ÑïÖÝÒÇÕ÷ÊÇ¡°Ó껨ʯ¡±Ö®Ï磮СºìȡһС¿éÓ껨ʯ£¬Í¨¹ýʵÑéÀ´²â¶¨Ó껨ʯÃܶȣ®
£¨1£©µ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëÔڷֶȱê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò______£¨×ó/ÓÒ£©µ÷½Ú£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ²âÓ껨ʯµÄÖÊÁ¿£¬ËùÓõÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÓÃÁ¿Í²²â³öÓ껨ʯµÄÌå»ýÈçͼ±ûËùʾ£¬Ó껨ʯµÄÃܶÈΪ______kg/m3£®
£¨3£©ÔÚ½«Ó껨ʯÇÐƬ¼Ó¹¤µÄ¹ý³ÌÖУ¬Ó껨ʯµÄÃܶȽ«______£¨±ä´ó/±äС/²»±ä£©£®

¡¾´ð°¸¡¿·ÖÎö£º£¨1£©µ÷½ÚÌìƽʱӦ½«Æ½ºâÂÝĸÏòÖ¸ÕëƫתµÄ¶Ô²àÒƶ¯£»
£¨2£©¶ÁÈ¡ÌìƽʾÊýÓ¦½«íÀÂëÖÊÁ¿ÓëÓÎÂëʾÊýÏà¼Ó£¬¶ÁÈ¡Á¿Í²Ê¾ÊýʱÊÓÏßÓ¦Óë°¼ÒºÃæµÄ×îµÍ´¦Ïàƽ£¬ÓÃÁ½´ÎÁ¿Í²µÄʾÊý²îµÃ³öÎïÌåµÄÌå»ý£¬ÔÙÓÃÃܶȵĹ«Ê½½øÐмÆË㣻
£¨3£©ÃܶÈÊÇÎïÖʵÄÒ»ÖÖÌØÐÔ£¬ÓëËüµÄÌå»ýºÍÖÊÁ¿Ã»ÓйØϵ£®
½â´ð£º½â£º£¨1£©Í¼¼×ÖÐÖ¸ÕëÆ«ÓÒ£¬ËµÃ÷ÓÒ²àÖÊÁ¿Æ«´ó£¬Ó¦½«Æ½ºâÂÝĸÏò×óµ÷½Ú£»
£¨2£©Í¼ÒÒÖÐÌìƽµÄʾÊýΪ50g+2g=52g£¬ÎïÌåµÄÌå»ýΪ40ml-20ml=20ml=20cm3£¬Ó껨ʯµÄÃܶȦÑ===2.6g/cm3=2.6×103kg/m3£®
£¨3£©ÒòΪÃܶÈÊÇÎïÖʵÄÒ»ÖÖÌØÐÔ£¬Í¬ÖÖÎïÌåµÄÃܶȲ»»áËæÌå»ý¡¢ÖÊÁ¿µÄ±ä»¯¶ø±ä»¯£¬ËùÒÔÓ껨ʯµÄÃܶȲ»±ä£®
¹Ê´ð°¸Îª£º£¨1£©×󣻣¨2£©2.6×103£»£¨3£©²»±ä£®
µãÆÀ£º±¾Ì⿼²éÁËÌìƽµÄµ÷½ÚÓë¶ÁÊý¡¢Á¿Í²µÄ¶ÁÊý£¬ÀûÓÃÃܶȹ«Ê½½øÐмòµ¥µÄ¼ÆË㣬ÒÔ¼°¶ÔÃܶȻù±¾¸ÅÄîµÄÀí½âµÈ£¬ÊôÓÚ×î»ù±¾µÄ£¬Ò²ÊÇÎÒÃÇÓ¦¸ÃÊìÁ·ÕÆÎÕµÄ֪ʶµã£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2008?¹ÄÂ¥Çøһģ£©ÑïÖÝÒÇÕ÷ÊÇ¡°Ó껨ʯ¡±Ö®Ï磮СºìȡһС¿éÓ껨ʯ£¬Í¨¹ýʵÑéÀ´²â¶¨Ó껨ʯÃܶȣ®
£¨1£©µ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëÔڷֶȱê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò
×ó
×ó
£¨×ó/ÓÒ£©µ÷½Ú£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ²âÓ껨ʯµÄÖÊÁ¿£¬ËùÓõÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÓÃÁ¿Í²²â³öÓ껨ʯµÄÌå»ýÈçͼ±ûËùʾ£¬Ó껨ʯµÄÃܶÈΪ
2.6¡Á103
2.6¡Á103
kg/m3£®
£¨3£©ÔÚ½«Ó껨ʯÇÐƬ¼Ó¹¤µÄ¹ý³ÌÖУ¬Ó껨ʯµÄÃܶȽ«
²»±ä
²»±ä
£¨±ä´ó/±äС/²»±ä£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

ÑïÖÝÒÇÕ÷ÊÇ¡°Ó껨ʯ¡±Ö®Ï磮СºìȡһС¿éÓ껨ʯ£¬Í¨¹ýʵÑéÀ´²â¶¨Ó껨ʯÃܶȣ®
£¨1£©µ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëÔڷֶȱê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò________£¨×ó/ÓÒ£©µ÷½Ú£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ²âÓ껨ʯµÄÖÊÁ¿£¬ËùÓõÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÓÃÁ¿Í²²â³öÓ껨ʯµÄÌå»ýÈçͼ±ûËùʾ£¬Ó껨ʯµÄÃܶÈΪ________kg/m3£®
£¨3£©ÔÚ½«Ó껨ʯÇÐƬ¼Ó¹¤µÄ¹ý³ÌÖУ¬Ó껨ʯµÄÃܶȽ«________£¨±ä´ó/±äС/²»±ä£©£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2008Äê½­ËÕÊ¡ÄϾ©ÊйÄÂ¥ÇøÖп¼ÎïÀíһģÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ÑïÖÝÒÇÕ÷ÊÇ¡°Ó껨ʯ¡±Ö®Ï磮СºìȡһС¿éÓ껨ʯ£¬Í¨¹ýʵÑéÀ´²â¶¨Ó껨ʯÃܶȣ®
£¨1£©µ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëÔڷֶȱê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò______£¨×ó/ÓÒ£©µ÷½Ú£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ²âÓ껨ʯµÄÖÊÁ¿£¬ËùÓõÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£¬ÓÃÁ¿Í²²â³öÓ껨ʯµÄÌå»ýÈçͼ±ûËùʾ£¬Ó껨ʯµÄÃܶÈΪ______kg/m3£®
£¨3£©ÔÚ½«Ó껨ʯÇÐƬ¼Ó¹¤µÄ¹ý³ÌÖУ¬Ó껨ʯµÄÃܶȽ«______£¨±ä´ó/±äС/²»±ä£©£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸