´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇ£¬º¬¡¢¡¢MgOµÈÔÓÖÊ£©ÖÐÌáÈ¡Á½ÖÖ¹¤ÒÕÆ·µÄÁ÷³ÌÈçÏ£º

¸ß¿¼×ÊÔ´Íø( www.ks5u.com)£¬Öйú×î´óµÄ¸ß¿¼ÍøÕ¾£¬ÄúÉí±ßµÄ¸ß¿¼×¨¼Ò¡£

Çë»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Á÷³Ì¼×¼ÓÈëÑÎËáºóÉú³ÉAl3+µÄ·½³ÌʽΪ_________.

£¨2£©Á÷³ÌÒÒ¼ÓÈëÉÕ¼îºóÉú³ÉSiµÄÀë×Ó·½³ÌʽΪ________.

£¨3£©ÑéÖ¤ÂËÒºBº¬£¬¿ÉÈ¡ÉÙÁ¿ÂËÒº²¢¼ÓÈë________£¨ÌîÊÔ¼ÁÃû³Æ£©¡£

£¨4£©ÂËÒºE¡¢KÖÐÈÜÖʵÄÖ÷Òª³É·ÝÊÇ________(Ìѧʽ)£¬Ð´³ö¸ÃÈÜÒºµÄÒ»ÖÖÓÃ;________

£¨5£©ÒÑÖª298Kʱ£¬µÄÈݶȻý³£Êý=5.6¡Á,È¡ÊÊÁ¿µÄÂËÒºB,¼ÓÈëÒ»¶¨Á¿µÄÉÕ¼î´ïµ½³ÁµíÈÜҺƽºâ£¬²âµÃPH=13.00£¬Ôò´ËζÈϲÐÁôÔÚÈÜÒºÖеÄ=_______.

¡¾´ð°¸¡¿

£¨1£©Al2O3 + 6H£« 2Al3£« +3H2O

(2)SiO2 + 2OH£­ SiO32 £­ + H2O

(3)ÁòÇ軯¼Ø£¨»òÁòÇèËá¼Ø¡¢±½·ÓÈÜÒºµÈºÏÀí´ð°¸£©

£¨4£©NaHCO3£»ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈºÏÀí´ð°¸

£¨5£©5.6¡Á10-10mol/L

¡¾½âÎö¡¿£¨1£©ÓëHCl·´Ó¦Éú³ÉAl3£«£¬Ó¦ÎªÂÁÍÁ¿óÖÐAl2O3¡££¨2£©SiO2¿ÉÒÔÈÜÓÚNaOHÖÐÉú³ÉNa2SiO3¡££¨3£©¼ìÑéFe3£«µÄÌØÕ÷·´Ó¦ºÜ¶à£¬ÈçÓëKSCNÏÔѪºìÉ«£¬Óë±½·ÓÏÔ×ÏÉ«£¬ÓëOH£­ÏÔºìºÖÉ«³ÁµíµÈ¡££¨4£©Éú³ÉE¡¢Kʱ£¬CO2¾ùÊǹýÁ¿µÄ£¬¹ÊÓ¦Éú³ÉNaHCO3¡££¨5£©£¬=5.6¡Á10-12/(0.1)2=5.6¡Á10-10¡£

¡¾¿¼µã·ÖÎö¡¿»¯Ñ§ÊµÑé¡¢»¯Ñ§Óë¼¼Êõ¡¢ÂÁÍÁ¿óÖÐÑõ»¯ÂÁÌáÈ¡µÄ¹¤ÒÕÁ÷³Ì×ۺϿ¼²é

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇAl2O3£¬º¬SiO2¡¢Fe2O3¡¢MgOµÈÔÓÖÊ£©ÖÐÌáÈ¡Ñõ»¯ÂÁµÄͨ³£ÓÐÁ½ÖÖ¹¤ÒÕ£®ÒòÏòÂÁÍÁ¿óÖмÓÈëNaOHʱÐγɵijàÄࣨ²ÐÔü£©Öг£º¬ÓÐÂÁ¹èËáÄÆ£¬¹ÊÁ÷³ÌÒÒ³£´¦ÀíSiO2º¬Á¿Ð¡ÓÚ8%µÄÂÁÍÁ¿ó£¬ÈôSiO2º¬Á¿½Ï¸ßÔò¿É²ÉÓÃÁ÷³Ì¼×À´´¦Àí£®

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Á÷³Ì¼×¼ÓÈëÑÎËáºóÉú³ÉAl3+µÄÀë×Ó·½³ÌʽΪ
Al2O3+6H+=2Al3++3H2O
Al2O3+6H+=2Al3++3H2O
£®
£¨2£©Á÷³ÌÒÒ¼ÓÈëÉÕ¼îºóÉú³ÉSiO32-µÄÀë×Ó·½³ÌʽΪ
SiO2+2OH-=SiO32-+H2O
SiO2+2OH-=SiO32-+H2O
£®
£¨3£©Á÷³Ì¼×ÂËÒºDÖÐͨÈë¹ýÁ¿CO2µÄ»¯Ñ§·½³ÌʽΪ
NaAlO2+CO2+2H2O=Al£¨OH£©3¡ý+NaHCO3
NaAlO2+CO2+2H2O=Al£¨OH£©3¡ý+NaHCO3
£®
£¨4£©¡°Í¨Èë¹ýÁ¿CO2¡±ÄÜ·ñ¸ÄÓÃÑÎËá
²»ÄÜ
²»ÄÜ
£¬Ô­ÒòÊÇ
Al£¨OH£©3³Áµí»áÈÜÓÚ¹ýÁ¿µÄÑÎËáÖÐ
Al£¨OH£©3³Áµí»áÈÜÓÚ¹ýÁ¿µÄÑÎËáÖÐ
£®
£¨5£©ÂËÒºE¡¢KÖÐÈÜÖʵÄÖ÷Òª³É·ÖÊÇ
NaHCO3
NaHCO3
£¨Ìѧʽ£©£¬Ð´³ö¸ÃÈÜÖʵÄÒ»ÖÖÓÃ;
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2010?º£µíÇø¶þÄ££©´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇAl2O3£¬º¬RO2¡¢Fe2O3µÈÔÓÖÊ£©ÖÐÌáÈ¡Al2O3µÄÒ»ÖÖ¹¤ÒÕÁ÷³ÌÈçÏ£º

£¨1£©ÔªËØRλÓÚÖÜÆÚ±íÖеĵÚÈýÖÜÆÚ£¬Æä×î¸ßÕý»¯ºÏ¼ÛºÍ¸º»¯ºÏ¼ÛµÄ¾ø¶ÔÖµÏàµÈ£®RO2µÄÓÃ;ÓУ¨Ð´³ö1Ìõ¼´¿É£©
ÖÆ×÷¹âÏË¡¢ÊÎÆ·¡¢½¨Öþ²ÄÁÏ¡¢Ê¯Ó¢²£Á§¡¢Ê¯Ó¢ÛáÛöµÈ
ÖÆ×÷¹âÏË¡¢ÊÎÆ·¡¢½¨Öþ²ÄÁÏ¡¢Ê¯Ó¢²£Á§¡¢Ê¯Ó¢ÛáÛöµÈ
£®
£¨2£©ÂÁÍÁ¿ó¼ÓÈë×ãÁ¿ÉÕ¼îÈÜÒººóÖ÷Òª·´Ó¦µÄÀë×Ó·½³ÌʽΪ
¢Ù
Al2O3+2OH-=2AlO2-+H2O
Al2O3+2OH-=2AlO2-+H2O
£®
¢Ú
SiO2+2OH-=SiO32-+H2O
SiO2+2OH-=SiO32-+H2O
£®
£¨3£©¹¤ÒµÉÏͨ¹ýµç½âÑõ»¯ÂÁºÍ±ù¾§Ê¯µÄÈÛÈÚÒºÀ´Ò±Á¶½ðÊôÂÁ£®ÒÑÖªµç¼«²ÄÁÏΪ¶èÐÔ²ÄÁÏ£¬Ñô¼«·´Ó¦Ê½Îª
2O2--4e-=O2¡ü
2O2--4e-=O2¡ü
£®
£¨4£©Ñõ»¯ÂÁÓ뽹̿µÄ»ìºÏÎïÔÚµªÆøÖиßμÓÈÈ·´Ó¦£¬ÖƵÃÐÂÐͷǽðÊô²ÄÁÏAlNÓëÒ»ÖÖÖÐѧ³£¼ûÆøÌåX£®ÒÑ֪ÿתÒÆ3mol e-£¬ÓÐ1.5mol»¯ºÏÎïXÉú³É£¬´Ë·´Ó¦µÄ»¯Ñ§·½³Ìʽ
Al2O3+N2+3C
 ¸ßΠ
.
 
2AlN+3CO
Al2O3+N2+3C
 ¸ßΠ
.
 
2AlN+3CO
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

ÂÁÊÇÓÃ;¹ã·ºµÄ½ðÊô
£¨1£©¶Ô½ðÊôÖÆÆ·½øÐп¹¸¯Ê´´¦Àí£¬¿ÉÑÓ³¤ÆäʹÓÃÊÙÃü£®ÒÔÏÂΪÂÁ²Ä±íÃæ´¦ÀíµÄÒ»ÖÖ·½·¨£º

¢Ù¼îÏ´µÄÄ¿µÄÊdzýÈ¥ÂÁ²Ä±íÃæµÄ×ÔÈ»Ñõ»¯Ä¤£¬¼îϴʱºò³£ÓÐÆøÅÝð³ö£¬Ô­ÒòÊÇ£¨ÓÃÀë×Ó·½³Ìʽ±íʾ£©
2Al+2OH-+2H2O¨T2AlO+3H2¡ü
2Al+2OH-+2H2O¨T2AlO+3H2¡ü
£®Îª½«¼îÏ´²ÛÒºÖеÄÂÁÒÔ³ÁµíÐÎʽ»ØÊÕ£¬×îºÃÏò²ÛÒºÖмÓÈëÏÂÁÐÊÔ¼ÁÖеÄ
b
b
£®
A£®NH3     B£®CO2      C£®NaOH      D£®HNO3
¢ÚÒÔÂÁ²ÄΪÑô¼«£¬ÔÚH2SO4ÈÜÒºÖеç½â£¬ÂÁ²Ä±íÃæÐγÉÑõ»¯Ä¤£¬Ñô¼«µç¼«·´Ó¦Ê½Îª
2Al+3H2O-6e-¨TAl2O3+6H+
2Al+3H2O-6e-¨TAl2O3+6H+

ɾ³ý´Ë¿Õ
ɾ³ý´Ë¿Õ
£®È¡ÉÙÁ¿·Ïµç½âÒº£¬¼ÓÈëNaHCO3£¬ÈÜÒººó²úÉúÆøÅݺͰ×É«³Áµí£¬²úÉú³ÁµíµÄÀë×Ó·½³ÌʽÊÇ
3HCO3-+Al3+=3CO2¡ü+Al£¨OH£©3¡ý£»
3HCO3-+Al3+=3CO2¡ü+Al£¨OH£©3¡ý£»

£¨2£©´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇAl2O3£¬º¬SiO2¡¢Fe2O3¡¢MgOµÈÔÓÖÊ£©ÖÐÌáÈ¡Á½ÖÖ¹¤ÒÕÆ·µÄÁ÷³ÌÈçÏ£º

¢ÙÁ÷³Ì¼×¼ÓÈëÑÎËáºóÉú³ÉAl3+µÄÀë×Ó·½³ÌʽΪ
Al2O3+6H+¨T2Al3++3H2O
Al2O3+6H+¨T2Al3++3H2O
£®
¢ÚÂËÒºE¡¢KÖÐÈÜÖʵÄÖ÷Òª³É·ÝÊÇ
NaHCO3
NaHCO3
 £¨Ìѧʽ£©£¬Ð´³ö¸ÃÈÜÒºµÄÒ»ÖÖÓÃ;
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇAl2O3£¬º¬SiO2¡¢Fe2O3¡¢MgOµÈÔÓÖÊ£©ÖÐÌáÈ¡Al2O3Á½ÖÖ¹¤ÒÕµÄÁ÷³ÌÈçÏ£º

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Á÷³Ì¼×¼ÓÈëÑÎËáºóÉú³ÉAl3+µÄÀë×Ó·½³ÌʽΪ
Al2O3+6H+=2Al3++3H2O
Al2O3+6H+=2Al3++3H2O
£®
£¨2£©Á÷³ÌÒÒ¼ÓÈëÉÕ¼îºóÉú³ÉSiO32-µÄÀë×Ó·½³ÌʽΪ
SiO2+2OH-=SiO32-+H2O
SiO2+2OH-=SiO32-+H2O
£®
£¨3£©Á÷³Ì¼×ÂËÒºDÖÐͨÈë¹ýÁ¿CO2µÄ»¯Ñ§·½³ÌʽΪ
NaA1O2+CO2+2H2O=A1£¨OH£©3¡ý+NaHCO3
NaA1O2+CO2+2H2O=A1£¨OH£©3¡ý+NaHCO3
£®
£¨4£©¡°Í¨Èë¹ýÁ¿CO2¡±ÄÜ·ñ¸ÄÓÃÑÎËá
²»ÄÜ
²»ÄÜ
£¬Ô­ÒòÊÇ
A1£¨OH£©3³Áµí»áÈÜÓÚ¹ýÁ¿µÄÑÎËáÖÐ
A1£¨OH£©3³Áµí»áÈÜÓÚ¹ýÁ¿µÄÑÎËáÖÐ
£®
£¨5£©ÂËÒºE¡¢KÖÐÈÜÖʵÄÖ÷Òª³É·ÝÊÇ
NaHCO3
NaHCO3
£¨Ìѧʽ£©£¬Ð´³ö¸ÃÈÜÒºµÄÒ»ÖÖÓÃ;
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
ÖÆ´¿¼î»ò×ö·¢½Í·ÛµÈ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

¹¤Òµ´ÓÂÁÍÁ¿ó£¨Ö÷Òª³É·ÖÊÇAl2O3?xH2O¡¢SiO2¡¢Fe2O3µÈ£©ÌáÈ¡´¿Al2O3×öÒ±Á¶ÂÁµÄÔ­ÁÏ£¬Ìáȡʱ²Ù×÷¹ý³ÌÈçͼ£¬Í¼ÖвÙ×÷´íÎóµÄÊÇ£¨¡¡¡¡£©
¾«Ó¢¼Ò½ÌÍø
A¡¢¢Ü¢ÝB¡¢¢Û¢ÜC¡¢¢Ú¢ÝD¡¢¢Ù¢Ú

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸