ÌâÄ¿ÄÚÈÝ
17£®| »¯Ñ§¼ü | P-P | P-O | O=O | P=O |
| ¼üÄÜ/kJ•mol-1 | 197 | X | 499 | 434 |
| A£® | 410 | B£® | 335 | C£® | 360 | D£® | 188 |
·ÖÎö °×Á×ȼÉյķ½³ÌʽΪP4+5O2=P4O10£¬1mol°×Á×ÍêȫȼÉÕÐè²ð¿ª6mol P-P¡¢5mol O=O£¬ÐγÉ12molP-O¡¢4mol P=O£¬ÒԴ˼ÆË㣮
½â´ð ½â£º°×Á×ȼÉյķ½³ÌʽΪP4+5O2=P4O10£¬1mol°×Á×ÍêȫȼÉÕÐè²ð¿ª6mol P-P¡¢5mol O=O£¬ÐγÉ12molP-O¡¢4mol P=O£¬ËùÒÔ12mol¡ÁX+4mol¡Á434kJ/mol-£¨6mol¡Á197 kJ/mol+5 mol¡Á499 kJ/mol£©=2378.0kJ£¬½âµÃx=360kJ/mol£¬
¹ÊÑ¡C£®
µãÆÀ ±¾Ì⿼²éÈÈ»¯Ñ§·½³ÌʽµÄÊéд·½·¨ºÍ¼ÆËãÓ¦Óã¬×¢ÒâìÊ±ä¼ÆËãºÍÎïÖʾۼ¯×´Ì¬µÄ±ê×¢£¬Ñ§Ï°ÖÐҪ׼ȷ°ÑÎÕ£¬ÁíÍâ×¢Òâ·´Ó¦ÈȵļÆËã£¬ÌØ±ðÊÇ×¢Òâ·ÖÎö°×Á×µÄÑõ»¯Á׵ķÖ×ӽṹ£¬ÕýÈ·ÅжϹ²¼Û¼üµÄÀàÐͺÍÊýÄ¿£¬ÄѶȲ»´ó£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
4£®ÏÂÁÐÐðÊö´íÎóµÄÊÇ£¨¡¡¡¡£©
£¨1£©ÈôRµÄº¬ÑõËáµÄËáÐÔ´óÓÚQµÄº¬ÑõËáµÄËáÐÔ£¬Ôò·Ç½ðÊôÐÔR´óÓÚQ
£¨2£©Òõ¡¢ÑôÀë×Óͨ¹ý¾²µçÎüÒýÐγɵĻ¯Ñ§¼ü½ÐÀë×Ó¼ü
£¨3£©H2O¡¢H2S¡¢H2SeµÄÏà¶Ô·Ö×ÓÖÊÁ¿Ôö´ó£¬ËùÒÔÈ۷еãÒÀ´ÎÉý¸ß
£¨4£©ÒºÌ¬·ú»¯ÇâÖдæÔÚÇâ¼ü£¬ËùÒÔÆä·Ö×Ó±ÈÂÈ»¯Çâ¸üÎȶ¨
£¨5£©¶¼ÊÇÓɷǽðÊôÔªËØÐγɵϝºÏÎï¿ÉÄÜÊǹ²¼Û»¯ºÏÎ
£¨1£©ÈôRµÄº¬ÑõËáµÄËáÐÔ´óÓÚQµÄº¬ÑõËáµÄËáÐÔ£¬Ôò·Ç½ðÊôÐÔR´óÓÚQ
£¨2£©Òõ¡¢ÑôÀë×Óͨ¹ý¾²µçÎüÒýÐγɵĻ¯Ñ§¼ü½ÐÀë×Ó¼ü
£¨3£©H2O¡¢H2S¡¢H2SeµÄÏà¶Ô·Ö×ÓÖÊÁ¿Ôö´ó£¬ËùÒÔÈ۷еãÒÀ´ÎÉý¸ß
£¨4£©ÒºÌ¬·ú»¯ÇâÖдæÔÚÇâ¼ü£¬ËùÒÔÆä·Ö×Ó±ÈÂÈ»¯Çâ¸üÎȶ¨
£¨5£©¶¼ÊÇÓɷǽðÊôÔªËØÐγɵϝºÏÎï¿ÉÄÜÊǹ²¼Û»¯ºÏÎ
| A£® | È«²¿ | B£® | £¨1£©£¨2£©£¨3£©£¨4£© | C£® | £¨1£©£¨2£©£¨3£© | D£® | £¨2£©£¨3£©£¨4£© |
8£®ÏòFeºÍAl2O3µÄ»ìºÏÎïÖмÓÈë×ãÁ¿Ï¡ÁòËὫÆäÈܽ⣬ÊÒÎÂÏÂÏòËùµÃÈÜÒºÖмÓÈëÖ¸¶¨ÎïÖÊ£¬·´Ó¦ºóµÄÈÜÒºÖÐÖ÷Òª´æÔÚµÄÒ»×éÀë×ÓÕýÈ·µÄÊÇ£¨¡¡¡¡£©
| A£® | ͨÈë¹ýÁ¿Cl2£ºCl-¡¢SO42-¡¢Fe2+¡¢Al3+ | |
| B£® | ¼ÓÈë¹ýÁ¿NaOHÈÜÒº£ºSO42-¡¢Na+¡¢AlO2-¡¢OH- | |
| C£® | ¼ÓÈë¹ýÁ¿°±Ë®£ºNH4+¡¢SO42-¡¢Na+¡¢AlO2- | |
| D£® | ¼ÓÈë¹ýÁ¿NaNO3ÈÜÒº£ºNO3-¡¢SO42-¡¢Fe2+¡¢Al3+ |
5£®ÏÖÓÐÊÒÎÂϵÄËÄÖÖÈÜÒº£¬ÆäpHÈçϱíËùʾ£¬ÏÂÁÐÓйØÐðÊö²»ÕýÈ·ÊÇ£¨¡¡¡¡£©
| ¢Ù | ¢Ú | ¢Û | ¢Ü | |
| pH | 11 | 11 | 3 | 3 |
| ÈÜÒº | °±Ë® | NaOHÈÜÒº | ´×Ëá | ÑÎËá |
| A£® | ¢Û¢ÜÖзֱð¼ÓÈëÊÊÁ¿´×ËáÄÆ¾§Ì壬Á½ÈÜÒºpH¾ùÔö´ó | |
| B£® | ¢ÙÓë¢ÚÁ½ÈÜÒºÖУºc£¨NH4+£©£¾c£¨Na+£© | |
| C£® | ·Ö±ð¼ÓˮϡÊÍ10±¶£¬ÈÜÒºµÄpH£º¢Ù£¾¢Ú£¾¢Ü£¾¢Û | |
| D£® | V1L¢ÙºÍV2L¢ÜÈÜÒº»ìºÏºó£¬ÈôpH=7£¬ÔòV1£¾V2 |
12£®ÏÂÁи÷ÏîËùÊöµÄÊý×Ö²»ÊÇ6µÄÊÇ£¨¡¡¡¡£©
| A£® | ÔÚNaCl¾§ÌåÖУ¬ÓëÒ»¸öNa+×î½üµÄÇÒ¾àÀëÏàµÈµÄCl-µÄ¸öÊý | |
| B£® | ÔÚ½ð¸Õʯ¾§ÌåÖУ¬×îСµÄ»·ÉϵÄ̼Ô×Ó¸öÊý | |
| C£® | ÔÚ¶þÑõ»¯¹è¾§ÌåÖУ¬×îСµÄ»·ÉϵÄÔ×Ó¸öÊý | |
| D£® | ²ÉÄɼòµ¥Á¢·½¶Ñ»ýµÄ½ðÊô¾§ÌåµÄÅäλÊý |
2£®ÓйØNaHCO3ÓëNa2CO3µÄÐÔÖÊ£¬ÏÂÁÐÐðÊöÖв»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
| A£® | Na2CO3ºÍNaHCO3·ÛÄ©ÓëͬŨ¶ÈµÄÑÎËᷴӦʱ£¬NaHCO3ÓëÑÎËá·´Ó¦·Å³öÆøÌåËÙ¶È¿ì | |
| B£® | µÈÎïÖʵÄÁ¿µÄÁ½ÖÖÑÎÓëͬŨ¶ÈµÄÑÎËá·´Ó¦£¬Na2CO3ËùÏûºÄÑÎËáµÄÌå»ýÊÇNaHCO3µÄÁ½±¶ | |
| C£® | Na2CO3ºÍNaHCO3ÈÜÒº·Ö±ðºÍBaCl2ÈÜÒº·´Ó¦£¬ÏÖÏó²»Í¬ | |
| D£® | Òª¼ìÑéNaHCO3¹ÌÌåÖÐÊÇ·ñº¬Na2CO3£¬ÏÈÏòÊÔÑù¼ÓË®Èܽâºó£¬ÔÙ¼ÓÈë×ãÁ¿Ba£¨OH£©2ÈÜÒº£¬ÈôÓа×É«³ÁµíÉú³É£¬ËµÃ÷NaHCO3¹ÌÌåÖк¬Na2CO3 |
9£®5.76g²¿·ÖÑõ»¯µÄFe¡¢CuºÏ½ðÑùÆ·£¨Ñõ»¯²úÎïΪFe2O3¡¢CuO£©£¬¾ÈçÏ´¦Àí£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

| A£® | V=224 | |
| B£® | ÑùÆ·ÖÐFeµÄÖÊÁ¿Îª2.14 g | |
| C£® | δÑõ»¯Ç°FeÔªËØµÄÖÊÁ¿·ÖÊýԼΪ41.2% | |
| D£® | ÑùÆ·ÖÐCuOµÄÖÊÁ¿Îª3.52 g |
7£®ÏÂÁÐ˵·¨´íÎóµÄÊÇ£¨¡¡¡¡£©
| A£® | ÂÌÉ«»¯Ñ§µÄºËÐÄÊǶԻ·¾³ÎÛȾ½øÐÐ×ÛºÏÖÎÀí | |
| B£® | Al2O3¿ÉÓÃ×÷ÄÍ»ð²ÄÁÏ | |
| C£® | µØ¹µÓ;´¦Àíºó¿ÉÓÃ×÷ȼÁÏÓÍ | |
| D£® | ½ºÌåºÍÈÜÒºµÄ±¾ÖÊÇø±ðÊÇ·ÖÉ¢ÖÊÁ£×ÓÖ±¾¶´óС |