¡¾ÌâÄ¿¡¿100¡æʱ£¬ÔÚ1 LºãκãÈݵÄÃܱÕÈÝÆ÷ÖУ¬Í¨Èë0.1molN2O4£¬·¢Éú·´Ó¦£ºN2O4(g)2NO2(g)¦¤H=+57.0kJ¡¤mol-1£¬NO2ºÍN2O4µÄŨ¶ÈËæʱ¼ä±ä»¯Çé¿öÈçͼËùʾ¡£

¢ñ.£¨1£©ÔÚ0~60 sÄÚ£¬ÒÔN2O4±íʾµÄƽ¾ù·´Ó¦ËÙÂÊΪ____mol¡¤L-1¡¤s-1¡£

£¨2£©·´Ó¦½øÐе½100sʱ£¬ÈôÖ»ÓÐÒ»ÏîÌõ¼þ·¢Éú±ä»¯£¬Ôò±ä»¯µÄÌõ¼þ¿ÉÄÜÊÇ____¡£

A£®½µµÍÎÂ¶È B£®Í¨È뺤Æø

C£®ÓÖÍùÈÝÆ÷ÖгäÈëN2O4 D£®Ôö´óÈÝÆ÷ÈÝ»ý

£¨3£©ÒÑÖª£º N2(g)+2O2(g)=2NO2(g) ¦¤H=+67.2kJ¡¤mol-1£¬N2H4(g)+O2(g)=N2(g)+2H2O(g) ¦¤H=-534.7kJ¡¤mol-1£¬N2O4(g)=2NO2(g) ¦¤H=+57.0kJ¡¤mol-1£¬Ôò2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g) ¦¤H=____kJ¡¤mol-1¡£

¢ò.ÏòÈÝ»ýΪ2 LµÄÃܱÕÈÝÆ÷ÖÐͨÈëÒ»¶¨Á¿µÄCOºÍH2O£¬·¢Éú·´Ó¦£ºCO(g)+H2O(g)H2(g)+CO2(g)¡£

£¨4£©±£³ÖÆäËûÌõ¼þ²»±ä£º

¢ÙÈôÏòƽºâÌåϵÖÐÔÙͨÈë0.20molH2O(g)£¬Æ½ºâ½«___(Ìî¡°ÏòÓÒ¡±¡¢¡°Ïò×ó¡±»ò¡°²»¡±)Òƶ¯£¬´ïµ½ÐµÄƽºâ״̬ºó£¬H2O(g)µÄÌå»ý·ÖÊý½«____(¡°±ä´ó¡±¡¢¡°±äС¡±»ò¡°²»±ä¡±)£»

¢ÚÔÚVLÃܱÕÈÝÆ÷ÖÐͨÈë10molCOºÍ10molH2O(g)·¢ÉúÉÏÊö·´Ó¦£¬ÔÚT¡æ´ïµ½Æ½ºâ£¬È»ºó¼±ËÙ³ýȥˮÕôÆø(³ýË®ÕôÆøʱÆäËû¸÷³É·ÖµÄÎïÖʵÄÁ¿²»±ä)£¬½«»ìºÏÆøÌåȼÉÕ£¬²âµÃ·Å³öµÄÈÈÁ¿Îª2842kJ(ÒÑÖªCOµÄȼÉÕÈÈΪ283kJ¡¤mol-1£¬H2µÄȼÉÕÈÈΪ286kJ¡¤mol-1)£¬ÔòT¡æƽºâ³£ÊýK=____¡££¨¾«È·µ½Ð¡ÊýµãºóÁ½Î»£©

¡¾´ð°¸¡¿1¡Á10-3 A -1079.6 ÏòÓÒ ±ä´ó 0.44

¡¾½âÎö¡¿

ÓÉͼ¼×¿ÉÖª£¬Æðʼʱc£¨N2O4£©=0.1mol/L£¬60Ãëʱ·´Ó¦´¦ÓÚƽºâ״̬ʱc£¨N2O4£©=0.04mol/L£¬c£¨NO2£©=0.12mol/L£¬

£¨1£©¸ù¾Ýv=¡÷c/¡÷t¼ÆËã·´Ó¦ËÙÂÊ£»

(2).¸ù¾ÝƽºâÒƶ¯¼°¸÷Á¿µÄ±ä»¯Çé¿ö½øÐÐÅжϣ»

£¨3£©¸ù¾Ý¸Ç˹¶¨ÂɼÆËã³ö·´Ó¦ÈÈ£¬Ð´³öÈÈ»¯Ñ§·½³Ìʽ

£¨4£©CO¡¢H2µÄÎïÖʵÄÁ¿¸÷Ϊ10mol£¬¸ù¾ÝȼÉշųöµÄÈÈÁ¿Çó³öCO¡¢H2¸÷×ÔµÄÎïÖʵÄÁ¿£¬ÀûÓÃÈý¶Îʽ·¨Çó³öƽºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿£¬´úÈëƽºâ³£Êý¼ÆË㣮

¢ñÓÉͼ¼×¿ÉÖª£¬Æðʼʱc(N2O4)=0.1mol/L£¬60Ãëʱ·´Ó¦´¦ÓÚƽºâ״̬ʱc(N2O4)=0.04mol/L£¬c(NO2)=0.12mol/L£¬(1)¸ù¾Ýv=¡÷c/¡÷t£¬ÒÔN2O4±íʾµÄƽ¾ù·´Ó¦ËÙÂÊΪ£¨0.1mol/L0.04mol/L£©60s=1¡Á10-3mol/(Ls)£¬

¹Ê´ð°¸ÎªÎª£º1¡Á103£»

£¨2£©A. ¸Ã·´Ó¦ÊÇÎüÈÈ·´Ó¦£¬½µµÍζȣ¬Æ½ºâ×óÒÆ£¬c(NO2)¼õС£¬c(N2O4)Ôö´ó£¬ÓëͼÏñÏà·û£¬¹ÊAÑ¡£»

B. ºãκãÈÝͨÈ뺤Æø£¬Æ½ºâ²»Òƶ¯£¬¸÷×é·ÖŨ¶È²»±ä£¬ÓëͼÏñ²»·û£¬¹ÊB²»Ñ¡£»

C£®ÓÖÍùÈÝÆ÷ÖгäÈëN2O4£¬100sʱN2O4Ũ¶ÈÔö´ó£¬c(NO2)Ò²Ôö´ó£¬N2O4Ũ¶ÈÇúÏßÓ¦¶Ï¿ª£¬ºÍͼÏñ²»·û£¬¹ÊC²»Ñ¡£»

D. Ôö´óÈÝÆ÷Ìå»ý£¬¸÷×é·ÖµÄŨ¶È¶¼¼õС£¬ºÍͼÏñ²»·û£¬¹ÊD²»Ñ¡£»

¹ÊÑ¡A¡£

£¨3£©¢ÙN2(g)+2O2(g)=2NO2(g) ¦¤H=+67.2kJ¡¤mol-1.

¢ÚN2H4(g)+O2(g)=N2(g)+2H2O(g) ¦¤H=-534.7kJ¡¤mol-1£¬

¢ÛN2O4(g)=2NO2(g) ¦¤H=+57.0kJ¡¤mol-1

¸ù¾Ý¸Ç˹¶¨ÂÉ,¢Ú¡Á2¢Ù+¢Û¿Éд³öÈÈ»¯Ñ§·½³Ìʽ2N2H4(g)+N2O4(g)=3N2(g)+4H2O(g) ¡÷H=534.7kJmol1¡Á267.2kJmol1+57.0kJmol1=1079.6kJmol1£¬

¹Ê´ð°¸Îª£º1079.6.

¢ò¢Ù±£³ÖÆäËûÌõ¼þ²»±ä£¬ÏòƽºâÌåϵÖÐÔÙͨÈë0.20 mol HO(g)£¬ÓëԭƽºâÏà±ÈƽºâÏòÓÒÒƶ¯£¬µ«ÓÉÓÚͨÈëÁËHO(g)£¬¹Ê´ïµ½ÐµÄƽºâ״̬ºó£¬HO(g)µÄÌå»ý·ÖÊý±ä´ó£»

¢ÚÓÉ·½³ÌʽCO(g)+H2O(g)H2(g)+CO2(g)¿ÉÖª£¬1molCO·´Ó¦Éú³É1molH2,¿ªÊ¼Í¨Èë10molCO£¬Æ½ºâʱCO¡¢H2µÄÎïÖʵÄÁ¿Ö®ºÍΪ10mol

ÉèCO¡¢H2ÎïÖʵÄÁ¿Îªx¡¢y£¬Ôò£º£¬

½âµÃ£º£¬

ÀûÓÃÈý¶Îʽ·¨Çó³öƽºâʱ¸÷×é·ÖµÄÎïÖʵÄÁ¿£¬

CO(g)+H2O(g)H2(g)+CO2(g)£¬

Æðʼ£º10mol10mol00

ת»¯£º4mol4mol4mol4mol

ƽºâ£º6mol6mol4mol4molËùÒÔT¡æʱ·´Ó¦µÄƽºâ³£ÊýΪ£ºK===0.44

¹Ê´ð°¸Îª£º0.44

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿Áи÷×éÀë×ÓÒ»¶¨ÄÜÔÚÖ¸¶¨»·¾³ÖдóÁ¿¹²´æµÄÊÇ£¨ £©

A£®ÔÚc(H+)=10-10 mol/LµÄÈÜÒºÖÐ Al3+ ¡¢NH ¡¢Cl£­ ¡¢NO

B£®pHֵΪ13µÄÈÜÒº K+ ¡¢SO¡¢Na+¡¢S2-

C£®Ë®µçÀë³öÀ´µÄc(H+)=10£­12mol/LµÄÈÜÒº K+¡¢NH4+¡¢Cl£­¡¢ClO-

D£®¼×»ù³È³ÊºìÉ«µÄÈÜÒºÖÐ Fe3+¡¢Na+ ¡¢SO42-¡¢CO

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿CO2¾­´ß»¯¼ÓÇâ¿ÉºÏ³ÉÒÒÏ©£º2CO2 (g) +6H2 (g) C2H4(g)+4H2O(g)¡£0.1 MPaʱ£¬°´n(CO2)£ºn(H2)=l£º3ͶÁÏ£¬²âµÃ²»Í¬Î¶ÈÏÂƽºâʱÌåϵÖи÷ÎïÖÊŨ¶ÈµÄ¹ØϵÈçͼ¡£ÏÂÁÐÐðÊö²»ÕýÈ·µÄÊÇ

A. ¸Ã·´Ó¦µÄ¡÷H<0

B. ÇúÏßb´ú±íH2O

C. NµãºÍMµãËù´¦×´Ì¬µÄc(H2)²»Ò»Ñù

D. ÆäËüÌõ¼þ²»±ä£¬T1¡æ¡¢0.2 MPaÏ·´Ó¦´ïƽºâʱc(H2)±ÈMµã´ó

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÓÃCaSO4´úÌæO2ÓëȼÁÏ·´Ó¦ÊÇÒ»ÖÖ¸ßЧ¡¢Çå½à¡¢¾­¼ÃµÄÐÂÐÍȼÉÕ¼¼Êõ£¬Èçͼ1Ëùʾ¡£

ȼÉÕÆ÷Öз´Ó¦¢Ù 1/4CaSO4(s£© + H2(g£© = 1/4CaS(s£© + H2O(g£© ¡÷H1 (Ö÷·´Ó¦£©

·´Ó¦¢Ú CaSO4(s£© + H2(g£© = CaO(s£© + SO2£¨g£©+ H2O(g£© ¡÷H2 (¸±·´Ó¦£©

ÔÙÉúÆ÷Öз´Ó¦£º1/2 CaS(s£© + O2(g£© = 1/2CaSO4(s£© ¡÷H3

£¨1£©Æø»¯·´Ó¦Æ÷Öз¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽÊÇ_____________________¡£

£¨2£©È¼ÉÕÆ÷ÖÐSO2ÎïÖʵÄÁ¿·ÖÊýËæζÈT¡¢Ñ¹Ç¿p (MPa£©µÄ±ä»¯ÇúÏß¼ûͼ2£¬´Óͼ2ÖпÉÒԵóöÈýÌõÖ÷Òª¹æÂÉ£º

¢ÙÆäËûÌõ¼þ²»±ä£¬Î¶ÈÔ½¸ß£¬SO2º¬Á¿Ô½¸ß£»

¢Ú________________________________________________________£»

¢Û_________________________________________________________£»

ÓÉͼ2£¬Îª¼õÉÙSO2µÄÅÅ·ÅÁ¿£¬¿É²ÉÈ¡µÄ´ëÊ©ÊÇ______________________¡£

£¨3£©¸ÃȼÉÕ¼¼ÊõÖпÉÑ­»·µÄÎïÖʳýCaSO4¡¢CaSÍ⣬»¹ÓÐ_________£¨Ð´Ãû³Æ£©¡£

£¨4£©ÔÚÒ»¶¨Ìõ¼þÏ£¬CO¿ÉÓë¼×±½·´Ó¦£¬ÔÚÆä±½»·¶ÔλÉÏÒýÈëÒ»¸öÈ©»ù£¬²úÎïµÄ½á¹¹¼òʽΪ___________¡£

£¨5£©Óû²ÉÓÃÂÈ»¯îÙ£¨PdCl2£©ÈÜÒº³ýÈ¥H2ÖеÄCO£¬Íê³ÉÒÔÏÂʵÑé×°ÖÃͼ£º

£¨×¢£ºCO + PdCl2 + H2O £½ CO2+ Pd + 2HCl£©______________________

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÓÃʯīµç¼«Íê³ÉÏÂÁеç½âʵÑé

ʵÑéÒ»

ʵÑé¶þ

×°ÖÃ

ÏÖÏó

a¡¢d´¦ÊÔÖ½±äÀ¶;b´¦±äºì,¾Ö²¿ÍÊÉ«;c´¦ÎÞÃ÷ÏԱ仯

Á½¸öʯīµç¼«¸½½üÓÐÆøÅݲúÉú;n´¦ÓÐÆøÅݲúÉú¡­¡­

ÏÂÁжÔʵÑéÏÖÏóµÄ½âÊÍ»òÍƲⲻºÏÀíµÄÊÇ£¨ £©

A. a¡¢d´¦£º2H2O+2e-=H2¡ü+2OH- B. b´¦£º2Cl--2e-=Cl2¡ü

C. c´¦·¢ÉúÁË·´Ó¦£ºFe-2e-=Fe2+ D. ¸ù¾ÝʵÑéÒ»µÄÔ­Àí,ʵÑé¶þÖÐm´¦ÄÜÎö³öÍ­

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÈçͼËùʾCalanolide AÊÇÒ»ÖÖ¿¹HIVÒ©Îï¡£ÏÂÁйØÓÚCalanolide AµÄ˵·¨ÕýÈ·µÄÊÇ

A.·Ö×ÓÖÐÓÐ3¸öÊÖÐÔ̼ԭ×Ó

B.·Ö×ÓÖÐËùÓÐ̼ԭ×ÓÒ»¶¨ÔÚͬһƽÃæÉÏ

C.¸ÃÎïÖÊ¿É·¢ÉúÈ¡´ú¡¢¼Ó³É¡¢ÏûÈ¥·´Ó¦

D.1 mol¸ÃÎïÖÊÓëNaOHÈÜÒº³ä·Ö·´Ó¦×î¶àÏûºÄ3 mol NaOH

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÔªËØîæ(Ce)ÊÇÒ»ÖÖÖØÒªµÄÏ¡ÍÁÔªËØ¡£

(1) ¹¤ÒµÉÏÓ÷ú̼îæ¿ó(Ö÷Òª³É·ÖΪCeFCO3)ÖƱ¸CeO2¡£±ºÉÕ¹ý³ÌÖз¢ÉúµÄÖ÷Òª·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ________¡£

(2) ÒÑÖªCeCl3¡¤7H2OÔÚ¿ÕÆøÖÐÒ×±»Ñõ»¯³ÉËļÛî棬·´Ó¦ÈçÏ£º

¢Ù CeCl3¡¤7H2O(s)=CeCl3(s)£«7H2O(g)£»¦¤H1£½a kJ¡¤mol£­1

¢Ú 4CeCl3(s)£«O2(g)£«14H2O(g)=4Ce(OH)4(s)£«12HCl(g)£»¦¤H2£½b kJ¡¤mol£­1

¢Û Ce(OH)4(s)=CeO2(s)£«2H2O(g)£»¦¤H3£½c kJ¡¤mol£­1

Ôò4CeCl3¡¤7H2O(s)£«O2(g)=4CeO2(s)£«12HCl(g)£«22H2O(g)£»¦¤H£½________¡£

(3) CeO2ÊÇÆû³µÎ²Æø¾»»¯´ß»¯¼ÁÖÐ×îÖØÒªµÄÖú¼Á£¬¹¤×÷Ô­ÀíÈçͼ1Ëùʾ¡£Ð´³ö¹ý³Ì1·¢Éú·´Ó¦µÄ»¯Ñ§·½³Ìʽ£º________________________________¡£

(4) ÒÑÖªCe(OH)4¼«Ò׷ֽ⣬ÓÃÈçͼ2ËùʾװÖõç½âCeCl3ÈÜÒºÔÚÒõ¼«ÇøÖƵÃCeO2¡£µç½â¹ý³ÌÖз´Ó¦ÌåϵµÄpHËæʱ¼ätµÄ±ä»¯ÇúÏßÈçͼ3Ëùʾ¡£

¢Ùµç½â½øÐÐ1hÄÚÈÜÒºµÄpHѸËÙϽµ£¬¿ÉÄÜÔ­ÒòÊÇ________¡£

¢ÚÇë½âÊÍÉú³ÉCeO2µÄÔ­Àí£º________¡£

(5) ³£ÎÂÏ£¬µ±ÈÜÒºÖÐijÀë×ÓŨ¶È¡Ü1.0¡Á10£­5ʱ£¬¿ÉÈÏΪ¸ÃÀë×Ó³ÁµíÍêÈ«¡£ÓÃNa2C2O4ÈÜÒº¶Ôµç½âºóµÄ·ÏÒº´¦ÀíµÃµ½Ce2(C2O4)3¹ÌÌ壬ÔòÓ¦±£³ÖÈÜÒºÖÐc(C2O42£­)ԼΪ________¡£(ÒÑÖª25 ¡æʱ£¬Ksp[Ce2(C2O4)3]£½1.0¡Á10£­25)

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿¸ù¾ÝÏÂͼ£¬»Ø´ðÎÊÌâ¡£

£¨1£©BÖÐËùº¬¹ÙÄÜÍŵÄÃû³ÆÊÇ£º_______¡£

£¨2£©·´Ó¦B¡úCµÄ»¯Ñ§·½³ÌʽÊÇ________£»·´Ó¦D¡úEµÄ»¯Ñ§·½³ÌʽÊÇ_______¡£

£¨3£©B¡úCµÄ·´Ó¦ÀàÐÍÊôÓÚ______¡£

£¨4£©Ð´³öʵÑéÊÒÖÆÈ¡AµÄ»¯Ñ§·½³Ìʽ__________¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¡¾ÌâÄ¿¡¿ÉèNA±íʾ°¢·ü¼ÓµÂÂÞ³£ÊýµÄÖµ¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ

A.0.5 mol ÐÛ»Æ(As4S4)£¬½á¹¹Èçͼ£¬º¬ÓÐNA¸öS¡ªS¼ü

B.17 g¼×»ù(¡ª14CH3)Ëùº¬µÄÖÐ×ÓÊýΪ8NA

C.±ê×¼×´¿öÏ£¬33.6 L¶þÂȼ×ÍéÖк¬ÓÐÂÈÔ­×ÓµÄÊýĿΪ3NA

D.¸ßÎÂÏ£¬16.8 g FeÓë×ãÁ¿Ë®ÕôÆøÍêÈ«·´Ó¦£¬×ªÒƵĵç×ÓÊýΪ0.6NA

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸