ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ç¿ËáÓëÇ¿¼îµÄÏ¡ÈÜÒº·¢ÉúÖкͷ´Ó¦µÄÈÈЧӦΪ£ºH£«(aq)£«OH£(aq)£½H2O(l)¡÷H=£57.3kJ/mol¡£·Ö±ðÏò1 L0.5mol¡¤L£1µÄNaOHµÄÈÜÒºÖмÓÈë¢Ù´×Ë᣻¢ÚÏ¡ÁòË᣻¢ÛÏ¡ÑÎËᣬǡºÃÍêÈ«·´Ó¦µÄÈÈЧӦ·Ö±ðΪ¡÷H1¡¢¡÷H2¡¢¡÷H3£¬ÏÂÁйØϵÕýÈ·µÄÊÇ£¨ £©
A.¡÷H1£¾¡÷H2£¾¡÷H3B.¡÷H1£¼¡÷H2£½¡÷H3
C.¡÷H1£¾¡÷H2£½¡÷H3D.¡÷H1£½¡÷H2£¼¡÷H3
¡¾´ð°¸¡¿C
¡¾½âÎö¡¿
¢Ù´×ËáΪÈõµç½âÖÊ£¬µçÀëʱÎüÈÈ£¬µ¼ÖÂÊͷŵÄÈÈÁ¿¼õÉÙ£¬ÔòÓëNaOH·´Ó¦µÄ¡÷H1Æ«´ó£»
¢ÚÁòËáΪǿµç½âÖÊ£¬¶ÔÖкÍÈÈÎÞÓ°Ï죻
¢ÛHClΪǿµç½âÖÊ£¬¶ÔÖкÍÈÈÎÞÓ°Ï죻
×ÛÉÏËùÊö£¬Ôò¡÷H1£¾¡÷H2£½¡÷H3£¬´ð°¸ÎªC¡£
¡¾ÌâÄ¿¡¿Ì¼¡¢µª¡¢Ð¿¡¢¹¯µÄÏà¹Ø»¯ºÏÎïÔÚ»¯¹¤¡¢Ò½Ò©¡¢²ÄÁÏ·½ÃæÓÐ׏㷺µÄÓ¦ÓÃ
£¨1£©»³ö»ù̬ZnÔ×ӵļ۵ç×ÓÅŲ¼Í¼_________£»
£¨2£©ÔÚ»ù̬NÔ×ÓÖУ¬ºËÍâµç×ÓÕ¼¾ÝµÄ×î¸ßÄܲã·ûºÅΪ________£¬Õ¼¾Ý¸ÃÄܲãµç×ӵĵç×ÓÔÆÂÖÀªÍ¼ÐÎ״Ϊ____________£»
£¨3£©Zn£¬Cd£¬Hg¾ùΪµÚ¢òB×åÔªËØ£¬¸ù¾ÝÏà¶ÔÂÛÊÕËõЧӦÖ£¬È«ÂúµÄ6s¿Ç²ã·Ç³£Îȶ¨£¬ÒÑÖªHgÔ×ӵĺËÍâµç×ÓÅŲ¼Ê½Îª[Xe]4f145d106s2£¬Çë½âÊÍHgÔÚ³£ÎÂÏÂΪҺ̬µÄÔÒò_________________________£»
£¨4£©Ì¼ËáÑεÄÈÈ·Ö½âÊÇÓÉÓÚ¾§ÌåÖÐÑôÀë×Ó½áºÏ̼Ëá¸ùÀë×ÓÖеÄÑõÀë×Ó£¬Ê¹Ì¼Ëá¸ùÀë×Ó·Ö½âΪ¶þÑõ»¯Ì¼·Ö×ӵĽá¹û¡£ÒÑÖª
̼ËáÑÎ | MgCO3 | CaCO3 | SrCO3 | BaCO3 |
ÈÈ·Ö½âζÈ/¡æ | 402 | 900 | 1172 | 1360 |
ÑôÀë×Ӱ뾶/pm | 66 | 99 | 112 | 135 |
Çë½âÊͼîÍÁ½ðÊôÔªËØ̼ËáÑÎÈÈ·Ö½âζȵı仯¹æÂÉ£º________________________________£»
£¨5£©ÄÉÃ×Ñõ»¯Ð¿ÊÇÎȶ¨µÄ»¯ºÏÎ¿ÉÒÔÌṩ¹ãÆ×µÄ×ÏÍâ±£»¤£¨UVAºÍUVB£©£¬Í¬Ê±»¹Óп¹¾úºÍ¿¹Ñ×µÄ×÷Óã¬Ò»ÖÖÑõ»¯Ð¿¾§Ìå¾ßÓÐZnSÐͽṹ£¬±ß³¤Îª a=0.446nm£¬Çó£º
¢ÙZnºÍOÖ®¼ä×î¶ÌµÄ¾àÀëΪ________nm£»
¢ÚÓëZn½ôÁÚµÄOµÄ¸öÊýΪ_______.
¾§°ûÄÚ²¿Ô×ÓΪZn£¬¶¥µãºÍÃæÐÄÔ×ÓΪO