µÂ»¯Ê¢²úÌÕ´É£¬Ð¡ÀîͬѧÏë²âÁ¿Ò»¿é²»¹æÔò´ÉƬµÄÃܶȣ®

£¨1£©°ÑÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬½«ÓÎÂëÒƵ½Áã¿Ì¶È´¦£¬È»ºóµ÷½Ú______ʹÌìƽƽºâ£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ²âÁ¿´ÉƬµÄÖÊÁ¿£¬ËùÓÃíÀÂëµÄ¸öÊýºÍÓÎÂëµÄλÖÃÈçͼ1Ëùʾ£¬Ôò´ÉƬµÄÖÊÁ¿Îª______g£®
£¨3£©Ëû·¢ÏÖ´ÉƬ·Å²»½øÁ¿Í²£¬¸ÄÓÃÈçͼ2ËùʾµÄ·½·¨²â´ÉƬµÄÌå»ý£º
a£®ÍùÉÕ±­ÖмÓÈëÊÊÁ¿µÄË®£¬°Ñ´ÉƬ½þû£¬ÔÚË®Ãæµ½´ïµÄλÖÃÉÏ×÷±ê¼Ç£¬È»ºóÈ¡³ö´ÉƬ£»
b£®ÏÈÍùÁ¿Í²×°Èë40mLµÄË®£¬È»ºó½«Á¿Í²µÄË®»ºÂýµ¹ÈëÉÕ±­ÖУ¬ÈÃË®Ãæµ½´ï±ê¼Ç´¦£¬Á¿Í²ÀïÊ£ÓàË®µÄÌå»ýÈçͼ3Ëùʾ£¬Ôò´ÉƬµÄÌå»ýΪ______cm3£®
£¨4£©ÓÃÃܶȹ«Ê½¼ÆËã³ö´ÉƬµÄÃܶȦÑΪ______g/cm3£®
£¨5£©¸ù¾ÝÒÔÉϲ½Ö裬ÄãÈÏΪСÀîͬѧ²â³öµÄ´ÉƬÃܶÈÖµ______£¨Ñ¡Ìî¡°Æ«´ó¡±»ò¡°Æ«Ð¡¡±£©£®
£¨1£©Ììƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬½«ÓÎÂëÒƵ½Áã¿Ì¶È´¦£¬È»ºóµ÷½ÚƽºâÂÝĸ£¬Ê¹Ììƽƽºâ£®
£¨2£©´ÉƬµÄÖÊÁ¿ÊÇ20g+10g+2g=32g£®
£¨3£©ÓÉͼ3¿ÉÖª£¬Á¿Í²ÖÐÒºÌåµÄ°¼ÒºÃæµÄµ×²¿Óë26mL¿Ì¶ÈÏßÏàƽ£¬ËùÒÔ´ÉƬµÄÌå»ý£º40mL-26mL=14mL=14cm3£®
£¨4£©¦Ñ=
m
V
=
32g
14cm3
=2.29g/cm3£®
£¨5£©ÒòΪȡ³ö´ÉƬʱ£¬´ÉƬÉÏ»áÕ´ÓÐË®£¬Òò´Ëµ¹ÈëË®µÄÌå»ý´óÓÚ´ÉƬµÄÌå»ý£¬ÓɦÑ=
m
v
¿ÉÖª£¬²âÁ¿½á¹ûƫС£®
¹Ê´ð°¸Îª£º£¨1£©Æ½ºâÂÝĸ£»£¨2£©32£»£¨3£©14£»£¨4£©2.29£»£¨5£©Æ«Ð¡£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

СÃ÷Ϊ²âÁ¿Ä³½ðÊô¿éµÄÃܶȣº
(l£©Óõ÷½ÚºÃµÄÌìƽ²â½ðÊô¿éµÄÖÊÁ¿£¬Ììƽƽºâʱ£¬ÓÒÅÌÖÐËù¼ÓµÄíÀÂëºÍÓÎÂëλÖÃÈçͼ¼×Ëùʾ¡£ÔòËù²â½ðÊô¿éµÄÖÊÁ¿ÊÇ____g¡£
(2£©°Ñ½ðÊô¿é·ÅÈË×°ÓÐ60cm3Ë®µÄÁ¿Í²ÖУ¬ÒºÃæÉÏÉýµÄλÖÃÈçͼÒÒËùʾ£¬Ôò½ðÊô¿éµÄÌå»ýÊÇ
___   cm3¡£¸Ã½ðÊô¿éµÄÃܶÈÊÇ_______ g /cm3¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ÓÃÌìƽ²âÒ»¿éʯͷµÄÖÊÁ¿£¬ËùÓÃíÀÂëºÍÓÎÂëµÄλÖÃÈçͼËùʾ£»ÓÃÁ¿Í²²âʯ¿éÌå»ý£¬Á¿Í²ÄÚÔ­ÓÐ40cm2µÄË®£¬·ÅÈëʯ¿éºóÁ¿Í²ÖÐË®ÃæµÄλÖÃÈçͼËùʾ£¬Ôòʯ¿éµÄÖÊÁ¿Îª______g£¬Ìå»ýΪ______cm3£¬Ê¯¿éµÄÃܶÈΪ______kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ÎÒÊ¡¶¨Î÷µÄÍÁ¶¹½«´ú±í¸ÊËàÊ¡²Î¼Ó¡°Öйú¹ú¼ÊÊíÒµ²©ÀÀ»á¡±£®½ìʱ£¬ÎôÈÕÒÔ¡°¿àñ¤¼×ÌìÏ¡±¶øÎÅÃûµÄ¶¨Î÷½«¾ÙÎÕ¡°ÍÁ¶¹¡±´óÆìÔÚ¹ú¼ÊÎę̀ÉÏչʾ·ç²É£®ÔÚѧÍêÖÊÁ¿ºÍÃܶÈÒ»Õºó£¬ÀîÇ¿ºÍÁõÀö¾ö¶¨²â³öÍÁ¶¹µÄÃܶȣ¬ËûÃÇÈ¡ÁËһСÍÁ¶¹½øÐÐʵÑ飮
£¨1£©ÊµÑéʱ£¬ÀîǿʹÓÃÌìƽ²âÁ¿ÍÁ¶¹µÄÖÊÁ¿£º
¢ÙËûÊ×ÏȽ«Ììƽ·ÅÔÚˮƽ̨ÉÏ£¬È»ºóÓ¦½«______ÒÆÖÁÁã¿Ì¶È´¦£¬È»ºóµ÷½Ú______£®Ê¹ÌìƽºáÁºÆ½ºâ£»
¢Úµ±Ììƽµ÷ƽºâºó£¬ÔÙ²âÁ¿ÍÁ¶¹ÖÊÁ¿£¬Ëû¼ÓÔÚÌìƽÓÒÅ̵ÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼ£¨¼×£©Ëùʾ£¬ÔòÕâ¿éÍÁ¶¹µÄÖÊÁ¿Îª______g£»
£¨2£©ÁõÀö¸ºÔð²âÁ¿ÍÁ¶¹µÄÌå»ý£¬ËýÏÈÔÚÁ¿Í²Öе¹ÈëÒ»¶¨Ìå»ýµÄË®£¬È»ºó½«ÍÁ¶¹ÍêÈ«½þûÔÚË®ÖУ¬Èçͼ£¨ÒÒ£©Ëùʾ£¬ÔòËý²âµÃÕâ¸öÍÁ¶¹µÄÌå»ýΪ______cm3£»
£¨3£©¸ù¾ÝÒÔÉϲâÁ¿½á¹û£¬ÍÁ¶¹µÄÃܶÈΪ______kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

С·ãͬѧÏëÖªµÀÏðƤÄàµÄÃܶÈÓжà´ó£¬ËûÓÃÌìƽ¡¢Á¿Í²¡¢Ë®ºÍϸÏß½øÐÐÈçͼËùʾµÄʵÑé²Ù×÷£º

£¨1£©°ÑÌìƽ·ÅÔÚ______ÉÏ£¬²¢½«ÓÎÂëÒÆÖÁ±ê³ß×ó¶ËÁã¿ÌÏß´¦£¬µ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëÔÚ·Ö¶ÈÅ̱ê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«Æ½ºâÂÝĸÏò______£¨Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©µ÷½Ú£®
£¨2£©ÔÚÈçͼÒÒËùʾµÄʵÑé¹ý³ÌÖУ¬ºÏÀíµÄ²Ù×÷˳ÐòÊÇ£¨ÌîÈçͼ¶ÔÓ¦µÄ×Öĸ·ûºÅ£©£º______£®
£¨3£©ÓÉͼÒÒ¿ÉÖª£¬ÏðƤÄàÖÊÁ¿m=______g£¬Í¨¹ý¼ÆË㣬ÏðƤÄàµÄÃܶȦÑ=______kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÌî¿ÕÌâ

Íõ±øÔÚ¡°²âÁ¿Ê¯¿éµÄÃܶȡ±Ê±£¬²â³ö¼¸×éÊý¾Ý£¬¸ù¾ÝÕâЩÊý¾Ý»æ³öͼÏó£¬ÈçͼËÄ·ùͼÏóÖУ¬ÄÜÕýÈ·±íʾʯ¿é¡°ÖÊÁ¿ÓëÌå»ýµÄ¹Øϵ¡±µÄͼÏóÊÇ______£¬ÄÜÕýÈ·±íʾ¡°ÃܶÈÓëÖÊÁ¿µÄ¹Øϵ¡±µÄͼÏóÊÇ______

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ͬѧÃÇÔÚʵÑéÊÒÄÚ²âijÖÖС¿óʯµÄÃܶȣ¬Ñ¡ÓõÄÆ÷²ÄΪÌìƽ£¬Á¿Í²£¬Ð¡¿óʯ£¬Ï¸Ïߣ¬ÉÕ±­ºÍË®£®
£¨1£©ÔÚµ÷½ÚÌìƽºáÁºÆ½ºâʱ£¬·¢ÏÖÖ¸ÕëλÖÃÈçͼ¼×Ëùʾ£¬´ËʱӦ½«ÓҶ˵ÄƽºâÂÝĸÏò______µ÷£¨Ñ¡Ìî¡°×ó¡±»ò¡°ÓÒ¡±£©£®
£¨2£©Óõ÷½ÚºÃµÄÌìƽ³ÆС¿óʯµÄÖÊÁ¿£¬·ÅÔÚÓÒÅÌÖеÄíÀÂëºÍÓÎÂëµÄλÖÃÈçͼÒÒËùʾ£»Á¿Í²Á¿³öС¿óʯµÄÌå»ýÈçͼ±ûËùʾ£¬ÓÉ´Ë¿ÉÖª£¬Ð¡¿óʯµÄÖÊÁ¿Îª______g£¬¿óʯµÄÌå»ýΪ______cm3£¬ÔòС¿óʯµÄÃܶȦÑ=______kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ÏÖÓÐA¡¢BÁ½±­ÒºÌ壬ÆäÖÐA±­ÄÚÒºÌåΪ´¿Ë®£¬ÃܶÈΪ¦ÑA£¬B±­ÄÚÒºÌåµÄÃܶȦÑBδ֪£®Îª²âÁ¿B±­ÄÚÒºÌåµÄÃܶȣ¬Ä³Í¬Ñ§ÔÚʵÑéÊÒÄÚÀûÓÿ̶ȳßÖÆ×÷ÁËÒ»¸öÓй̶¨×ªÖáµÄ¸Ü¸Ë£¬Á½Á¦±Û³¤Ö®±Èl1£ºl2=1£º2£®²¢Óò»Í¬²ÄÖÊ¡¢Ïàͬºñ¶ÈµÄ°åÖƳÉÐÎ×´ÏàͬµÄ¼×¡¢ÒÒÁ½°ÑºÁÃ׿̶ÈÖ±³ß£¬²¢½«¼×¡¢ÒÒÁ½°Ñ³ß·Ö±ðÐü¹ÒÔڸܸ˵ÄÁ½²à¶ËµãÉÏ£¬ÈçͼËùʾ£®´ËÍ⣬¸Ãͬѧ»¹È¡À´ÁËһЩÏðƤÄ࣮ÇëÄã˳×ÅÒÔÉÏÐðÊö£¬Ð´³öijͬѧ½ÓÏÂÀ´µÄʵÑé²½Öè¡¢ÐèÒª²âÁ¿µÄÎïÀíÁ¿£¬²¢ÍƵ¼µÃ³öÓÃÕâЩÎïÀíÁ¿ÇóB±­ÄÚÒºÌåÃܶȵļÆË㹫ʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºÎÊ´ðÌâ

ÈçͼÊǹÌÌåÃܶȽ×ÌݵÄʾÒâͼ£¬ÈôÓÐÏàͬÖÊÁ¿µÄÌú¡¢Í­¡¢Ç¦¡¢ÒøËÄÖÖ½ðÊô£¬ÆäÖÐÌå»ý×î´óµÄÊÇ______£®µÚʮһ½ìÑÇÔË»á¼ÍÄî±ÒµÄÖÊÁ¿Îª16.1g£¬Ìå»ýΪ1.8cm3£¬ËüÊÇÓýðÊô______ÖƳɵģ®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸