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һѡ⣺12С⣬ÿС2֣24֡ÿСֻһѡĿҪѡԵĵ3
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1϶죬õ¡ʵл塰¡ΰ롣³̫ܵذİ뵼 A
B CϽ DϽ
2úȡʵУȡͷҺʱҪõ AҺ© Bͨ© Cƿ D 3ӼмԹۼĻ
AH2SO4 BNa2O2 CCaCl2 D(NH4)2S
1274Ԫءһֺ12753I53I˵ȷ
AΪ74 BΪ127 C˵Ϊ53 DΪ127
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A. H + H HH B. HCl H + Cl
C. Mg + 2HClMgCl2 + H2 D. H2SO4 + 2NaOHNa2SO4 + 2H2O 6ӷʽдȷ AᷴӦFe + 2H Fe + H2
BҺϡᷴӦBa+ SO4BaSO4 CþᷴӦH + OHH2O
DȻҺмˮAl + 3NH3H2OAl(OH)3+ 3NH4 7дʩΪ˽ͻѧӦʵ
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CCH3CH2CH2CH3CH3CH2CH3
D
CH2CH 2 CH2CH3CH=CH2
9лӦУȡӦ ACH3COOHCH3CH2OH B2CH3CH2OHO2 CCH4Cl2D
ŨCH3COOCH2CH3H2O 2CH3CHO2H2O
CH3ClHCl
FeBr3Br2 BrHBr
10nAΪӵֵ˵ȷ A³ѹ£11.2 LеԭĿΪnA
Bпû1 mol H2תƵĵĿΪnA C4.4 g ̼еķĿΪ0.1 nA D1 mol/L CaCl2ҺкеĿΪ2nA
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13ͼʾǶԪABCڱеλãACԪصԭӺ֮͵Bԭӵĺ
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A B C
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ӦΪZn + 2OH 2e ZnO + H2OAg2O + H2O + 2e 2Ag + 2OHӦʽȷǣ
AZnǸAg2O
BʹùУظҺpHС CʹùУAg2O·Zn DZn缫ԭӦAg2O缫Ӧ
16̬Ļﹲ1molȫȼպ33.6L״CO236g H2O˵ȷ
Aһбϩ Bһ Cһм DǼϩĻ
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17(10) dzµ㡱ΪڴζʵҲ
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2װеҪڱ̼ҺҺϣܲҺУĿǷֹ 3÷Ӧ෴Ӧ ɶѡ
AӳɷӦ BȡӦ CˮⷴӦ DӦ E淴Ӧ
4дȡĻѧӦʽ
5Ҵһ»ܷˮӦϩϩͨȻ̼ҺУ۲쵽 ䷴ӦʽΪ
1813֣±Ԫڱһ֣ԱТ١Ԫأдпհף
2 3 4 A A A A A A A 0 1ѡԭĺ طţ
2ˮУǿĻĻѧʽ ǿĻĻѧʽ
3Ԫڵ 壻дҺӦӷʽ
4ӢݵԪУ ԭӰ뾶Ԫطţ
5ԪآγɵĻ ۡӡ 6ҪȽϢݱȢĽǿʵ鷽е ĸ
AʢڢҺУݲûʢޣ˵ݵĽ
BȽϢݺ͢Ӧˮˮԣǰ߱Ⱥܽȴǰ߽ǿ CݡĵʷֱͶ뵽ˮУ۲쵽ˮӦң˵ݵĽǿ
DݡĵʷֱO2ȼգǰߵõɫȺߵõɫǰ߽ǿ
7дڵ⻯Ļѧʽ
1914֣ijʵСH2O2ķֽ̽±ǸʵСоӰH2O2ֽʵʱ¼һݣͬ״̬ͬMnO2ֱʢ15 mL 5%H2O2ҺĴԹУôǵľԣ£ 1дӦ
MnO2 ĩ״ ״ Թ ۲ ҷӦǵľȼ ӦǺľδȼ Ӧʱ Թ
3.5min 30min Ļѧ
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÷Ӧ ӦȻȣ
2ʵĴЧ йء
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3÷ӦĵĻѧʽΪ 4Ӧʼ2ʱBƽӦΪ 5˵÷ӦѴﵽƽ״̬
5 4 3 2 1 0 1 2 B 3/ C A