u9178\u9499\uff0cB\u662f\u6c27\u5316\u9499\uff1bC\u662f\u4e8c\u6c27\u5316\u78b3\uff1bB\u80fd\u4e0e\u6c34\u53cd\u5e94\u751f\u6210D\uff0c\u6545D\u662f\u6c22\u6c27\u5316\u9499\uff0c\u6c22\u6c27\u5316\u9499\u80fd\u4e0e\u4e8c\u6c27\u5316\u78b3\u53cd\u5e94\u751f\u6210\u78b3\u9178\u9499\u548c\u6c34\uff0c\u5e26\u5165\u6846\u56fe\uff0c\u63a8\u65ad\u5408\u7406\uff1b\uff081\uff09A\u662f\u78b3\u9178\u9499\uff0c\u6545\u586b\uff1aCaCO3\uff1b\uff082\uff09D\u662f\u6c22\u6c27\u5316\u9499\uff0c\u5c5e\u4e8e\u78b1\u7c7b\u7269\u8d28\uff0c\u6545\u586b\uff1a\u78b1\uff1b\uff083\uff09\u6c22\u6c27\u5316\u9499\u80fd\u4e0e\u4e8c\u6c27\u5316\u78b3\u53cd\u5e94\u751f\u6210\u78b3\u9178\u9499\u6c89\u6dc0\u548c\u6c34\uff0c\u6545\u586b\uff1aCa\uff08OH\uff092+CO2\u2550CaCO3\u2193+H2O\uff1b\uff084\uff09\u78b3\u9178\u9499\u80fd\u9ad8\u6e29\u5206\u89e3\u751f\u6210\u6c27\u5316\u9499\u548c\u4e8c\u6c27\u5316\u78b3\uff0c\u8be5\u53cd\u5e94\u5c5e\u4e8e\u5206\u89e3\u53cd\u5e94\uff0c\u6545\u586b\uff1a\u5206\u89e3\u53cd\u5e94\uff1b\uff085\uff09\u4e8c\u6c27\u5316\u78b3\u53ef\u4ee5\u7528\u4f5c\u6e29\u5ba4\u6c14\u4f53\u80a5\u6599\uff0c\u6545\u586b\uff1a\u6c14\u4f53\u80a5\u6599\uff0e
A\u662f\u5929\u7136\u6c14\u7684\u4e3b\u8981\u6210\u5206\uff0c\u5219A\u662f\u7532\u70f7\uff0c\u80fd\u4e0eB\u53cd\u5e94\u751f\u6210C\u548cD\uff0c\u5219B\u53ef\u80fd\u662f\u6c27\u6c14\uff0c\u751f\u6210\u7684C\u548cD\u53ef\u80fd\u662f\u4e8c\u6c27\u5316\u78b3\u548c\u6c34\uff0cG\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u98df\u54c1\u5e72\u71e5\u5242\uff0c\u5219G\u662f\u6c27\u5316\u9499\uff0cD\u4e3a\u6c34\uff0cC\u4e3a\u4e8c\u6c27\u5316\u78b3\uff0c\u6c27\u5316\u9499\u4e0e\u6c34\u53cd\u5e94\u751f\u6210E\u4e3a\u6c22\u6c27\u5316\u9499\uff0c\u4e8c\u6c27\u5316\u78b3\u80fd\u4e0e\u6c22\u6c27\u5316\u9499\u53cd\u5e94\u751f\u6210\u78b3\u9178\u9499\u6c89\u6dc0F\u548c\u6c34D\uff0c\u4ee3\u5165\u6846\u56fe\uff0c\u63a8\u65ad\u5408\u7406\uff0e\uff081\uff09A\u662f\u5929\u7136\u6c14\u7684\u4e3b\u8981\u6210\u5206\uff0c\u5219A\u662f\u7532\u70f7\uff0c\u6240\u4ee5\u672c\u9898\u7b54\u6848\u4e3a\uff1aCH4\uff1b\uff082\uff09E\u662f\u6c22\u6c27\u5316\u9499\uff0c\u5c5e\u4e8e\u78b1\uff1b\uff083\uff09\u2461\u4e3a\u4e8c\u6c27\u5316\u78b3\u4e0e\u6c27\u5316\u9499\u7684\u53cd\u5e94\uff0c\u6b64\u53cd\u5e94\u80fd\u751f\u6210\u6c22\u6c27\u5316\u9499\uff0c\u5c5e\u4e8e\u5316\u5408\u53cd\u5e94\uff1b\uff084\uff09\u2462\u4e3a\u4e8c\u6c27\u5316\u78b3\u4e0e\u6c22\u6c27\u5316\u9499\u53cd\u5e94\u751f\u6210\u78b3\u9178\u9499\u6c89\u6dc0\u548c\u6c34\u7684\u53cd\u5e94\uff0c\u5176\u5316\u5b66\u65b9\u7a0b\u5f0f\u4e3a\uff1aCa\uff08OH\uff092+CO2\u2550CaCO3\u2193+H2O\uff1b\u6545\u7b54\u6848\u4e3a\uff1a\uff081\uff09O2 \uff1b\uff082\uff09\u78b1\uff1b\uff083\uff09\u5316\u5408\u53cd\u5e94\uff1b\uff084\uff09Ca\uff08OH\uff092+CO2\u2550CaCO3\u2193+H2O\uff0e
B,C都是氧化物,C常用作食品干燥剂.C为CaO
A为CaCO3
B为CO2
绛旓細锛1锛堿:Fe C:Fe 2 O 3 銆 锛2锛夋湁姘旀场浜х敓锛屾憾娑茬敱鏃犺壊鍙樹负娴呯豢鑹 锛3锛塏a 2 CO 3 +Ca(OH) 2 ==CaCO 3 鈫+2NaOH锛堝叾浠栧悎鐞嗙瓟妗堜篃缁欏垎锛 璇曢鍒嗘瀽锛氭牴鎹鎰忥紝鈥淎鏄崟璐锛孋鏄孩妫曡壊鍥轰綋鈥濓紝鍐嶇粨鍚堝浘绀篊鈫A锛鍙堚淎銆丅銆丆銆D銆E鏄垵涓寲瀛甯歌鐨勪笉鍚岀被鍒殑鐗╄川鈥...
绛旓細瑙ｆ瀽锛氫簲绉嶄笉鍚岀被鍒殑鐗╄川鈥斺斿崟璐ㄣ佹哀鍖栫墿銆侀吀銆佺⒈銆佺洂銆愯В棰樺叧閿B鏄鑷粹滄俯瀹ゆ晥搴斺濈殑涓绉嶆皵浣撯斺擟O2A鏄⒊锛圕锛夈愪笉鏄疌O锛屽鏋滄槸CO灏卞拰CO2涓鏍锋槸姘у寲鐗╀簡锛岄涓姹備笉鍚岀被鍒C鏄CaCO3 锛堟垨NaCO3锛D鏄疌a(OH)2 锛堟垨NaOH锛E鏄HCl ...
绛旓細C鏄孩妫曡壊鍥轰綋锛屽彲浠ョ‘瀹氭槸姘у寲閾併E鏄姘存憾娑插彲浣块厷閰炶瘯鍓傚彉涓虹孩鑹茬殑鐩愬彲浠ョ‘瀹氭槸鍛堢⒈鎬х殑鐩愩
绛旓細A=Na2CO3 (纰抽吀閽,鍙堝悕鑻忔墦)B=Ca(OH)2 (姘㈡哀鍖栭挋,鍙堝悕鐔熺煶鐏帮紝姘存憾娑蹭负鐭崇伆姘)C=NaOH (姘㈡哀鍖栭挔,鍙堝悕鐑х⒈銆佺伀纰便佽嫑鎬ч挔锛D=CaCO3 锛堢⒊閰搁挋锛屽張鍚嶇煶鐏扮煶锛塃=CaO 锛堟哀鍖栭挋锛屽張鍚嶇敓鐭崇伆锛堿婧舵恫+B婧舵恫鈥斺擟+鐧借壊娌夋穩D锛歂a2CO3+Ca(OH)2 = 2NaOH +CaCO3 鈫 ( 鐧借壊娌夋穩D 楂樻俯 鈥斺擡...
绛旓細绛旓細A锛涓烘按锛圚2O锛锛孊涓烘哀鍖栭挋锛圕aO锛锛孋涓烘阿姘у寲閽欙紙Ca(OH)2)锛孌涓虹⒊閰搁挋锛圕aCO3锛锛孍涓轰簩姘у寲纰筹紙CO2锛夛紝B鈫扐==CaO+2HCl=CaCl2+H2O锛孋鈫扐==Ca(OH)2+HCl=CaCl2+2H2O锛孉鈫扖==CaO+H2O=Ca(OH)2,D鈫扐==CaCO3+2HCl=CaCl2+H2O+CO2鈫戯紝E鈫扐==CO2+Ca(OH)2=CaCO3鈫+H2O 甯屾湜鎴...
绛旓細A銆丅銆丆銆丏銆丒涓鍒濅腑鍖栧甯歌浜旂涓嶅悓绫诲埆鐨勭墿璐锛孍鏄鐩稿鍒嗗瓙璐ㄩ噺鏈灏忕殑鐗╄川锛屾墍浠鏄阿姘旓紝A銆丅銆丆鍧囧惈鏈夌浉鍚岄噾灞炲厓绱锛孊鈫扖鍙嶅簲鏀惧嚭澶ч噺鐑紝缁撳悎甯歌鐨勬斁鐑弽搴旓紝A銆丅銆丆涔嬮棿鐨勮浆鍖栧叧绯诲拰C鍙堜細杞寲鎴A锛鐚滄兂A鏄⒊閰搁挋锛孊鏄哀鍖栭挋锛孋鏄阿姘у寲閽欙紝A銆丅銆丆閮戒細涓嶥鍙嶅簲锛孌鏄洂閰革紝鐩愰吀鍜...
绛旓細锛1锛夊弽搴斿紡锛欻2 + CuO=Cu + H2O H2+ O2= H2O A + B = C + D A + E = D 鐢变笂闈㈠彲浠ョ湅鍑篊涓洪摐 鈪＄殑鍖栧鏂圭▼寮忎负锛欻2+ O2= H2O 锛2锛夊弽搴斿紡锛欳 +2CuO=2Cu+ CO2 C + O2 = CO2 A + B = C + D A + E = D 鐢变笂闈㈠彲浠ョ湅鍑篍涓烘哀姘 鈪...
绛旓細C鏄⒊锛孍鏄姘ф皵锛孉鏄簩姘у寲纰锛孊鏄竴姘у寲纰筹紝
绛旓細Al銆佹哀鍖栭摑閮芥棦鑳戒笌閰稿弽搴斿張鑳戒笌纰卞弽搴旓紝鑰孎e銆佹哀鍖栭搧閮借兘涓庨吀鍙嶅簲锛岃嫢C婧舵恫鏄剧⒈鎬э紝鍒欒瘯鍓1涓篘aOH婧舵恫鏃锛孋涓哄亸閾濋吀閽狅紱鑻婧舵恫涓洪吀鎬э紝C涓哄己閰稿搴旂殑閾濈洂锛岃瘯鍓2涓虹～閰告椂锛孌涓虹～閰搁搧銆丒涓虹～閰镐簹閾侊紱璇曞墏1涓虹～閰告椂锛孋涓虹～閰搁摑锛岃婧舵恫姘磋В鏄鹃吀鎬э紝锛1锛塜鐨勫崟璐ㄤ笌A鍙嶅簲涓洪摑鐑弽搴旓紝...
绛旓細A+B--C+D锛鍥犱负AC鏄鍗曡川锛屾墍浠ヨ繖涓弽搴旀槸缃崲鍙嶅簲 -- 锛1锛夋皵浣撳弬鍔犵殑缃崲鍙嶅簲鏈夛細H2+CuO=H2O+Cu 鎵浠涓洪摐锛圕u)锛孌涓篐2O锛堟按锛夆叀鐨勬柟绋嬪紡涓2H2+O2=2H2O 锛2锛夐潪閲戝睘鍥轰綋鍙傚姞鐨勫弽搴旀湁C+2CuO=2Cu+CO2 鎵浠涓篊O2锛屽垯E涓篛2銆傗厾鐨勬柟绋嬪紡涓篊+O2=CO2 锛3锛夎繖涓换鎰忓啓涓涓湁閲戝睘鍙傚姞鐨...
