ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶȣ®
£¨1£©ÏȽ«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬È»ºó½«ÓÎÂëÒÆÖÁºáÁº±ê³ßµÄ×ó¶ËÁã¿Ì¶È´¦£®Èô·¢ÏÖÌìƽָÕëλÖÃÈçͼ¼×Ëùʾ£¬ÔòÓ¦½«Æ½ºâÂÝĸÏò______²àµ÷½Ú£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£®
£¨2£©µ±Ììƽƽºâºó£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼÒÒËùʾ£®¿óʯµÄÖÊÁ¿ÊÇ______g£»
£¨3£©Èç¹û°ÑÕâ¸öʵÑé´øµ½ÔÂÇòÉÏ×ö£¬²âÁ¿½á¹û______£¨Ìî±ä´ó¡¢±äС»òÕß²»±ä£©£®
£¨4£©¿óʯ·ÅÈëÁ¿Í²Ç°¡¢ºó£¬Á¿Í²ÖÐË®ÃæλÖÃÈçͼ11±ûËùʾ£®¿óʯµÄÌå»ýÊÇ______cm3£¬Ôò¿óʯµÄÃܶÈÊÇ______g/cm3£¬ºÏ______kg/m3£®

¡¾´ð°¸¡¿·ÖÎö£º£¨1£©ÌìƽµÄµ÷½ÚÔ­Ôò£º×óÆ«ÓÒµ÷£¬ÓÒÆ«×óµ÷£¬ÏÈ¿ìºóÂý£®
£¨2£©ÌìƽµÄ·Ö¶ÈֵΪ0.2¸ö£¬Ììƽ¶ÁÊýµÈÓÚíÀÂëÖÊÁ¿¼ÓÓÎÂë¶ÔÓ¦µÄ¿Ì¶ÈÖµ£®
£¨3£©ÔÂÇò±íÃæÒýÁ¦ÎªµØÇò±íÃæµÄÁù·ÖÖ®Ò»£¬ÌìƽÁ¿Í²ÈÔÕý³£Ê¹Óã®
£¨4£©¿óʯÌå»ýΪÁ¿Í²Á½´Î¶ÁÊýÖ®²î£¬ÃܶÈÓæÑ=À´¼ÆË㣮
½â´ð£º½â£º£¨1£©Ö¸Õë×óÆ«£¬Ó¦ÓÒµ÷£®
¹Ê´ð°¸Îª£ºÓÒ£®
£¨2£©¿óʯÖÊÁ¿m=50g+3.4g=53.4g£®
¹Ê´ð°¸Îª£º53.4g£®
£¨3£©ÔÚÔÂÇòÉϲâ³öµÄÖÊÁ¿Ìå»ý¶¼²»±ä£®
¹Ê´ð°¸Îª£º²»±ä£®
£¨4£©¿óʯÌå»ýV=V2-V1=60ml-40ml=20ml=20cm3£¬ÃܶȦÑ===2.67g/cm3=2.67×103kg/m3£®
¹Ê´ð°¸Îª£º20£»2.67£»2.67×103£®
µãÆÀ£º²â¹ÌÌåÃܶȵĻù±¾·½·¨ÓÐÁ½ÖÖ£ºÒ»ÊDZ¾ÌâÓõ½µÄ·½·¨£»¶þÊÇÀûÓø¡Á¦ÖªÊ¶£¬Óõ¯»É²âÁ¦¼Æ²â³ö¹ÌÌåÖØÁ¦G£¬½«¹ÌÌå½þûˮÖвâ³ö¶ÁÊýΪF£¬¹ÌÌåÖÊÁ¿m=£¬¹ÌÌåÌå»ýV=£¬¹ÌÌåÃܶÈΪ¦Ñ=¦ÑË®£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

2005Äê±±¾©Ë³ÒåÇø£©ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶȣ®°Ñ¿óʯ·ÅÔÚµ÷½ÚºÃµÄÍÐÅÌÌìƽµÄ×óÅÌÖУ¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ1Ëùʾ£®¿óʯµÄÖÊÁ¿ÊÇ
 
g£»¿óʯ·ÅÈëÁ¿Í²Ç°¡¢ºó£¬Á¿Í²ÖÐË®ÃæλÖÃÈçͼ2Ëùʾ£®¿óʯµÄÌå»ýÊÇ
 
cm3£¬ÃܶÈÊÇ
 
g/cm3£®¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶȣ®
£¨1£©ÏȽ«Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬È»ºó½«ÓÎÂëÒÆÖÁºáÁº±ê³ßµÄ×ó¶ËÁã¿Ì¶È´¦£®Èô·¢ÏÖÌìƽָÕëλÖÃÈçͼ¼×Ëùʾ£¬ÔòÓ¦½«Æ½ºâÂÝĸÏò
 
²àµ÷½Ú£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£®
£¨2£©µ±Ììƽƽºâºó£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼÒÒËùʾ£®¿óʯµÄÖÊÁ¿ÊÇ
 
g£»
£¨3£©Èç¹û°ÑÕâ¸öʵÑé´øµ½ÔÂÇòÉÏ×ö£¬²âÁ¿½á¹û
 
£¨Ìî±ä´ó¡¢±äС»òÕß²»±ä£©£®
£¨4£©¿óʯ·ÅÈëÁ¿Í²Ç°¡¢ºó£¬Á¿Í²ÖÐË®ÃæλÖÃÈçͼ11±ûËùʾ£®¿óʯµÄÌå»ýÊÇ
 
cm3£¬Ôò¿óʯµÄÃܶÈÊÇ
 
g/cm3£¬ºÏ
 
kg/m3£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2012?³É¶¼¶þÄ££©ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶȣ¬°Ñ¿óʯ·ÅÔÚµ÷½ÚºÃµÄÍÐÅÌÌìƽµÄ×óÅÌÖУ¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ1Ëùʾ£¬¿óʯµÄÖÊÁ¿ÊÇ
53.4
53.4
g£»¿óʯ·ÅÈëÁ¿Í²Ç°¡¢ºó£¬Á¿Í²ÖÐË®ÃæλÖÃÈçͼ2Ëùʾ£¬ÃܶÈÊÇ
2.67
2.67
g/cm3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶÈʱ£¬°Ñ¿óʯ·ÅÔÚµ÷½ÚºÃµÄÍÐÅÌÌìƽµÄ×óÅÌÖУ¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ£¨¼×£©Ëùʾ£¬¿óʯµÄÖÊÁ¿ÊÇ
52.2
52.2
g£»¿óʯ·ÅÈëÁ¿Í²Ç°ºó£®Á¿Í²ÖÐË®ÃæλÖÃÈçͼ£¨ÒÒ£©Ëùʾ£¬¿óʯµÄÌå»ýÊÇ
20
20
cm3£¬ÃܶÈÊÇ
2.61
2.61
g/cm3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÓÃÌìƽºÍÁ¿Í²²â¶¨¿óʯµÄÃܶȣ®°ÑÌìƽ·ÅÔÚˮƽ̨ÉÏʱ·¢ÏÖÖ¸ÕëÈçͼ¼×Ëùʾ£¬ÔòÓ¦¸Ã°ÑÓҶ˵ÄƽºâÂÝĸÏò
ÓÒ
ÓÒ
¶Ëµ÷£®È»ºó°Ñ¿óʯ·ÅÔÚµ÷½ÚºÃµÄÍÐÅÌÌìƽµÄ×óÅÌÖУ¬µ±Ììƽƽºâʱ£¬ÓÒÅÌÖеÄíÀÂëÒÔ¼°ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼÒÒËùʾ£¬Ôò¿óʯµÄÖÊÁ¿ÊÇ
53.4
53.4
g£¬¿óʯ·ÅÈëÁ¿Í²Ç°¡¢ºó£¬Á¿Í²ÖÐË®ÃæλÖÃÈçͼ±ûËùʾ£¬Ôò¿óʯµÄÌå»ýÊÇ
20
20
cm3£¬¿óʯµÄÃܶÈÊÇ
2.67¡Á103
2.67¡Á103
kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸