ΪÁ˲ⶨijÖÖ½ðÊô¿éµÄÃܶȣ¬ÊµÑéµÄÖ÷Òª¹ý³ÌÈçÏ£¬µ«Ë³ÐòÊÇ»ìÂҵģ®
A¡¢¹Û²â¼Ç¼Á¿Í²Àï·ÅÈë½ðÊô¿éºóË®ÃæµÄ¿Ì¶ÈÖµ£»£¨Í¼1£©
B¡¢¹Û²â¼Ç¼Á¿Í²Ë®ÃæµÄ¿Ì¶ÈÖµ£»£¨Í¼2£©
C¡¢°Ñ½ðÊô¿é·ÅÈëÌìƽµÄ×óÅÌ£¬ÔÚÌìƽÓÒÅÌ·ÅÈëíÀÂëʹºáÁºÆ½ºâ£»
D¡¢¼Ç¼ÌìƽÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿£¨Í¼3£©£¬°ÑíÀÂë·Å»ØºÐÄÚ£»
E¡¢µ÷½ÚÍÐÅÌÌìƽʹºáÁºÆ½ºâ£»
F¡¢¼ÆËã³ö½ðÊô¿éµÄÌå»ý£®

Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çë°´ºÏÀíµÄʵÑé²½Ö轫ÉÏÊöʵÑé¹ý³ÌµÄ×Öĸ·ûºÅÒÀ´ÎÌîд³öÀ´£º
ECDBAF
ECDBAF
£®
£¨2£©½ðÊô¿éµÄÌå»ýÊÇ
30cm3
30cm3
£®
£¨3£©½ðÊô¿éµÄÖÊÁ¿ÊÇ
234.3g
234.3g
£®
£¨4£©½ðÊô¿éµÄÃܶÈÊÇ
7.8g/cm3
7.8g/cm3
£®
·ÖÎö£º²â¹ÌÌåÃܶȵÄÔ­ÀíÊǦÑ=
m
V
£¬ÏÈÓÃÌìƽ²âÖÊÁ¿£¬ÔÙ¸ù¾ÝÅÅË®·¨²âÌå»ý£®
½â´ð£º½â£º
£¨1£©½«Ììƽ·Åµ½Ë®Æ½Ì¨ÉÏ£¬µ÷½ÚÁ½¶ËƽºâÂÝĸÊǺáÁºÆ½ºâ£¬ÓÃÌìƽ²â³ö½ðÊô¿éµÄÖÊÁ¿m£¬ÔÚÁ¿Í²Öе¹ÈëÊÊÁ¿Ë®£¬¶Á³öÌå»ýΪV1£¬ÔÙ½«½ðÊô¿é½þûˮÖУ¬¶Á³öÌå»ýΪV2£®
¹ÊÑ¡ECDBAF£®
£¨2£©½ðÊô¿éÌå»ýV=80ml-50ml=30ml=30cm3
¹Ê´ð°¸Îª£º30cm3£®
£¨3£©½ðÊô¿éÖÊÁ¿m=200g+20g+10g+2g+2g+0.2g+0.1g=234.3g
¹Ê´ð°¸Îª£º234.3g£®
£¨4£©½ðÊô¿éÃܶȦÑ=
m
V
=
234.3g
30cm3
=7.8g/cm3
¹Ê´ð°¸Îª£º7.8g/cm3£®
µãÆÀ£º³õÖÐÎïÀí¶Ô¹ÌÌåÃܶȵIJâÁ¿ÒªÇó½Ï¸ß£¬±¾ÌâÊDZØÐëÕÆÎյĻù´¡Ì⣡
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ΪÁ˲ⶨijÖÖ½ðÊô¿éµÄÃܶȣ¬ÊµÑéµÄÖ÷Òª¹ý³ÌÈçÏ£¬µ«Ë³ÐòÊÇ»ìÂҵģ®
A¡¢¹Û²â¼Ç¼Á¿Í²Àï·ÅÈë½ðÊô¿éºóË®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

B¡¢¹Û²â¼Ç¼Á¿Í²Ë®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

C¡¢°Ñ½ðÊô¿é·ÅÈëÌìƽµÄ×óÅÌ£¬ÔÚÌìƽÓÒÅÌ·ÅÈëíÀÂëʹºáÁºÆ½ºâ£»
D¡¢¼Ç¼ÌìƽÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿£¨Èçͼ£©£¬°ÑíÀÂë·Å»ØºÐÄÚ£»

E¡¢µ÷½ÚÍÐÅÌÌìƽʹºáÁºÆ½ºâ£»
F¡¢¼ÆËã³ö½ðÊô¿éµÄÌå»ý£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çë°´ºÏÀíµÄʵÑé²½Ö轫ÉÏÊöʵÑé¹ý³ÌµÄ×Öĸ·ûºÅÒÀ´Îд³öÀ´
ECDBAF
ECDBAF
£»
£¨2£©½ðÊô¿éµÄÌå»ýÊÇ
30ml
30ml
£®
£¨3£©½ðÊô¿éµÄÖÊÁ¿ÊÇ
234.3g
234.3g
£®
£¨4£©½ðÊô¿éµÄÃܶÈÊÇ
7.81g/cm3
7.81g/cm3
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ΪÁ˲ⶨijÖÖ½ðÊô¿éµÄÃܶȣ¬Ä³Í¬Ñ§²ÉÓÃÈçϼ¸¸ö²½Ö裺

A¡¢°Ñ½ðÊô¿é·ÅÈëÁ¿Í²À¼Ç¼ˮÃæµÄ¿Ì¶ÈֵΪV1£»
B¡¢ÔÚÁ¿Í²Àïµ¹ÈËÊÊÁ¿Ë®Ã棬¼Ç¼ˮÃæ¿Ì¶ÈֵΪΪV2£»
C¡¢°Ñ½ðÊô¿é·ÅÈëÌìƽµÄ×óÅÌ£¬ÔÚÌìƽÓÒÅÌ·ÅÈëíÀÂëʹºáÁºÆ½ºâ£»
D¡¢¼Ç¼ÌìƽÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿Îªm£¬
E¡¢°ÑÌìƽ·ÅÔÚˮƽ×ÀÃæÉÏ£¬µ÷½ÚÍÐÅÌÌìƽʹºáÁºÆ½ºâ£»
F¡¢¼ÆËã³ö½ðÊô¿éµÄÃܶȣ®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©ºÏÀíµÄ˳ÐòÊÇ
E¡¢C¡¢D¡¢B¡¢A¡¢F
E¡¢C¡¢D¡¢B¡¢A¡¢F
£®
£¨2£©Á¿Í²ÀïË®¶àÉÙΪ¡±ÊÊÁ¿¡±
½ðÊô¿é·ÅÈëÁ¿Í²Ê±£¬Ë®ÄÜÍêÈ«½þû½ðÊô¿é£¬ÇÒË®²»»á´ÓÁ¿Í²ÖÐÒç³ö
½ðÊô¿é·ÅÈëÁ¿Í²Ê±£¬Ë®ÄÜÍêÈ«½þû½ðÊô¿é£¬ÇÒË®²»»á´ÓÁ¿Í²ÖÐÒç³ö
£®
£¨3£©¹Û²ìË®µÄÌå»ýʱҪעÒâÊÓÏßÓ¦Óë
ÒºÃæµÄ°¼Ðε×ÃæÏàƽ
ÒºÃæµÄ°¼Ðε×ÃæÏàƽ
£®
£¨4£©½ðÊô¿éµÄÃܶȱí´ïʽÊÇ
¦Ñ=
m
V1-V2
¦Ñ=
m
V1-V2
£®
£¨5£©ÔÚÉÏÊö±¾ÊµÑéÖУ¬Èç¹ûÓжà¿é²»Í¬ÖÊÁ¿µÄ½ðÊô¿é1¡¢½ðÊô¿é2¡¢½ðÊô¿é3¡­£¬·Ö±ð²â³öËüÃǵÄÖÊÁ¿ºÍÌå»ýΪm1ºÍV1¡¢m2ºÍv2¡¢m3ºÍV3¡­£¬ÒÔm×÷Ϊ×Ý×ø±êºÍÒÔV×÷Ϊºá×ø±ê£¬Ãèµãºó°Ñ¸÷µãÁ¬ÆðÀ´µÄͼÏó×î¿ÉÄܵÄÊÇͼÖеÄÄÄÒ»¸öͼ£¿
µÚÒ»¸öͼ
µÚÒ»¸öͼ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2011-2012ѧÄêÔÆÄÏÊ¡Çú¾¸ÊÐʦ×ÚÈýÖоÅÄ꼶£¨ÉÏ£©Ô¿¼ÎïÀíÊÔ¾í£¨Ò»£©£¨11--13Õ£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ΪÁ˲ⶨijÖÖ½ðÊô¿éµÄÃܶȣ¬ÊµÑéµÄÖ÷Òª¹ý³ÌÈçÏ£¬µ«Ë³ÐòÊÇ»ìÂҵģ®
A¡¢¹Û²â¼Ç¼Á¿Í²Àï·ÅÈë½ðÊô¿éºóË®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

B¡¢¹Û²â¼Ç¼Á¿Í²Ë®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

C¡¢°Ñ½ðÊô¿é·ÅÈëÌìƽµÄ×óÅÌ£¬ÔÚÌìƽÓÒÅÌ·ÅÈëíÀÂëʹºáÁºÆ½ºâ£»
D¡¢¼Ç¼ÌìƽÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿£¨Èçͼ£©£¬°ÑíÀÂë·Å»ØºÐÄÚ£»

E¡¢µ÷½ÚÍÐÅÌÌìƽʹºáÁºÆ½ºâ£»
F¡¢¼ÆËã³ö½ðÊô¿éµÄÌå»ý£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çë°´ºÏÀíµÄʵÑé²½Ö轫ÉÏÊöʵÑé¹ý³ÌµÄ×Öĸ·ûºÅÒÀ´Îд³öÀ´______£»
£¨2£©½ðÊô¿éµÄÌå»ýÊÇ______£®
£¨3£©½ðÊô¿éµÄÖÊÁ¿ÊÇ______£®
£¨4£©½ðÊô¿éµÄÃܶÈÊÇ______£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º2007-2008ѧÄê¹ã¶«Ê¡Õ¿½­ÊÐÐìÎÅÏØÐì³ÇÖÐѧ¾ÅÄ꼶£¨ÉÏ£©Ô¿¼ÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

ΪÁ˲ⶨijÖÖ½ðÊô¿éµÄÃܶȣ¬ÊµÑéµÄÖ÷Òª¹ý³ÌÈçÏ£¬µ«Ë³ÐòÊÇ»ìÂҵģ®
A¡¢¹Û²â¼Ç¼Á¿Í²Àï·ÅÈë½ðÊô¿éºóË®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

B¡¢¹Û²â¼Ç¼Á¿Í²Ë®ÃæµÄ¿Ì¶ÈÖµ£¨Èçͼ£©£»

C¡¢°Ñ½ðÊô¿é·ÅÈëÌìƽµÄ×óÅÌ£¬ÔÚÌìƽÓÒÅÌ·ÅÈëíÀÂëʹºáÁºÆ½ºâ£»
D¡¢¼Ç¼ÌìƽÓÒÅÌÖÐíÀÂëµÄÖÊÁ¿£¨Èçͼ£©£¬°ÑíÀÂë·Å»ØºÐÄÚ£»

E¡¢µ÷½ÚÍÐÅÌÌìƽʹºáÁºÆ½ºâ£»
F¡¢¼ÆËã³ö½ðÊô¿éµÄÌå»ý£®
Çë»Ø´ðÏÂÁÐÎÊÌ⣺
£¨1£©Çë°´ºÏÀíµÄʵÑé²½Ö轫ÉÏÊöʵÑé¹ý³ÌµÄ×Öĸ·ûºÅÒÀ´Îд³öÀ´______£»
£¨2£©½ðÊô¿éµÄÌå»ýÊÇ______£®
£¨3£©½ðÊô¿éµÄÖÊÁ¿ÊÇ______£®
£¨4£©½ðÊô¿éµÄÃܶÈÊÇ______£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸