ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿£¨1£©ÒÑÖª£ºTiO2(s)£«2Cl2 (g)£«2C(s)£½TiCl4(l)£«2CO(g) ¡÷H£½£­81 kJ¡¤mol£­1

2C(s)£«O2(g)£½2CO(g) ¡÷H£½£­221 kJ¡¤mol£­1

д³öTiO2ºÍCl2·´Ó¦Éú³ÉTiCl4ºÍO2µÄÈÈ»¯Ñ§·½³Ìʽ£º______________________¡£

£¨2£©ÌúÊÇÓ¦ÓÃ×î¹ã·ºµÄ½ðÊô£¬ÌúµÄ±»¯Îï¡¢Ñõ»¯ÎïÒÔ¼°¸ß¼ÛÌúµÄº¬ÑõËáÑξùΪÖØÒª»¯ºÏÎï¡£¸ß¯Á¶ÌúÊÇÒ±Á¶ÌúµÄÖ÷Òª·½·¨£¬·¢ÉúµÄÖ÷Òª·´Ó¦Îª£º

Fe2O3(s)+3CO(g) 2Fe(s)+3CO2(g) ¦¤H = a kJ mol£­1

ÒÑÖª£º ¢ÙFe2O3(s)+3C(ʯī) = 2Fe(s)+3CO(g) ¦¤H1 = + 489.0 kJ mol£­1

¢ÚC(ʯī)+CO2(g) = 2CO(g) ¦¤H2 = + 172.5 kJ mol£­1

Ôòa =______kJ mol£­1¡£

¡¾´ð°¸¡¿TiO2(s)£«2Cl2(g)£½TiCl4(l)£«O2(g) ¡÷H£½£«140 kJ¡¤mol£­1 -28.5

¡¾½âÎö¡¿

¸ù¾Ý¸Ç˹¶¨ÂÉ·ÖÎö½â´ð¡£

(1)¸ù¾Ý¸Ç˹¶¨ÂÉ¿ÉÖª£¬½«·´Ó¦¢ÙTiO2(s)+2Cl2 (g)+2C(s)=TiCl4(l)+2CO(g)¡÷H=-81kJmol-1ºÍ·´Ó¦¢Ú2C(s)+O2(g)=2CO(g)¡÷H=-221kJmol-1Ïà¼õ¿ÉµÃTiO2ºÍCl2·´Ó¦Éú³ÉTiCl4ºÍO2µÄÈÈ»¯Ñ§·½³ÌʽΪTiO2(s)+2Cl2(g)=TiCl4(l)+O2(g)¡÷H=+140kJmol-1£¬¹Ê´ð°¸Îª£ºTiO2(s)+2Cl2(g)=TiCl4(l)+O2(g)¡÷H=+140kJmol-1£»

(2)¢ÙFe2O3(s)+3C(ʯī)=2Fe(s)+3CO(g) ¡÷H1=+489.0kJmol-1£¬¢ÚC(ʯī)+CO2(g)=2CO(g) ¡÷H2=+172.5kJmol-1£¬ÓɸÇ˹¶¨ÂÉ£¬½«¢Ù-¢Ú¡Á3µÃµ½Fe2O3(s)+3CO(g)2Fe(s)+3CO2(g) ¡÷H=(+489.0kJmol-1)-(+172.5kJmol-1)¡Á3=-28.5kJmol-1£¬¼´a=-28.5£¬¹Ê´ð°¸Îª£º-28.5¡£

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿ÖкÍÈȵIJⶨÊǸßÖÐÖØÒªµÄ¶¨Á¿ÊµÑ顣ȡ0.55mol/LµÄNaOHÈÜÒº50mLÓë0.25mol/LµÄÁòËá50mLÖÃÓÚͼËùʾµÄ×°ÖÃÖнøÐÐÖкÍÈȵIJⶨʵÑ飬»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©´ÓÉÏͼʵÑé×°Öÿ´£¬ÆäÖÐÉÐȱÉÙµÄÒ»ÖÖ²£Á§ÓÃÆ·ÊÇ__________________________¡£

£¨2£©Èô¸ÄÓÃ60mL 0.25mol¡¤L-1H2SO4ºÍ50mL 0.55mol¡¤L-1NaOHÈÜÒº½øÐз´Ó¦ÓëÉÏÊöʵÑéÏà±È£¬Ëù·Å³öµÄÈÈÁ¿___________£¨Ìî¡°ÏàµÈ¡±¡¢¡°²»ÏàµÈ¡±£©£¬ÈôʵÑé²Ù×÷¾ùÕýÈ·£¬ÔòËùÇóÖкÍÈÈ__________Ìî¡°ÏàµÈ¡±¡°²»ÏàµÈ¡±£©¡£

£¨3£©µ¹ÈëNaOHÈÜÒºµÄÕýÈ·²Ù×÷ÊÇ£º________¡£ (´ÓÏÂÁÐÑ¡³ö)¡£

A£®Ñز£Á§°ô»ºÂýµ¹Èë¡¡ B£®·ÖÈý´ÎÉÙÁ¿µ¹Èë C£®Ò»´ÎѸËÙµ¹Èë

£¨4£©Ê¹ÁòËáÓëNaOHÈÜÒº»ìºÏ¾ùÔȵÄÕýÈ·²Ù×÷ÊÇ£º________¡£ (´ÓÏÂÁÐÑ¡³ö)¡£

A£®ÓÃζȼÆСÐĽÁ°è B£®½Ò¿ªÓ²Ö½Æ¬Óò£Á§°ô½Á°è

C£®ÇáÇáµØÕñµ´ÉÕ±­ D£®ÓÃÌ×ÔÚζȼÆÉϵĻ·Ðβ£Á§½Á°è°ôÇáÇáµØ½Á¶¯

£¨5£©ÊµÑéÊý¾ÝÈçÏÂ±í£º¢ÙÇëÌîдϱíÖеĿհףº

ζÈ

ʵÑé´ÎÊý¡¡

ÆðʼζÈt1¡æ

ÖÕֹζÈt2/¡æ

ζȲîƽ¾ùÖµ

(t2£­t1)/¡æ

H2SO4

NaOH

ƽ¾ùÖµ

1

26.2

26.0

26.1

29.5

______

2

27.0

27.4

27.2

32.3

3

25.9

25.9

25.9

29.2

4

26.4

26.2

26.3

29.8

¢Ú½üËÆÈÏΪ0.55 mol/L NaOHÈÜÒººÍ0.25 mol/LÁòËáÈÜÒºµÄÃܶȶ¼ÊÇ1 g/cm3£¬ÖкͺóÉú³ÉÈÜÒºµÄ±ÈÈÈÈÝc£½4.18 J/(g¡¤¡æ)¡£ÔòÖкÍÈȦ¤H£½___________ ( ȡСÊýµãºóһλ)¡£

¢ÛÉÏÊöʵÑéÊýÖµ½á¹ûÓë57.3 kJ/molÓÐÆ«²î£¬²úÉúÆ«²îµÄÔ­Òò¿ÉÄÜÊÇ(Ìî×Öĸ)_________¡£

a£®ÊµÑé×°Öñ£Î¡¢¸ôÈÈЧ¹û²î

b£®ÓÃζȼƲⶨNaOHÈÜÒºÆðʼζȺóÖ±½Ó²â¶¨H2SO4ÈÜÒºµÄζÈ

c£®·Ö¶à´Î°ÑNaOHÈÜÒºµ¹ÈëÊ¢ÓÐÁòËáµÄСÉÕ±­ÖÐ

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø