1銆?/span>2009骞存櫘閫氶珮绛夊鏍℃嫑鐢熷叏鍥界粺涓€鑰冭瘯锛堝畞澶忓嵎锛夌悊缁煎寲瀛︾7棰橈細灏?/span>22.4 L鏌愭皵鎬佹爱姘у寲鍚堢墿涓庤冻閲忕殑鐏肩儹閾滅矇瀹屽叏鍙嶅簲鍚庯紝姘斾綋浣撶Н11.2 L锛堜綋绉潎鍦ㄧ浉鍚屾潯浠朵笅娴嬪畾锛夛紝鍒欒姘哀鍖栧悎鐗╃殑鍖栧寮忎负
A锛?/span>NO2 B.N2O2 C.N2O D.N2O4
绛旀锛?/span>A
2銆?/span>1997骞翠笂娴峰競楂樹笁涓滃崕鏉寲瀛︾珵璧涘垵璧涜瘯鍗风29棰橈細10.8g姘殑姘у寲鐗?/span>NxOy鍜?/span>50 g 鐏肩儹鐨勯搧鍦ㄥ瘑闂鍣ㄤ腑鍙嶅簲涓€娈垫椂闂村悗,鐢熸垚浜?/span> 0.1 mol Fe3O4 鍜?/span> 0.1mol N2锛屽垯NxOy鏄?/span>………………………………………………………( )
3銆?/span>鎵€鏈夋爱鐨勬哀鍖栫墿閮借兘涓庣伡鐑殑閾佽繘琛屽弽搴旂敓鎴?/span>Fe3O4鍜?/span>N2锛?/span>4NxOy+3yFe锛?/span>yFe3O4+2xN2銆傚綋涓€瀹氶噺鐨?/span>NxOy閫氳繃鐏肩儹鐨勯搧绮夊悗锛岀矇鏈川閲忓鍔犱簡64g锛岃€屾皵浣撲綋绉紙鐩稿悓娓╁害鍜屽帇寮猴級娌℃湁鍙樺寲锛屽垯NxOy鍙兘鏄?/span>
銆€A锛?/span>N2O B锛?/span>NO C锛?/span>N2O3 D锛?/span>NO2
4銆?/span>鍦ㄧ儹鐨勭█纭吀涓憾瑙ｄ簡11.4鍏?/span> FeSO4銆傚綋鍔犲叆50姣崌0.5mol/L KNO3婧舵恫鍚庯紝浣垮叾涓殑Fe2+鍏ㄩ儴杞寲涓?/span>Fe3+锛?/span>KNO3婧舵恫涔熷畬鍏ㄥ弽搴旓紝骞舵湁NxOy姘斾綋閫稿嚭锛屽垯璇?/span>NxOy姘斾綋鏄紙 锛?/span>
A銆?/span>N2O B銆?/span>NO C銆?/span>N2O3 D銆?/span>NO2
瑙ｆ瀽锛?/span>棣栧厛瑕佹姄浣忓弽搴旂墿鐨勯噺浠ュ強鐢靛瓙杞Щ鍏崇郴銆傛牴鎹鎰忥細
n(FeSO4)锛?/span>11.4g/(152g/mol) =0.075 mol锛?/span>n(KNO3)=0.05 L×0.5 mol/L=0.025 mol锛涚敱鐢靛瓙瀹堟亽寰楋細N鍏冪礌琚繕鍘熶负+2浠凤紝鍗崇敓鎴?/span>NO銆傛牴鎹寲鍚堜环鍙樺寲鎯呭喌锛?/span>N +5闄嶄负+2锛?/span>Fe +2鍗囦负+3銆傚洜姝?/span>FeSO4鍜?/span>KNO3鐨勭郴鏁颁緷娆′负3鍜?/span>1锛屽湪缁撳悎璐ㄩ噺瀹堟亽锛屽彲浠ュ啓鍑哄弽搴旀柟绋嬪紡涓猴細
6FeSO4+2KNO3+4H2SO4=K2SO4+3Fe2(SO4)3+2NO↑+4H2O銆?/span>
娉ㄦ剰锛氭棰樺鏋滆姘殑姘у寲鐗╃殑鍖栧寮忎负NOx锛屽垯閫氳繃宸噺娉曡绠楀嚭x=2.5锛屽嵆姘殑姘у寲鐗╀负NO2.5锛屽鏋滃悓鏃舵斁澶т袱鍊嶇殑寰楀埌N2O5鍙堜笉绗﹀悎棰樻剰锛屽ぇ瀹舵兂鎯充负浠€涔堜笉鑳藉皢姘殑姘у寲鐗╃殑鍖栧寮忎负NOx鍛紵
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