°Ñú×÷ΪȼÁÏ¿Éͨ¹ýÏÂÁÐÁ½ÖÖ;¾¶:

;¾¶¢ñ¡¡C(s)+O2(g)CO2(g)¡¡¦¤H1<0¢Ù

;¾¶¢ò¡¡ÏÈÖƳÉˮúÆø:

C(s)+H2O(g)CO(g)+H2(g)¡¡¦¤H2>0¢Ú

ÔÙȼÉÕˮúÆø:

2CO(g)+O2(g)2CO2(g)¡¡¦¤H3<0¢Û

2H2(g)+O2(g)2H2O(g)¡¡¦¤H4<0¢Ü

Çë»Ø´ðÏÂÁÐÎÊÌâ:

(1);¾¶¢ñ·Å³öµÄÈÈÁ¿ÀíÂÛÉÏ¡¡¡¡¡¡¡¡(Ìî¡°´óÓÚ¡±¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±);¾¶¢ò·Å³öµÄÈÈÁ¿¡£ 

(2)¦¤H1¡¢¦¤H2¡¢¦¤H3¡¢¦¤H4µÄÊýѧ¹ØϵʽÊÇ¡¡¡£ 

(3)ÒÑÖª:¢ÙC(s)+O2(g)CO2(g)¡¡¦¤H1=-393.5 kJ¡¤mol-1

¢Ú2CO(g)+O2(g)2CO2(g)¡¡¦¤H2=-566 kJ¡¤mol-1

¢ÛTiO2(s)+2Cl2(g)TiCl4(s)+O2(g)¡¡¦¤H3=+141 kJ¡¤mol-1

ÔòTiO2(s)+2Cl2(g)+2C(s)TiCl4(s)+2CO(g)µÄ¦¤H=¡¡¡¡¡¡¡¡¡£ 

(4)ÒÑÖªÏÂÁи÷×éÈÈ»¯Ñ§·½³Ìʽ

¢ÙFe2O3(s)+3CO(g)2Fe(s)+3CO2(g)¡¡¦¤H1=-25 kJ¡¤mol-1

¢Ú3Fe2O3(s)+CO(g)2Fe3O4(s)+CO2(g)¡¡¦¤H2=-47 kJ¡¤mol-1

¢ÛFe3O4(s)+CO(g)3FeO(s)+CO2(g)¡¡¦¤H3=+640 kJ¡¤mol-1

Çëд³öFeO(s)±»CO(g)»¹Ô­³ÉFeºÍCO2(g)µÄÈÈ»¯Ñ§·½³Ìʽ¡¡______________________¡£ 

 

(1)µÈÓÚ¡¡

(2)¦¤H1=¦¤H2+(¦¤H3+¦¤H4)/2

(3)-80 kJ¡¤mol-1

(4)FeO(s)+CO(g)Fe(s)+CO2(g)¡¡¦¤H=-218 kJ¡¤mol-1

¡¾½âÎö¡¿(1)¸ù¾Ý¸Ç˹¶¨Âɵĺ¬ÒåÖª,;¾¶¢ñ·Å³öµÄÈÈÁ¿µÈÓÚ;¾¶¢ò·Å³öµÄÈÈÁ¿¡£

(2)ÓɸÇ˹¶¨ÂÉ:¢Ù=µÃ¦¤H1=¦¤H2+¦¤H3+¦¤H4¡£

(3)ÓÉ¢Û+2¡Á¢Ù-¢ÚµÃËùÇó·½³Ìʽ,¼´¦¤H=¦¤H3+2¦¤H1-¦¤H2=+141 kJ¡¤mol-1+2¡Á(-393.5 kJ¡¤mol-1)-(-566 kJ¡¤mol-1)=-80 kJ¡¤mol-1¡£

(4)ÓÉÌâÒâ:¢ÜFeO(s)+CO(g)Fe(s)+CO2(g)¡¡¦¤H

Ôò¢Ü=µÃ ¦¤H==-218 kJ¡¤mol-1

ÔòFeO(s)+CO(g)Fe(s)+CO2(g)¡¡¦¤H=-218 kJ¡¤mol-1

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§Ëս̰æÑ¡ÐÞ2 1.3º£Ë®µ­»¯Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

µØÇòµÄº£Ë®×ÜÁ¿Ô¼ÓÐ1.4¡Á1018 t£¬ÊÇÈËÀà×î´óµÄ×ÊÔ´¿â

£¨1£©ÈçͼÀûÓú£Ë®µÃµ½µ­Ë®µÄ·½·¨Îª________¡£

£¨2£©µçÉøÎö·¨ÊǽüÄê·¢Õ¹ÆðÀ´µÄÒ»ÖֽϺõĺ£Ë®µ­»¯¼¼Êõ£¬ÆäÔ­ÀíÈçͼ£º

aÊǵçÔ´µÄ________¼«£»I¿ÚÅųöµÄÊÇ________£¨Ìî¡°µ­Ë®¡±»ò¡°Å¨Ë®¡±£©¡£

£¨3£©º£Ë®µ­»¯ºóµÄŨˮÖк¬´óÁ¿Ñη֣¬ÅÅÈëË®Öлá¸Ä±äË®ÖÊ£¬Åŵ½ÍÁÈÀÖлᵼÖÂÍÁÈÀÑμ£¬¹Ê²»ÄÜÖ±½ÓÅÅ·Å£¬¿ÉÒÔÓëÂȼҵÁª²ú¡£

¢Ùµç½âÇ°ÐèÒª°ÑŨˮ¾«ÖÆ£¬¼ÓÈëÊÔ¼ÁµÄ˳ÐòΪ___________________________________£»

¢ÚÓÃÀë×Ó½»»»Ä¤µç½â²Ûµç½âʳÑÎË®µÄ»¯Ñ§·½³ÌʽΪ

_________________________________________________________________________________________________________________________________¡£

£¨4£©ÓËÊǺ˷´Ó¦×îÖØÒªµÄȼÁÏ£¬ÆäÌáÁ¶¼¼ÊõÖ±½Ó¹Øϵ×ÅÒ»¸ö¹ú¼ÒºË¹¤Òµ»òºËÎäÆ÷µÄ·¢Õ¹Ë®Æ½£¬º£Ë®ÖÐÓËÒÔUCl4ÐÎʽ´æÔÚ£¬Ã¿¶Öº£Ë®Ö»º¬3.3 mgÓË£¬º£Ë®×ÜÁ¿¼«´ó£¬ÓË×ÜÁ¿Ï൱¾Þ´ó¡£²»ÉÙ¹ú¼ÒÕýÔÚ̽Ë÷º£Ë®ÌáÓ˵ķ½·¨¡£ÏÖÔÚ£¬ÒѾ­ÑÐÖƳɹ¦ÁËÒ»ÖÖòüºÏÐÍÀë×Ó½»»»Ê÷Ö¬£¬ËüרÃÅÎü¸½º£Ë®ÖеÄÓË£¬¶ø²»Îü¸½ÆäËûÔªËØ¡£Æä·´Ó¦Ô­ÀíΪ________£¨Ê÷Ö¬ÓÃHR´úÌ棩£¬·¢ÉúÀë×Ó½»»»ºóµÄÀë×Ó½»»»Ä¤ÓÃËá´¦Àí»¹¿ÉÔÙÉú²¢µÃµ½º¬Ó˵ÄÈÜÒº£¬Æä·´Ó¦Ô­ÀíΪ_______________________________________________________________________________________________________________________________¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 7»¯Ñ§Æ½ºâ״̬µÄ½¨Á¢¼°±êÖ¾Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚºãΡ¢ºãÈÝÏÂ,µ±·´Ó¦ÈÝÆ÷ÄÚ×Üѹǿ²»Ëæʱ¼ä±ä»¯Ê±,ÏÂÁпÉÄæ·´Ó¦Ò»¶¨´ïµ½Æ½ºâµÄÊÇ(¡¡¡¡)

A.A(g)+B(g)C(g)B.A(g)+2B(g)3C(g)

C.A(g)+B(g)C(g)+D(g)D.ÒÔÉ϶¼´ïµ½Æ½ºâ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 5»¯Ñ§·´Ó¦ËÙÂÊÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÌî¿ÕÌâ

ÔÚ2 LÃܱÕÈÝÆ÷ÖнøÐз´Ó¦:mX(g)+nY(g)pZ(g)+qQ(g),ʽÖÐm¡¢n¡¢p¡¢qΪ»¯Ñ§¼ÆÁ¿Êý¡£ÔÚ0~3 minÄÚ,¸÷ÎïÖÊÎïÖʵÄÁ¿µÄ±ä»¯ÈçϱíËùʾ:

¡¡ ÎïÖÊ

ʱ¼ä¡¡

X

Y

Z

Q

Æðʼ/mol

0.7

 

1

 

2 minĩ/mol

0.8

2.7

0.8

2.7

3 minĩ/mol

 

 

0.8

 

 

ÒÑÖª2 minÄÚv(Q)=0.075 mol¡¤L-1¡¤min-1,,

(1)ÊÔÈ·¶¨ÒÔÏÂÎïÖʵÄÏà¹ØÁ¿:

Æðʼʱn(Y)=¡¡¡¡¡¡¡¡,n(Q)=¡¡¡¡¡¡¡¡¡£ 

(2)·½³ÌʽÖÐm=¡¡¡¡¡¡¡¡,n=¡¡¡¡¡¡¡¡,p=¡¡¡¡¡¡¡¡,q=¡¡¡¡¡¡¡¡¡£ 

(3)ÓÃZ±íʾ2 minÄڵķ´Ó¦ËÙÂÊ¡¡¡¡¡¡¡¡¡£ 

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 5»¯Ñ§·´Ó¦ËÙÂÊÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

·´Ó¦4A(s)+3B(g)2C(g)+D(g),¾­2 min BµÄŨ¶È¼õÉÙ0.6 mol¡¤L-1¡£¶Ô´Ë·´Ó¦ËÙÂʵÄÕýÈ·±íʾÊÇ(¡¡¡¡)

A.ÓÃA±íʾµÄ·´Ó¦ËÙÂÊÊÇ0.8 mol¡¤L-1¡¤s-1

B.·Ö±ðÓÃB¡¢C¡¢D±íʾ·´Ó¦µÄËÙÂÊ,Æä±ÈÖµÊÇ3¡Ã2¡Ã1

C.ÔÚ2 minĩʱµÄ·´Ó¦ËÙÂÊ,Ó÷´Ó¦ÎïBÀ´±íʾÊÇ0.3 mol¡¤L-1¡¤min-1

D.ÔÚÕâ2 minÄÚÓÃBºÍC±íʾµÄ·´Ó¦ËÙÂʵÄÖµ¶¼ÊÇÏàͬµÄ

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 4»¯Ñ§·´Ó¦ÈȵļÆËãÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÒÑÖªÏÂÁз´Ó¦µÄ·´Ó¦ÈÈ:

(1)CH3COOH(l)+2O2(g)2CO2(g)+2H2O(l)¡¡¦¤H1=-870.3 kJ¡¤mol-1

(2)C(s)+O2(g)CO2(g)¡¡¦¤H2=-393.5 kJ¡¤mol-1

(3)H2(g)+O2(g)H2O(l)¡¡¦¤H3=-285.8 kJ¡¤mol-1

ÔòÏÂÁз´Ó¦µÄ·´Ó¦ÈÈΪ(¡¡¡¡)

2C(s)+2H2(g)+O2(g)CH3COOH(l)

A.¦¤H=+488.3 kJ¡¤mol-1B.¦¤H=-244.15 kJ¡¤mol-1

C.¦¤H=-977.6 kJ¡¤mol-1D.¦¤H=-488.3 kJ¡¤mol-1

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 3ȼÉÕÈÈ ÄÜÔ´Á·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÒÑÖª:

¢Ù25 ¡æ¡¢101 kPaʱ,2C(s)+O2(g)2CO(g)¡¡¦¤H=-221 kJ¡¤mol-1

¢ÚÏ¡ÈÜÒºÖÐ,H+(aq)+OH-(aq)H2O(l)¡¡¦¤H=-57.3 kJ¡¤mol-1

ÓÖÒÑÖªÈõµç½âÖʵçÀëÎüÈÈ¡£ÏÂÁнáÂÛÕýÈ·µÄÊÇ(¡¡¡¡)

A.CµÄȼÉÕÈÈ´óÓÚ110.5 kJ¡¤mol-1

B.¢ÙµÄ·´Ó¦ÈÈΪ221 kJ¡¤mol-1

C.Ï¡ÁòËáÓëÏ¡NaOHÈÜÒº·´Ó¦µÄÖкÍÈÈΪ-57.3 kJ¡¤mol-1

D.Ï¡´×ËáÓëÏ¡NaOHÈÜÒº·´Ó¦Éú³É1 mol Ë®,·Å³ö57.3 kJÈÈÁ¿

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 22µç½âÔ­ÀíµÄÓ¦ÓÃÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£º¼ÆËãÌâ

Ïò8 gij¶þ¼Û½ðÊôµÄÑõ»¯Îï¹ÌÌåÖмÓÈëÏ¡ÁòËá,ʹÆäÇ¡ºÃÍêÈ«Èܽâ,ÒÑÖªÏûºÄÁòËáµÄÌå»ýΪ100 mL,ÔÚËùµÃÈÜÒºÖвåÈ벬µç¼«½øÐеç½â,ͨµçÒ»¶¨Ê±¼äºó,ÔÚÒ»¸öµç¼«ÉÏÊÕ¼¯µ½224 mL(±ê×¼×´¿ö)ÑõÆø,ÔÚÁíÒ»¸öµç¼«ÉÏÎö³ö¸Ã½ðÊô1.28 g¡£

(1)¸ù¾Ý¼ÆËãÈ·¶¨½ðÊôÑõ»¯ÎïµÄÃû³Æ¡£

(2)ÇóͨµçºóÁòËáÈÜÒºµÄÎïÖʵÄÁ¿Å¨¶È(ÈÜÒºÌå»ý°´100 mL¼ÆËã)¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º2014Äê¸ß¶þ»¯Ñ§È˽̰æÑ¡ÐÞËÄ 19Ò»´Îµç³Ø ¶þ´Îµç³ØÁ·Ï°¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

Ŧ¿Ûµç³Ø¿ÉÓÃÓÚ¼ÆËãÆ÷¡¢µç×Ó±íµÈµÄµçÔ´¡£ÓÐÒ»ÖÖŦ¿Ûµç³Ø,Æäµç¼«·Ö±ðΪZnºÍAg2O,ÒÔKOHÈÜҺΪµç½âÖÊÈÜÒº,µç³ØµÄ×Ü·´Ó¦ÎªZn+Ag2O+H2O2Ag+Zn(OH)2¡£¹ØÓڸõç³ØµÄÐðÊö²»ÕýÈ·µÄÊÇ(¡¡¡¡)

 

A.ʹÓÃʱµç×ÓÓÉZn¼«¾­Íâµç·Á÷ÏòAg2O¼«,ZnÊǸº¼«

B.ʹÓÃʱµç×ÓÓÉAg2O¼«¾­Íâµç·Á÷ÏòZn¼«,Ag2OÊǸº¼«

C.Õý¼«µÄµç¼«·´Ó¦ÎªAg2O+2e-+H2O2Ag+2OH-

D.Zn¼«·¢ÉúÑõ»¯·´Ó¦,Ag2O¼«·¢Éú»¹Ô­·´Ó¦

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸