²âʯ¿éµÄÃܶÈ
£¨1£©Óõ÷½ÚºÃµÄÌìƽ³Æʯ¿éµÄÖÊÁ¿£®°Ñʯ¿é·ÅÔÚÌìƽµÄ
×ó
×ó
ÅÌÄÚ£¬ÁíÒ»ÅÌÄÚÓÐ50gµÄíÀÂëÒ»¸ö£¬ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼһËùʾ£¬µ±Ììƽƽºâ£¬Ôòʯ¿éµÄÖÊÁ¿ÊÇ
53.2
53.2
g£®
£¨2£©°Ñʯ¿é·ÅÈëÊ¢ÓÐ40cm3Ë®µÄÁ¿Í²ÒÔºó£¬Ë®ÃæËùµ½´ïµÄλÖÃÈçͼ¶þËùʾ£¬Ôòʯ¿éµÄÌå»ýÊÇ
20
20
cm3£®£¨1mL=1cm3£©
£¨3£©Ê¯¿éµÄÃܶÈÊÇ
2.66
2.66
g/cm3£¬ºÏ
2.66¡Á103
2.66¡Á103
 kg/m3£®
·ÖÎö£º£¨1£©¸ù¾ÝÌìƽµÄ¶ÁÊý·½·¨£¬ÎïÌåµÄÖÊÁ¿µÈÓÚíÀÂëµÄÖÊÁ¿¼ÓÉÏÓÎÂëËù¶Ô¿Ì¶È£¬¶øҪ׼ȷ¶Á³öÓÎÂëËù¶Ô¿Ì¶È£¬±ØÐëÃ÷È·±ê³ßµÄ·Ö¶ÈÖµ¼°ÒÔÓÎÂë×ó¶ËËù¶Ô¿Ì¶ÈΪ׼£®
£¨2£©ÓÃÅÅË®·¨²âÁ¿Ê¯¿é¿éµÄÌå»ý£¬¶Áȡʯ¿éµÄÌå»ýʱ£¬ÊÓÏßÓëÒºÃ棨°¼ÒºÃæµÄµ×²¿£©Ïàƽ£®ÒÑÖªÁ¿Í²Ë®µÄÌå»ýV=40cm3£¬È»ºó²âÁ¿Ê¯¿é¿éºÍË®µÄ×ÜÌå»ýV1£¬ÔòVʯ=V1-V£®
¸ù¾ÝÃܶȹ«Ê½¦Ñ=
m
V
Çó³öʯ¿éÃܶȣ®1g/cm3=1¡Á103kg¨Mm3£®
½â´ð£º½â£º£¨1£©¸ù¾ÝÌìƽµÄ¶ÁÊý·½·¨£¬ÈçͼËùʾ£¬±¾ÓÎÂë±ê³ßµÄ·Ö¶ÈÖµÊÇ0.2g£¬mʯ=ÓÎÂëÖÊÁ¿+ÓÎÂë¶ÔÓ¦¿Ì¶ÈÖµ=50g+3.2g=53.2g£»
£¨2£©¸ù¾ÝÁ¿Í²µÄ¶ÁÊý·½·¨£¬ÊÓÏßÓëÒºÃæ°¼Ãæµ×²¿Æ½ÐУ¬ÒÑ֪ˮµÄÌå»ýV=40cm3£¬Ê¯¿é¿éºÍË®µÄ×ÜÌå»ýV1=60cm3£¬
¡àVʯ=V1-V=60cm3-40cm3=20cm3£»
ÒÑ֪ʯ¿éÖÊÁ¿mʯ=53.2g£¬Ê¯¿éÌå»ýVʯ=20cm3£¬
¡àʯ¿éµÄÃܶȣº¦Ñ=
m
V
=
53.2g
20cm3
=2.66g/cm3=2.66¡Á103kg¨Mm3£»
¹Ê´ð°¸Îª£º£¨1£©×ó£»53.2£»£¨2£©20£»£¨3£©2.66£»2.66¡Á103£®
µãÆÀ£º²â¹ÌÌåµÄÃܶÈÊdzõÖÐÎïÀí±È½Ï»ù±¾µÄʵÑ飬±¾Ì⿼²éÓÃÌìƽºÍÁ¿Í²µÄ¶ÁÊýÒÔ¼°ÃܶȵļÆË㣬¿¼²éÁËѧÉúµÄʵÑéÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Í¼ÖУ¬Ä¾¿éBµÄ³¤¶ÈΪ
 
cm£®
¾«Ó¢¼Ò½ÌÍø
£¨2£©Èçͼ±íʾһ֧ζȼƵÄÒ»²¿·Ö£¬ËüµÄʾÊýÊÇ
 
¡æ£®
¾«Ó¢¼Ò½ÌÍø
£¨3£©Í¼Öе¯»É²âÁ¦¼ÆµÄʾÊýÊÇ
 
N£®
¾«Ó¢¼Ò½ÌÍø
£¨4£©²âʯ¿éµÄÃܶÈʵÑé²½Ö裺
¾«Ó¢¼Ò½ÌÍø
¢ÙÓõ÷½ÚºÃµÄÌìƽ³Æʯ¿éµÄÖÊÁ¿£¬°Ñʯ¿é·ÅÔÚÌìƽµÄ×óÅÌ£¬µ±ÓÒÅÌÄÚÓÐ50gµÄíÀÂëÒ»¸ö£¬ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼ¼×Ëùʾʱ£¬Ììƽƽºâ£¬Ôòʯ¿éµÄÖÊÁ¿ÊÇ
 
g£®
¢Ú°Ñʯ¿é·ÅÈëÊ¢ÓÐ40cm3Ë®µÄÁ¿Í²ÒÔºó£¬Ë®ÃæËù´ïµ½µÄλÖÃÈçͼÒÒËùʾ£¬Ôòʯ¿éµÄÌå»ýÊÇ
 
cm3£¬Ê¯¿éµÄÃܶÈÊÇ
 
kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º½â´ðÌâ

²âʯ¿éµÄÃܶÈ
£¨1£©Óõ÷½ÚºÃµÄÌìƽ³Æʯ¿éµÄÖÊÁ¿£®°Ñʯ¿é·ÅÔÚÌìƽµÄ______ÅÌÄÚ£¬ÁíÒ»ÅÌÄÚÓÐ50gµÄíÀÂëÒ»¸ö£¬ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼһËùʾ£¬µ±Ììƽƽºâ£¬Ôòʯ¿éµÄÖÊÁ¿ÊÇ______g£®
£¨2£©°Ñʯ¿é·ÅÈëÊ¢ÓÐ40cm3Ë®µÄÁ¿Í²ÒÔºó£¬Ë®ÃæËùµ½´ïµÄλÖÃÈçͼ¶þËùʾ£¬Ôòʯ¿éµÄÌå»ýÊÇ______cm3£®£¨1mL=1cm3£©
£¨3£©Ê¯¿éµÄÃܶÈÊÇ______g/cm3£¬ºÏ______ kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

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

²âʯ¿éµÄÃܶÈ
£¨1£©Óõ÷½ÚºÃµÄÌìƽ³Æʯ¿éµÄÖÊÁ¿£®°Ñʯ¿é·ÅÔÚÌìƽµÄ______ÅÌÄÚ£¬ÁíÒ»ÅÌÄÚÓÐ50gµÄíÀÂëÒ»¸ö£¬ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼһËùʾ£¬µ±Ììƽƽºâ£¬Ôòʯ¿éµÄÖÊÁ¿ÊÇ______g£®
£¨2£©°Ñʯ¿é·ÅÈëÊ¢ÓÐ40cm3Ë®µÄÁ¿Í²ÒÔºó£¬Ë®ÃæËùµ½´ïµÄλÖÃÈçͼ¶þËùʾ£¬Ôòʯ¿éµÄÌå»ýÊÇ______cm3£®£¨1mL=1cm3£©
£¨3£©Ê¯¿éµÄÃܶÈÊÇ______g/cm3£¬ºÏ______ kg/m3£®
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2006-2007ѧÄê½­ËÕÊ¡ÎÞÎýÊÐÒËÐËÊÐÑîÏïÖÐѧ¾ÅÄ꼶£¨ÉÏ£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

²âʯ¿éµÄÃܶÈ
£¨1£©Óõ÷½ÚºÃµÄÌìƽ³Æʯ¿éµÄÖÊÁ¿£®°Ñʯ¿é·ÅÔÚÌìƽµÄ______ÅÌÄÚ£¬ÁíÒ»ÅÌÄÚÓÐ50gµÄíÀÂëÒ»¸ö£¬ÓÎÂëÔÚ±ê³ßÉϵÄλÖÃÈçͼһËùʾ£¬µ±Ììƽƽºâ£¬Ôòʯ¿éµÄÖÊÁ¿ÊÇ______g£®
£¨2£©°Ñʯ¿é·ÅÈëÊ¢ÓÐ40cm3Ë®µÄÁ¿Í²ÒÔºó£¬Ë®ÃæËùµ½´ïµÄλÖÃÈçͼ¶þËùʾ£¬Ôòʯ¿éµÄÌå»ýÊÇ______cm3£®£¨1mL=1cm3£©
£¨3£©Ê¯¿éµÄÃܶÈÊÇ______g/cm3£¬ºÏ______ kg/m3£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸