£¨2013?¸ÊËàÄ£Ä⣩Ïò×°ÓеÈÁ¿Ë®µÄA¡¢B¡¢CÈý¸öÉÕ±­Öзֱð¼ÓÈë10g¡¢25g¡¢25g NaNO3¹ÌÌ壬³ä·ÖÈܽâºó£¬ÏÖÏóÈçͼ1Ëùʾ£®
£¨1£©ÉÕ±­ÖеÄÈÜÒºÒ»¶¨ÊôÓÚ±¥ºÍÈÜÒºµÄÊÇ
B
B
£¨ÌîÐòºÅ£©£®
£¨2£©ÔÚͼ2ÖУ¬ÄܱíʾNaNO3Èܽâ¶ÈÇúÏßµÄÊÇ
¼×
¼×
£¨Ìî¡°¼×¡±»ò¡°ÒÒ¡±£©£®
£¨3£©ÒªÊ¹ÉÕ±­BÖÐÊ£Óà¹ÌÌå¼ÌÐøÈܽ⣬¿É²ÉÓõķ½·¨ÊÇ
Éý¸ßζȣ¨»ò¼ÓË®£©
Éý¸ßζȣ¨»ò¼ÓË®£©
£¨ÌîÒ»ÖÖ¼´¿É£©£®
£¨4£©ÒÀ¾Ýͼ2µÄ·ÖÎöÅжϣ¬Èô·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ó t2¡æ½µÎµ½ t1¡æ£¬¶ÔËùµÃÈÜÒºµÄÐðÊöÕýÈ·µÄÊÇ
BD
BD
£¨ ÌîÐòºÅ£©£®
A£®¼×¡¢ÒÒ¶¼ÊDZ¥ºÍÈÜÒº?B£®Ëùº¬ÈܼÁµÄÖÊÁ¿£º¼×£¼ÒÒ
C£®ÈÜÒºµÄÖÊÁ¿£º¼×£¾ÒÒ   D£®ÈÜÖʵÄÖÊÁ¿·ÖÊý£º¼×£¾ÒÒ£®
·ÖÎö£º£¨1£©Ò»¶¨Î¶ÈÏ£¬ÓÐÊ£Óà¹ÌÌå´æÔÚµÄÈÜҺΪ±¥ºÍÈÜÒº£»
£¨2£©ÓÉÉÕ±­Öв»Í¬Î¶ÈÏÂÈܽâµÄÏõËáÄƵÄÖÊÁ¿±ä»¯·ÖÎö½â´ð£»
£¨3£©Í¨³£±¥ºÍÈÜÒº±äΪ²»±¥ºÍÈÜÒºµÄ·½·¨ÊÇ£ºÉý¸ßζȻòÔö¼ÓÈܼÁ£»
£¨4£©¸ù¾Ý¼×ÒÒµÄÈܽâ¶ÈÇúÏßËæζȱ仯Çé¿ö£¬²¢½áºÏÑ¡ÏîÖеÄÎÊÌâÖðÒ»·ÖÎö½â´ð£®
½â´ð£º½â£º£¨1£©ÓÉͼ1¿ÉÖª£º20¡æʱÏòAÉÕ±­ÖмÓÈë10gÍêÈ«Èܽ⣬¿ÉÄÜÊDZ¥ºÍÈÜÒº£»BÉÕ±­ÖмÓÈë25gÓÐÊ£Óà¹ÌÌ壬һ¶¨ÊôÓÚ±¥ºÍÈÜÒº£»30¡æ¼ÓÈë25gÈ«²¿Èܽ⣬¿ÉÄÜÊDZ¥ºÍÈÜÒº£»
¹Ê´ð°¸Îª£ºB£»
  £¨2£©ÓÉͼ1¿ÉÖª£¬Ëæ×ÅζȵÄÉý¸ßÈܽâµÄÏõËáÄƵÄÖÊÁ¿Öð½¥Ôö¼Ó£¬ËùÒÔÔÚͼ2ÖУ¬ÄܱíʾNaNO3Èܽâ¶ÈÇúÏßµÄÊǼף»
¹Ê´ð°¸Îª£º¼×£»
  £¨3£©ÓÉ1¿ÉÖª£ºÒªÊ¹ÉÕ±­BÖÐÊ£Óà¹ÌÌå¼ÌÐøÈܽ⣬¿É²ÉÓÃÉý¸ßζȵķ½·¨£¬»¹¿ÉÒÔ²ÉÈ¡¼ÓË®µÄ·½·¨£»
¹Ê´ð°¸Îª£ºÉý¸ßζȣ¨»ò¼ÓË®£©£»
£¨4£©A¡¢ÒÒµÄÈܽâ¶ÈËæζȽµµÍÖð½¥Ôö´ó£¬¹Ê½µµÍζȱäΪ²»±¥ºÍÈÜÒº£¬¹Ê´íÎó£»
B¡¢t2¡æʱ¼×µÄÈܽâ¶È´óÓÚÒÒµÄÈܽâ¶È£¬ËùÒÔµÈÖÊÁ¿µÄ±¥ºÍÈÜÒºÖÐËùº¬ÈܼÁµÄÖÊÁ¿ÊǼף¼ÒÒ£¬½µµÍζÈÈܼÁµÄÖÊÁ¿²»±ä£»¹Ê½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ó t2¡æ½µÎµ½ t1¡æ£¬ÈܼÁµÄÖÊÁ¿¹ØϵÒÀÈ»ÊǼף¼ÒÒ£¬¹ÊÕýÈ·£»
C¡¢·Ö±ð½«100g¼×¡¢Òҵı¥ºÍÈÜÒº´Ó t2¡æ½µÎµ½ t1¡æ£¬¼×ÓÐÈÜÖÊÎö³ö£¬ÈÜÒºµÄÖÊÁ¿¼×£¼ÒÒ£¬¹Ê´íÎó£»
D¡¢µÈÖÊÁ¿µÄ¼×¡¢ÒÒ±¥ºÍÈÜÒº´Ó t2¡æ½µÎÂÖÁ t1¡æʱ£¬¼×Îö³öÈÜÖÊ£¬ÒÒÓÉÓÚÈܽâ¶ÈÔö´ó¶øÎÞ¾§ÌåÎö³ö£®½µµÍµ½ t1¡æʱ£¬Èܽâ¶ÈÊǼ×=ÒÒ£¬µ«ÓÉÓÚÒÒ²»ÊDZ¥ºÍÈÜÒº£¬ËùÒÔÆäÈÜÖʵÄÖÊÁ¿·ÖÊýÊǼף¾ÒÒ£¬ÕýÈ·£»
¹ÊÑ¡B D£®
µãÆÀ£º±¾Ìâ½ÏΪ×ۺϵĿ¼²éÁËÈܽâ¶ÈÇúÏßµÄÀí½âºÍÓ¦Óã¬ÒÔ¼°Ñ§Éú·ÖÎöÌâÄ¿ÐÅÏ¢Åжϱ¥ºÍÈÜÒºµÄ·½·¨£¬ÊÇÒ»µÀÄܽϺÿ¼²éѧÉú·ÖÎö½â¾öÎÊÌâÄÜÁ¦µÄºÃÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?¸ÊËàÄ£Ä⣩ÈçͼÊǹ¤ÒµÉÏÖƱ¸ÇâÆøµÄ΢¹ÛʾÒâͼ£¬ÆäÖв»Í¬µÄ¡°Çò¡±´ú±í²»Í¬µÄÔ­×Ó£®ÏÂÁÐ˵·¨²»ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?¸ÊËàÄ£Ä⣩»¯Ñ§Íƶ¯ÁËÉç»áµÄ½ø²½£¬Ê¹ÎÒÃǵÄÉú»îѤÀö¶à²Ê£®ÏÂÁÐÊÂʵÖУ¬Ö÷ÒªÓÃÎïÖÊ»¯Ñ§ÐÔÖʵÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?¸ÊËàÄ£Ä⣩ѧϰ»¯Ñ§¹ý³ÌÖÐÓÐÐí¶à¡°²»Í¬¡±£®ÏÂÁжԡ°²»Í¬¡±µÄ·ÖÎö´íÎóµÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º

£¨2013?¸ÊËàÄ£Ä⣩ÏÂÁÐʵÑé·½°¸ÖУ¬¿ÉÐеÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸