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2019

2653DΪԪءAΪ̼Ԫأγɵһ̼Ͷ̼ȣABΪԪأ߼ӦˮΪᣬǿᣬBȷԪCDE߼ӦˮֱΪþᣬþ֮䲻ӦC⻯ȶǽǿһ£Ԫطǽǿ̼Ԫأ⻯ȶBAD

9(2016߿ȫ)ԪWXYZԭӡmprЩԪɵĶԪnԪZĵʣͨΪɫ壬qˮҺƯԣ001 molL1rҺpHΪ2sͨˮĻʵתϵͼʾ˵ȷ( )

AԭӰ뾶ĴСWX>Y CY⻯ﳣ³ѹΪҺ̬ DX߼ˮΪǿ

ѡCnͨΪɫ壬nΪCl2qˮҺƯԣqΪHClO001 molL1rҺpH2˵rΪһԪǿᣬrΪHClsΪˮĻڹɣԪpΪCH4Ϸ漰ԪHCOClֱӦWXYZԭӰ뾶C>OA󣻷ǽԣO>CBO⻯ΪH2OH2O2³ѹ¾ΪҺ̬CȷC߼ˮΪH2CO3ΪᣬD

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10(2018ģ)CNONaAlSCldzԪء (1)

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(2)á><򡰣ա

Ӱ뾶 N____ Al

33 H2SO4____ HClO4 ԭ O____ S 22õ 35Cl____ 37Cl 2019

(3)ڻҩըʱӦĻѧʽΪS2KNO33C===K2S3CO2N2ӦУڷǵʵ__________________(дṹʽ)۵ߵʵĵʽ____________________

(4)(3)лѧӦʽԪУͬԪصķǽǿ˳Ϊ____________֤ݱɵʵ________(ĸ)

AӦˮ B̬⻯ķе

CӦ׳̶ D⻯ȶ

(1)̼ԪλԪڱеĵ2ڢA塣

(2)Ųͬ΢΢뾶ԭСӰ뾶Ӱ뾶ԪصķǽǿԪأǿ᣻ԪصķǽԪأӵĻԭǿӵĻԭԣΪͬλԭӵĻѧͬ35Cl37Clõͬ

(3)ˮ״̬¾ӵĻǷǵʣCO2ǷǵʣṹʽΪO===C===O򻯼ӻ۵ߣʽΪ

(4)ͬԪҷǽǿǽǿ˳O>N>CжϷǽǿ߼Ӧˮǿ䵥ϵ׳̶ȼ⻯ȶԵȣѡCD

𰸣(1)2ڢA (2)> < < (3)O===C===O (4)O>N>C CD

11ABCDΪԪأϢ±

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2019 A B C D ǽǿԪأ̬⻯ˮҺɵ̲Ʒ ̬⻯ʹʪĺɫʯֽ ֮һΪ34Ϊ18 DAͬĵӲṹ ش⣺

(1)AԪλԪڱе______ڵ ____壬B߼ӦˮĻѧʽΪ________CԪԭӵ________ӣDĵʽΪ____________

(2)ABCԪصļ̬⻯ȶǿ˳__________________(ûѧʽʾ)

(3)D2CˮҺ________(ԡԡԡ)ԭ____________________(ӷʽʾ)

(4)֪128 gҺ̬B2H4H2O2ӦB2̬H2Oų25665 kJ

H2O(l)===H2O(g) H44 kJmol1

2H2O2(l)===2H2O(l)O2(g) H1964 kJmol1

Һ̬B2H4O2ӦB2Һ̬H2OȻѧʽΪ__________________________________________________

Ϣ֪AFBNCSDNa(1)FλԪڱе2ڵڢA塣(2)ΪԪصķǽԣFNSԼ̬⻯ȶǿ˳ΪHFNH3H2S(3)Na2SҺS2ˮʹҺʼԣԵһˮΪ(4)д1 molҺ̬N2H4H2O2ӦN2̬H2OȻѧʽȻø˹ɼ㼴ɵõȻѧʽ

𰸣(1)2 A HNO3 6 (2)HFNH3H2S (3) S2H2O

HSOH

(4)N2H4(l)O2(g)===N2(g)2H2O(l) H621225 kJmol1

2019

12(2018ϲ)ABCDEԭεֶԪأ֪

BԭӺ֮Ϊ43 Dԭ֮Ϊ34 ECAӰ뾶𽥼С AEȼջʲ԰ɫ ش⣺ (1)E

߼ӦˮĻѧʽΪ

______________________________

ԱD߼Ӧˮ________(ǿ) (2)XYԪ3ɵǿʣҹɵԭӸȾΪ111֪XҺˮ c(H)1012 molL1XĵʽΪ________________YˮҺXͬԭ(дӷʽ)_________________________ ___________________

(3)BCԭӸΪ11ĻH2OӦĻѧʽΪ___________

(4)ABADγ18ӵķӣַˮҺзӦ֮һǺ10ӵĻ÷Ӧɹ۲쵽________________________________

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ɵóBΪODΪSɢۿ֪ACڵڢA壬AԭСOAΪHCΪNaEΪCl(1)Ϊǿ޻᣻(2)Xˮĵ룬ӦΪԭӸΪ111ɵóXΪNaOHYΪNaClO