ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ð¡ÃôÔÚʵÑéÊÒ²âÁ¿Ð¡Ê¯¿éµÄÃܶȣº
£¨1£©½«Ììƽ·ÅÔÚˮƽ̨ÃæÉÏ£¬½«ÓÎÂëÒƵ½±ê³ßµÄÁã¿ÌÏß´¦¡£ºáÁº¾²Ö¹Ê±£¬Ö¸ ÕëÖ¸ÔÚ·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßµÄ×ó²à£¬Èçͼ¼×Ëùʾ¡£ÎªÊ¹ºáÁºÔÚˮƽλÖÃƽºâ£¬Ó¦½«Æ½ºâÂÝĸÏò________¶ËÒƶ¯£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©¡£
£¨2£©Ð¡ÃôÏÈÓõ÷½ÚºÃµÄÌìƽ²âÁ¿Ð¡Ê¯¿éµÄÖÊÁ¿¡£Ììƽƽºâºó£¬ÓÒÅÌÖÐËù·ÅíÀÂë¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼÒÒËùʾ£¬ÔòСʯ¿éµÄÖÊÁ¿Îª________ g£»È»ºó£¬Ð¡Ãô½«Ð¡Ê¯¿éÓÃϸÏßϵºÃ·Å½øÊ¢ÓÐ20mlË®µÄÁ¿Í²ÖУ¬Á¿Í²ÖеÄË®ÃæÉý¸ßµ½Èçͼ±ûËùʾµÄλÖã»Ôò¸ÃСʯ¿éµÄÃܶÈΪ________ g/cm3¡£
£¨3£©»³öʵÑéÊý¾Ý¼Ç¼±í¸ñ¡£
£¨_________£©
¡¾´ð°¸¡¿ÓÒ 54 2.7
Сʯ¿éµÄÖÊÁ¿ m/g | ÔÀ´Á¿Í²Ê¾Êý V1/ cm3 | ºóÀ´Á¿Í²Ê¾Êý V2/ cm3 | Сʯ¿éµÄÌå»ýV/cm3 | Сʯ¿éµÄÃÜ¶È ¦Ñʯ/£¨gcm-3£© |
¡¾½âÎö¡¿
¸ù¾ÝíÀÂëºÍÓÎÂë¶ÔÓ¦µÄ¿Ì¶ÈÖµ¼ÆËãÎïÌåµÄÖÊÁ¿£¬¶Á³öÎïÌå½þûˮºóË®Ãæµ½´ï¿Ì¶È£¬Çó³öÎïÌåµÄÌå»ý£¬¸ù¾ÝÃܶȹ«Ê½¼ÆËãÎïÌåµÄÃܶȣ»
£¨1£©Èçͼ¼×Ëùʾ£¬ºáÁº¾²Ö¹Ê±£¬Ö¸ÕëÖ¸ÔÚ·Ö¶ÈÅÌÖÐÑë¿Ì¶ÈÏßµÄ×ó²à£¬ËµÃ÷ÌìƽÏò×ó¶ËÇãб£¬Ó¦½«Æ½ºâÂÝĸÏòÓÒ¶ËÒƶ¯£»
£¨2£©íÀÂëÖÊÁ¿Îª50g£¬ÓÎÂëÖÊÁ¿Îª4g£¬Ê¯¿éµÄÌå»ýΪ40ml-20ml=20ml=20cm3£¬ËùÒÔ¸ù¾ÝÃܶȹ«Ê½¿É֪ʯ¿éµÄÃܶÈΪ£º
£¨3£©ÐèÒª²âÁ¿¼ÇËãµÄÊý¾Ý£ºÐ¡Ê¯¿éµÄÖÊÁ¿¡¢ÔÀ´Á¿Í²Ê¾Êý¡¢ºóÀ´Á¿Í²Ê¾Êý
¡¢Ð¡Ê¯¿éµÄÌå»ý¡¢Ð¡Ê¯¿éµÄÃܶȣ¬×÷±í¸ñÈçÏ£º
Сʯ¿éµÄÖÊÁ¿ m/g | ÔÀ´Á¿Í²Ê¾Êý V1/ cm3 | ºóÀ´Á¿Í²Ê¾Êý V2/ cm3 | Сʯ¿éµÄÌå»ýV/cm3 | Сʯ¿éµÄÃÜ¶È ¦Ñʯ/£¨gcm-3£© |