ÌâÄ¿ÄÚÈÝ
£¨1£©(2·Ö)ÏÂÁÐÓйØʵÑé²Ù×÷»òÅжϲ»ÕýÈ·µÄÊÇ ________£¨ÌîÐòºÅ£¬¶àÑ¡¿Û·Ö£©¡£
E£®ÔÚÌìƽ×óÓÒÁ½ÅÌÖи÷·ÅÒ»ÕÅ°×Ö½ºó£¬¼´¿É½«NaOH¹ÌÌå·ÅÔÚ°×Ö½ÉϳÆÁ¿
(2) (2·Ö)Ë«ÑõË®£¨H2O2£©ÊǼ«ÈõµÄµç½âÖÊ£¬ H2O2ÈÜÒºÏÔÈõËáÐÔ¡£Èô°ÑH2O2¿´³É¶þÔªÈõËᣬÇëд³öËüÔÚË®ÖеĵçÀë·½³Ìʽ ,
(3) (4·Ö)ÓÉÇâÆøºÍÑõÆø·´Ó¦Éú³É1molË®ÕôÆø£¬·ÅÈÈ241.8kJ£¬Ð´³ö¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³Ìʽ ¡£Èô1gË®ÕôÆøת»¯³ÉҺ̬ˮ·ÅÈÈ2.444 kJ£¬ÔòH2µÄȼÉÕÈȦ¤H= kJ¡¤mol-1
A£®ÅäÖÆÒ»¶¨ÎïÖʵÄÁ¿Å¨¶ÈÈÜÒº£¬¶¨ÈÝʱ¸©Êӿ̶ÈÏ߻ᵼÖÂËùÅäÈÜҺŨ¶ÈƫС |
B£®ÉÙÁ¿Å¨ÁòËáÕ´ÔÚƤ·ôÉÏ£¬Á¢¼´ÓÃÇâÑõ»¯ÄÆÈÜÒº³åÏ´ |
C£®ÒºäåÓж¾ÇÒÒ×»Ó·¢,ÐèÊ¢·ÅÔÚÄ¥¿ÚµÄϸ¿ÚÆ¿Àï,²¢Ë®·â±£´æ |
D£®100 mLÈÝÁ¿Æ¿¿ÉÓÃÓÚÅäÖÆ95 mL 0.1 mol/L NaClÈÜÒº |
(2) (2·Ö)Ë«ÑõË®£¨H2O2£©ÊǼ«ÈõµÄµç½âÖÊ£¬ H2O2ÈÜÒºÏÔÈõËáÐÔ¡£Èô°ÑH2O2¿´³É¶þÔªÈõËᣬÇëд³öËüÔÚË®ÖеĵçÀë·½³Ìʽ ,
(3) (4·Ö)ÓÉÇâÆøºÍÑõÆø·´Ó¦Éú³É1molË®ÕôÆø£¬·ÅÈÈ241.8kJ£¬Ð´³ö¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³Ìʽ ¡£Èô1gË®ÕôÆøת»¯³ÉҺ̬ˮ·ÅÈÈ2.444 kJ£¬ÔòH2µÄȼÉÕÈȦ¤H= kJ¡¤mol-1
£¨8·Ö£©ABE £¨2·Ö£© H2O2H++HO2- HO2- H++O22-£¨2·Ö£©
2H2(g)+O2(g)="2H2O(g) " ¦¤H="-483.6" kJ¡¤mol-1 £¨2·Ö£© -285.8£®£¨2·Ö£©
2H2(g)+O2(g)="2H2O(g) " ¦¤H="-483.6" kJ¡¤mol-1 £¨2·Ö£© -285.8£®£¨2·Ö£©
ÂÔ
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿