ÌâÄ¿ÄÚÈÝ
»¯Ñ§ÖÐÖÊÁ¿Êغ㶨ÂÉÊÇÒ»¸ö·Ç³£ÖØÒªµÄ¶¨Á¿¶¨ÂÉ¡£
£¨1£©ÈçÓÒͼװÖÃÖУ¬³ÆÁ¿Ð¡ÉÕ±ÖÐËùÓÐÎïÖʵÄÖÊÁ¿m1£¬È»ºó½«Ð¡ÉÕ±ÖеÄ̼ËáÄÆÓëÑÎËáÍêÈ«»ìºÏ£¬·´Ó¦·¢ÉúÒ»¶Îʱ¼äºó£¬ÔÙ³ÆÁ¿Ð¡ÉÕ±¼°ÉÕÆ¿ÄÚÎïÖʵÄ×ÜÖÊÁ¿Îª m2£¬Ôò£¨Ìî¡°=¡± ¡°£¾¡±¡°£¼¡±£©m1 m2 £¬ÆäÔÒòΪ ¡£
£¨2£©ÌìÈ»ÆøµÄÖ÷Òª³É·ÖÊǼ×Í飨CH4£©£¬¿ÉÖ±½ÓÓÃ×÷ÆøÌåȼ
ÁÏ¡£È¼ÉÕ·´Ó¦Ç°ºó·Ö×ÓÖÖÀà±ä»¯µÄ΢¹ÛʾÒâͼÈçÏÂËùʾ¡£
¢Ù1¸öB·Ö×ÓÖк¬ÓÐ ¸öÔ×Ó¡£
¢ÚËÄÖÖÎïÖÊÖÐÊôÓÚ»¯ºÏÎïµÄÊÇ £¨ÌîͼÖÐ×Öĸ£©¡£
£¨3£©AºÍB¿É·¢ÉúÈçÏ·´Ó¦£º3A+2B=A3B2£¬Ä³Ñ§Éú×öÁË3´Î¸ÃʵÑ飨ÿ´Î¾ù³ä·Ö·´Ó¦£©£¬·´Ó¦Ç°AºÍBµÄÖÊÁ¿ºÍ¶¼ÊÇl0g¡£ÓйØʵÑéÊý¾Ý¼ûÏÂ±í£º
ÐòºÅ | ·´Ó¦Ç°AµÄÖÊÁ¿ | ·´Ó¦Ç°BµÄÖÊÁ¿ | ·´Ó¦ºóA3B2µÄÖÊÁ¿ |
¢Ù | 8g | 2g | 6g |
¢Ú | 4g | 6g | 6g |
¢Û | xg | yg | 9g |
X¡ÃYµÄ±ÈÖµ¿ÉÄÜΪ »ò ¡£
£¨4£©ÎªÁ˲ⶨijƷÅÆʳÓô¿¼îÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊý£¬Ä³Ð£»¯Ñ§Ñо¿ÐÔѧϰС×éµÄ̽¾¿¹ý³ÌÈç
주
¡¾Ìá³öÎÊÌâ¡¿ÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊýÊǶàÉÙ?
¡¾ÖªÊ¶×¼±¸¡¿Ê³Óô¿¼îµÄÖ÷Òª³É·ÖÊÇ̼ËáÄÆ£¬ÁíÍ⻹º¬ÓÐÉÙÁ¿µÄÂÈ»¯ÄÆ£»·´Ó¦¹ý³ÌÖв»¿¼ÂÇË®ºÍÂÈ»¯ÇâµÄ»Ó·¢¡£
¡¾Éè¼Æ·½°¸¡¿£¨1£©·½°¸Ò»£ºÏòÒ»¶¨Á¿ÑùÆ·ÖмÓÈë¹ýÁ¿³ÎÇåʯ»ÒË®£¬¸ù¾Ý·´Ó¦Éú³É̼Ëá¸ÆµÄÖÊÁ¿£¬ÏÈÇó³ö̼ËáÄƵÄÖÊÁ¿£¬ÔÙ¼ÆËãÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊý¡£
£¨2£©·½°¸¶þ£ºÏòÒ»¶¨Á¿ÑùÆ·ÖмÓÈë×ãÁ¿µÄÏ¡ÑÎËᣬ¸ù¾Ý·´Ó¦Éú³É¶þÑõ»¯Ì¼µÄÖÊÁ¿£¬ÏÈÇó³ö̼ËáÄƵÄÖÊÁ¿£¬ÔÙ¼ÆËãÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊý¡£
¡¾½øÐÐʵÑé¡¿¼××éͬѧ£º³ÆÈ¡24£®00gÑùÆ·£¬¼ÓË®Åä³ÉÈÜÒº£¬ÔÚÈÜÒºÖмÓÈë¹ýÁ¿µÄ³ÎÇåʯ»ÒË®¡£¹ýÂË¡¢Ï´µÓ¡¢¸ÉÔ¹²µÃµ½°×É«³Áµí20£®00g¡£
ÒÒ×éͬѧ£º³ÆÈ¡24£®00gÑùÆ·£¬¼ÓÈë×ãÁ¿µÄÏ¡ÑÎËáÖ±µ½·´Ó¦Í£Ö¹£¬¹²ÊÕ¼¯µ½8£®80g¶þÑõ»¯Ì¼¡£
¡¾½â¾öÎÊÌâ¡¿ÇëÄãÈÎÑ¡Ò»×éͬѧµÄʵÑé½á¹û£¬°ïÖúËûÃǼÆËã³öÑùÆ·ÖÐ̼ËáÄƵÄÖÊÁ¿·ÖÊý¡££¨Ð´³ö¼ÆËã¹ý³Ì¡£¼ÆËã½á¹û¾«È·µ½0.1% £©
³ý£¨2£©¢Ü3·ÖÍ⣬ÆäÓàÿ¿Õ1·Ö£©
£¨1£©> Éú³ÉµÄ¶þÑõ»¯Ì¼ÆøÌåÒݳö£¬µ¼ÖÂÉÕ±ÖÐÎïÖÊÖÊÁ¿¼õÇá
£¨2£©2 ACD ¢Û7:3 »ò3:2 ¢Ü88.3%£¨¹ý³Ì1·Ö£¬¸ñʽ1·Ö£¬½á¹û1·Ö£©
