[2012¡¤±±¾©·ą́һģ]¸ù¾ÝµâÓëÇâÆø·´Ó¦µÄÈÈ»¯Ñ§·½³Ìʽ£¬ÏÂÁÐÅжÏÕýÈ·µÄÊÇ£¨   £©
¢Ù I2(g)£«H2(g)  2HI(g) ¡÷H£½£­9.48 kJ¡¤mol-1 
¢Ú I2(s)£«H2(g)  2HI(g) ¡÷H£½£«26.48 kJ¡¤mol-1
A£®254g I2(g)ÖÐͨÈë2g H2(g)£¬·´Ó¦·ÅÈÈ9.48 kJ
B£®µ±·´Ó¦¢ÚÎüÊÕ52.96kJÈÈÁ¿Ê±×ªÒÆ2moleÒ»
C£®·´Ó¦¢ÚµÄ·´Ó¦Îï×ÜÄÜÁ¿±È·´Ó¦¢ÙµÄ·´Ó¦Îï×ÜÄÜÁ¿µÍ
D£®1 mol¹Ì̬µâÓë1 molÆø̬µâËùº¬ÄÜÁ¿Ïà²î17.00 kJ
C
µâÓëÇâÆøµÄ·´Ó¦Îª¿ÉÄæ·´Ó¦£¬¹Ê254g I2(g)ÖÐͨÈë2g H2(g)£¬·´Ó¦·Å³öµÄÈÈÁ¿Ð¡ÓÚ9.48 kJ£¬AÏî´í£»µ±·´Ó¦¢ÚÎüÊÕ52.96kJÈÈÁ¿Ê±×ªÒƵç×ÓµÄÎïÖʵÄÁ¿Ó¦Îª4mol£¬BÏî´í£»Í¬ÖÖÎïÖÊÔÚ¹Ì̬ʱËù¾ßÓеÄÄÜÁ¿µÍÓÚÆø̬ʱËù¾ßÓеÄÄÜÁ¿£¬¹ÊCÏîÕýÈ·£»¸ù¾Ý¸Ç˹¶¨ÂÉ£º¢Ú£­¢ÙµÃ£ºI2(s)£½I2(g) ¡÷H£½£«35.96 kJ¡¤mol-1£¬¹Ê1 mol¹Ì̬µâÓë1 molÆø̬µâËùº¬ÄÜÁ¿Ïà²î35.96 kJ£¬DÏî´í¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÔÚͬΡ¢Í¬Ñ¹Ï£¬ÏÂÁи÷×éÈÈ»¯Ñ§·½³ÌʽÖУ¬¡÷H1£¾¡÷H2µÄÊÇ
A£®2H2O(g) £½ 2H2(g) £« O2(g)¡÷H1
2H2O(l) £½ 2H2(g) £« O2(g)¡÷H2
B£®S (g) £« O 2(g) £½ SO2(g)¡÷H1
S (s) £« O 2(g) £½ SO2(g)¡÷H2
C£®2C (s) £« O 2(g) £½ 2CO (g)¡÷H1
2C (s) £« 2O 2(g) £½ 2CO2 (g)¡÷H2
D£®H2(g) £« Cl2(g) £½ 2HCl(g)¡÷H1
2HCl(g) £½ H2(g) £« Cl2(g)        ¡÷H2

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

¸ù¾Ý¸Ç˹¶¨ÂÉÅжÏÈçÏÂͼËùʾµÄÎïÖÊת±ä¹ý³ÌÖУ¬ÕýÈ·µÄµÈʽÊÇ(¡¡¡¡)
A£®¦¤H1£½¦¤H2£½¦¤H3£½¦¤H4B£®¦¤H1£«¦¤H2£½¦¤H3£«¦¤H4
C£®¦¤H1£«¦¤H2£«¦¤H3£½¦¤H4D£®¦¤H1£½¦¤H2£«¦¤H3£«¦¤H4

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

£¨7·Ö£©°Ñú×÷ΪȼÁÏ¿Éͨ¹ýÏÂÁÐÁ½ÖÖ;¾¶£º
;¾¶I£ºÃºÖ±½ÓȼÉÕC(s) +O2 (g) == CO2(g)  ¡÷H1<0        ¢Ù
;¾¶II£ºÏÈÖƳÉˮúÆø£ºC(s) +H2O(g) == CO(g)+H2(g) ¡÷H2>0 ¢Ú
ÔÙȼÉÕˮúÆø£º2CO(g)+O2(g) == 2CO2(g) ¡÷H3<0           ¢Û
2H2(g)+O2 (g) == 2H2O(g)  ¡÷H4<0                         ¢Ü
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
(1)ȼÉÕµÈÁ¿µÄú£¬Í¾¾¶I·Å³öµÄÈÈÁ¿       (Ìî¡°´óÓÚ¡±¡°µÈÓÚ¡±»ò¡°Ð¡ÓÚ¡±);¾¶II·Å³öµÄÈÈÁ¿£¬ÆäÀíÂÛÒÀ¾ÝÊÇ                                                £»
(2) ¡÷H1¡¢¡÷H2¡¢¡÷H3¡¢¡÷H4µÄÊýѧ¹ØϵʽÊÇ                    ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

£¨8·Ö£©Ì¼ÊÇ»¯ºÏÎïÖÖÀà×î¶àµÄÔªËØ£¬Æäµ¥Öʼ°»¯ºÏÎïÊÇÈËÀàÉú²úÉú»îµÄÖ÷ÒªÄÜÔ´ÎïÖÊ¡£
£¨1£©Ê¹Cl2ºÍH2O(g)ͨ¹ý×ÆÈȵÄÌ¿²ã£¬Éú³ÉHClºÍCO2£¬µ±ÓÐ1molCl2²ÎÓ뷴ӦʱÊͷųö145kJÈÈÁ¿£¬Ð´³ö¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³Ìʽ£º                        ¡£
£¨2£©¿Æѧ¼ÒÀûÓÃÌ«ÑôÄÜ·Ö½âË®Éú³ÉµÄÇâÆøÔÚ´ß»¯¼Á×÷ÓÃÏÂÓë¶þÑõ»¯Ì¼·´Ó¦Éú³É¼×´¼¡£ÒÑÖªH2(g)¡¢CO(g)ºÍCH3OH(l)µÄȼÉÕÈȦ¤H·Ö±ðΪ£­285.8kJ¡¤mol-1¡¢£­283.0kJ¡¤mol-1ºÍ£­726.5kJ¡¤mol-1¡£Ôò£º
¢ÙÓÃÌ«ÑôÄÜ·Ö½â10molË®ÏûºÄµÄÄÜÁ¿ÊÇ_____________kJ£»
¢Ú¼×´¼²»ÍêȫȼÉÕÉú³ÉÒ»Ñõ»¯Ì¼ºÍҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽΪ_______    ____    ¡£
£¨3£©ÒÑÖª£ºFe2O3(s)£«3C(ʯī)£½2Fe(s)£«3CO(g) ¡÷H£½£«489.0 kJ¡¤mol-1
CO(g)£«O2(g) £½CO2(g)£¬¡÷H£½£­283.0 kJ¡¤mol-1
C(ʯī)£«O2(g) £½CO2(g)£¬¡÷H£½£­393.5 kJ¡¤mol-1
Ôò4Fe(s)£«3O2(g) £½2Fe2O3(s)£¬¡÷H£½         ¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÒÑÖª£º2CO(g) + O2(g) = 2CO2(g)¡¡¦¤H="-566" kJ¡¤mol-1
N2(g) + O2(g) =2NO(g)¡¡¦¤H="+180" kJ¡¤mol-1
Ôò2CO(g) +2NO(g) = N2(g)+2CO2(g)µÄ¦¤HÊÇ
A£®-386kJ¡¤mol-1B£®+386kJ¡¤mol-1C£®-D£®+746kJ¡¤mol-1

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºÊµÑéÌâ

£¨6·Ö£©ÊµÑéÊÒÓÃ50 mL 0.50 mol¡¤L£­1ÑÎËá¡¢50 mL 0.55 mol¡¤L£­1 NaOH£¬ÀûÓÃÈçͼװÖýøÐÐÖкÍÈȵIJⶨ£¬Çë»Ø´ðÏÂÁÐÎÊÌ⣺

(1) ²»ÄÜÓÃÍ­Ë¿½Á°è°ô´úÌæ»·Ðβ£Á§½Á°è°ôµÄÀíÓÉÊÇ_________¡£
(2)ÈçÓÃ0.50 mol¡¤L£­1ÑÎËáÓëNaOH¹ÌÌå½øÐÐʵÑ飬ÔòʵÑéÖвâµÃµÄ¡°ÖкÍÈÈ¡±ÊýÖµ½«________(Ìî¡°Æ«´ó¡±¡¢¡°Æ«Ð¡¡±¡¢¡°²»±ä¡±)
(3)ʵÑéµÃµ½±íÖеÄÊý¾Ý£º
ʵÑé´ÎÊý
ÆðʼζÈt1/¡æ
ÖÕֹζÈt2/¡æ
ÑÎËá
NaOHÈÜÒº
1
20.2
20.3
23.7
2
20.3
20.5
23.8
3
21.5
21.6
24.9
¾­Êý¾Ý´¦Àí£¬t2£­t1£½3.4¡æ¡£Ôò¸ÃʵÑé²âµÃµÄÖкÍÈÈ    ¦¤H £½________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

¸ù¾ÝÈÈ»¯Ñ§·½³Ìʽ(ÔÚ101kPaʱ)£ºS(s)+O2(g)==SO2(g)£»¡÷H=£­297.23kJ£¯mol£¬·ÖÎöÏÂÁÐ˵·¨Öв»ÕýÈ·µÄÊÇ
A£®SµÄȼÉÕÈÈΪ297£®23kJ£¯mo1
B£®S(g)+O2(g)===SO2(g)·Å³öµÄÈÈÁ¿´óÓÚ297£®23kJ
C£®S(g)+O2(g)==SO2(g)·Å³öµÄÈÈÁ¿Ð¡ÓÚ297£®23kJ
D£®ÐγÉ1mol SO2(g)µÄ»¯Ñ§¼üËùÊͷŵÄ×ÜÄÜÁ¿´óÓÚ¶ÏÁÑ1molS(s)ºÍlmolO2(g)µÄ»¯Ñ§¼üËùÎüÊÕµÄ×ÜÄÜÁ¿

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÒÑÖª£ºH2O(g)==H2O(l) ¡÷H1=£­Q1 kJ¡¤mol£­1(Q1£¾0)
C2H5OH(g)==C2H5OH(l) ¡÷H2=£­Q2 kJ¡¤mol£­1(Q2£¾0)
C2H5OH(g)+3O2(g)==2CO2(g)+3H2O(g) ¡÷H3=£­Q3kJ¡¤mol£­1(Q3£¾0)
ÒÀ¾Ý¸Ç˹¶¨ÂÉ£¬Èôʹ23gҺ̬ÒÒ´¼ÍêȫȼÉÕ²¢»Ö¸´ÖÁÊÒΣ¬Ôò·Å³öµÄÈÈÁ¿Îª(µ¥Î»£ºkJ)
A£®Q1+Q2+Q3B£®0.5(Q1+Q2+Q3)C£®0.5Q1£­1.5Q2+0.5Q3D£®1.5Q1£­0.5Q2+0.5Q3

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸