±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1227  |  »Ø¸´: 5
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

hongjieliuzi

гæ (³õÈëÎÄ̳)

[½»Á÷] ¡¾ÇóÖú¡¿¹ØÓڶƸõÎÊÌ⣡Çë¸ßÈËÖ¸½ÌÏ£¡ ÒÑÓÐ5È˲ÎÓë

ÎÒÊÇÒ»¸öµç¶Æ¹ÜÀíÕß,ÓиöÎÊÌ⣬ÎÒÃÇ×öµç¶Æ ²ÛÒºÊÇ CrO3£¬CrO3£¬H2SO4, Fe,È»ºó¾ÍÊÇË®ÁË £¬µçѹ´óԼΪ10v£¬µçÁ÷´óԼΪ1000°²Å࣬ÎÒÃÇÊÇÔÚ»îÈû»·É϶Ƹõ£¬ÓÐÈËÄܰïæ¸ø½âÊÍÏ·´Ó¦Ô­Àí£¬Âð£¬Ã²ËÆÀïÃæÓÐÒ»¸öÎöÇâ·´Ó¦£¬»îÈû»·ÊÇÒõ¼«£¬¶ÔÁË ÄܰïæдһÏ·´Ó¦·½³ÌʽÂ𣿣¿±¾È˸м¤²»¾¡
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

colin0923

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
Òõ¼«Cr2O7-+14H++6e=2Cr3++7H2O
2H++2e=H2
HCrO4-+6e+3H+=Cr+ 4H2O
Ñô¼«2Cr3++7H2O=Cr2O7-+14H++6e
4Â¥2010-11-25 20:58:31
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð

yuan.34690

½ð³æ (СÓÐÃûÆø)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
·´Ó¦±È½Ï¶à£¬Ö÷ÒªÓÐÒÔϼ¸¸ö
CrO72-+14H++6e=2Cr3++7H2O
2H++2e=H2
HCrO4-+6e+3H+=Cr+4OH-
½»Á÷ÖÐÌáÉý
3Â¥2010-11-23 22:35:09
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xjliuhit

ľ³æ (ÕýʽдÊÖ)

ÖØ¸õϵ¶ÆÑÎÑÏÖØÎÛȾ»·¾³£¬×îºÃ²»ÓÃ
¹¤ÒµÖеÄÕâÖÖÓ¦Óûù±¾±»ÌÔÌ­ÁË ²»·ûºÏ»·±£ÒªÇó
Ñ¡ÎÒËù°®£¬°®ÎÒËùÑ¡£¡
5Â¥2010-11-30 09:51:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

weijingde2

гæ (³õÈëÎÄ̳)

¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû
·´Ó¦·½³Ìʽû±ØÒªÖªµÀ
ÖªµÀÒõ¼«³Á¸õÎöÇ⣬Ñô¼«ÎöÑõ¾ÍÐÐÁË¡£²»ÔÞͬ¥ÉÏÒѱ»ÌÔÌ­µÄ¿´·¨¡£»îÈû»·µç¶ÆÊôÓÚµç¶ÆÓ²¸õ£¬¸õ²ãºñ¶ÈÖÁÉÙÔÚ30umÒÔÉÏ£¬Èý¼Û¸õµç¶Æ¸ù±¾¶Æ²»ÁËÕâôºñ¡£ÏÖ¸ù±¾¾ÍûÓÐÄĸö¹¤ÒÕÄÜ´ÓÎȶ¨ÐԺ;­¼ÃÐÔÁ½·½ÃæÈ¡´úÁù¼Û¸õµç¶Æ¹¤ÒÕ¡£ÊÂʵÉÏÈçµÂ¹ú¡¢ÈÕ±¾£¬Áù¼Û¸õµç¶ÆµÄ¹¤³§ÊÇÒÀÈ»´æÔÚµÄ
6Â¥2011-07-13 21:52:53
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 288×ÊÔ´Óë»·¾³×¨Ë¶Çóµ÷¼Á£¬²»ÏÞרҵ£¬ÓÐѧÉϾÍÐÐ +7 lllllos 2026-03-30 7/350 2026-03-30 20:06 by piklet
[¿¼ÑÐ] 304²ÄÁÏÇóµ÷¼Á +5 ÖÓllll 2026-03-26 5/250 2026-03-30 19:37 by Ô´_2020
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ£¬080500ѧ˶£¬×Ü·Ö317·ÖÇóµ÷¼Á +10 ¾Ù¸öÀõ×Óoi 2026-03-24 11/550 2026-03-30 19:31 by michael2011
[¿¼ÑÐ] 0703»¯Ñ§321·ÖÇóµ÷¼Á +10 Èýdd. 2026-03-30 11/550 2026-03-30 19:24 by markhwc
[¿¼ÑÐ] ²ÄÁÏ»¯¹¤340Çóµ÷¼Á +3 jhx777 2026-03-30 3/150 2026-03-30 17:54 by JourneyLucky
[˶²©¼ÒÔ°] Çóµ÷¼Á Óлú»¯Ñ§¿¼ÑÐ356·Ö +10 Nadiums 2026-03-25 11/550 2026-03-30 11:56 by yjolah
[¿¼ÑÐ] ÄϾ©´óѧ»¯Ñ§µ÷¼Á +10 ¾°Ëæ·ç 2026-03-29 15/750 2026-03-30 11:21 by limeifeng
[¿¼ÑÐ] 318Ò»Ö¾Ô¸¼ªÁÖ´óѧÉúÎïÓëÒ½Ò© Çóµ÷¼Á +5 óÆÐÐÖÂÔ¶. 2026-03-28 5/250 2026-03-30 06:56 by ilovexiaobin
[¿¼ÑÐ] 289Çóµ÷¼Á +5 BrightLL 2026-03-29 5/250 2026-03-29 17:24 by zhyzzh
[¿¼ÑÐ] 0703»¯Ñ§µ÷¼Á£¬Çóµ¼Ê¦ÊÕ +9 ÌìÌìºÃÔËÀ´Éϰ¶° 2026-03-24 10/500 2026-03-28 22:17 by chemzp
[¿¼ÑÐ] 320·Ö£¬²ÄÁÏÓ뻯¹¤×¨Òµ£¬Çóµ÷¼Á +9 Ò»¶¨Éϰ¶aaa 2026-03-27 13/650 2026-03-28 15:00 by ÉñÂí¶¼²»¶®
[¿¼ÑÐ] 394Çóµ÷¼Á +3 ºÃʶàÄ¥¾²ºò¼ÑÒ 2026-03-26 5/250 2026-03-28 14:24 by ÌÆãå¶ù
[¿¼ÑÐ] 347Çóµ÷¼Á +3 ɽ¶¥¼û¦Á 2026-03-25 3/150 2026-03-28 14:13 by ÌÆãå¶ù
[¿¼ÑÐ] ²ÄÁÏÇóµ÷¼ÁÒ»Ö¾Ô¸¹þ¹¤´ó324 +7 ãÆÐñ¶« 2026-03-28 9/450 2026-03-28 08:51 by Xu de nuo
[¿¼ÑÐ] 331»·¾³¿ÆÑ§Ó빤³ÌÇóµ÷¼Á +3 ìÚÈ»ºÃÔËÆø 2026-03-27 3/150 2026-03-28 04:11 by fmesaito
[¿¼ÑÐ] Ò»Ö¾Ô¸ Î÷±±´óѧ ×Ü·Ö282 Ó¢ÓïÒ»62 Çóµ÷¼Á +7 18419759900 2026-03-25 8/400 2026-03-27 16:38 by 18419759900
[¿¼ÑÐ] 305Çóµ÷¼Á +5 ÍÛ¬¿¨¿â 2026-03-26 5/250 2026-03-27 14:01 by laoshidan
[¿¼ÑÐ] µ÷¼Á +3 Àî¼Îͼ¡¤S¡¤Â· 2026-03-27 3/150 2026-03-27 11:19 by wangjy2002
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¹¤´ó£¬085400£¬320£¬Çóµ÷¼Á +4 gdlf9999 2026-03-24 4/200 2026-03-25 23:01 by boxking200
[¿¼ÑÐ] 07»¯Ñ§303Çóµ÷¼Á +5 î£08 2026-03-25 5/250 2026-03-25 22:46 by 418490947
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û