СÃ÷×ÔÖÆÃܶȼƲ¢ÓÃËüÀ´²â¶¨ÑÎË®µÄÃܶȡ£ËùÓõÄʵÑéÆ÷²ÄÓУº¿Ì¶È³ß¡¢Ô²ÖùÐÎÖñ¿ê¡¢Ï¸Ç¦Ë¿¡¢ÉÕ±­¡¢Ë®¡¢´ý²âÑÎË®¡£ÊµÑé²½ÖèÈçÏ£º

¢ÙÔÚÖñ¿êµÄÒ»¶Ë²øÉÏÊÊÁ¿Ï¸Ç¦Ë¿£¬ÖƳÉÃܶȼơ£

¢ÚÓÿ̶ȳ߲â³öÖñ¿êµÄ³¤¶ÈL¡£

¢Û°Ñ×ÔÖƵÄÃܶȼƷÅÈëʢˮµÄÉÕ±­ÖУ¬¾²Ö¹ºóÓÿ̶ȳ߲â³öÒºÃæÉÏÖñ¿êµÄ³¤¶Èh1£¨ÈçͼËùʾ£©¡£

¢Ü¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

Ç뽫ÉÏÃæʵÑé²½Öè²¹³äÍêÕû²¢»Ø´ðÏÂÁÐÎÊÌ⣺

£¨1£©Öñ¿êÒ»¶Ë²øÉÏǦ˿£¬ÊÇΪÁË¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ ¡£

£¨2£©ÃܶȼÆÊÇÀûÓá¡¡¡ ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ Ìõ¼þ¹¤×÷µÄ¡£±»²âÒºÌåµÄÃܶÈÔ½´ó£¬ÃܶȼÆÅÅ¿ªÒºÌåµÄÌå»ý¡¡¡¡ ¡¡¡¡¡¡¡¡¡¡ £¨Ñ¡ÌԽС¡±»ò¡°Ô½´ó¡±£©¡£

£¨3£©±»²âÑÎË®µÄÃܶȱí´ïʽ£º¦ÑÑÎË®= ¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡ £¨²»¼ÆǦ˿Ìå»ý£©

£¨4£©Ð¡Ã÷¼ÆËãµÃ³öÑÎË®µÄÃܶÈΪ1.1 g/cm3£¬ÒÑÖªÉÕ±­ÖÐÑÎË®µÄÌå»ýΪ500 cm3£¬ÑεÄÃܶÈΪ2.5 g/cm3£¬ÔòÑÎË®Öк¬ÑÎ ¡¡¡¡¡¡¡¡¡¡ g¡££¨¼ÙÉèÑηÅÈëË®ÖУ¬ÑκÍË®µÄ×ÜÌå»ý²»±ä£©

²½Öè¢Ü£º°Ñ×ÔÖÆÃܶȼƷÅÈëÊ¢´ý²âÑÎË®µÄÉÕ±­ÖУ¬¾²Ö¹ºóÓÿ̶ȳ߲â³öÒºÃæÉÏÖñ¿êµÄ³¤¶Èh2¡£

£¨1£©Ê¹Öñ¿êÄÜÊúֱƯ¸¡ÔÚÒºÃæÉÏ  

£¨2£©Æ¯¸¡   ԽС 

£¨3£©£¨L- h1£©¦ÑË®/£¨L- h2£©

£¨4£©83.3

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

ͬ²½Á·Ï°²á´ð°¸