10£®2003Äê10ÔÂ16ÈÕ¡°ÉñÖÛÎåºÅ¡±·É´¬³É¹¦·¢É䣬ʵÏÖÁËÖлªÃñ×åµÄ·ÉÌìÃÎÏ룮ÔËËÍ·É´¬µÄ»ð¼ýȼÁϳýҺ̬˫ÑõË®Í⣬»¹ÓÐÁíÒ»ÖÖҺ̬µªÇ⻯ºÏÎÒÑÖª¸Ã»¯ºÏÎïÖÐÇâÔªËصÄÖÊÁ¿·ÖÊýΪ12.5%£¬Ïà¶Ô·Ö×ÓÖÊÁ¿Îª32£¬½á¹¹·ÖÎö·¢Ïָ÷Ö×ӽṹÖÐÖ»Óе¥¼ü£®
£¨1£©¸ÃµªÇ⻯ºÏÎïµÄ·Ö×ÓʽΪN2H4£¬½á¹¹Ê½Îª£®
£¨2£©Èô¸ÃÎïÖÊÓëҺ̬˫ÑõˮǡºÃÍêÈ«·´Ó¦£¬²úÉúÁ½ÖÖÎÞ¶¾ÓÖ²»ÎÛȾ»·¾³µÄÆø̬ÎïÖÊ£¬Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽN2H4+2H2O2=N2+4H2O£®
£¨3£©NH3·Ö×ÓÖеÄNÔ­×ÓÓÐÒ»¶Ô¹Â¶Ôµç×Ó£¬ÄÜ·¢Éú·´Ó¦£ºNH3+HCl¨TNH4Cl£®ÊÔд³öÉÏÊöµªÇ⻯ºÏÎïͨÈë×ãÁ¿ÑÎËáʱ£¬·¢Éú·´Ó¦µÄ»¯Ñ§·½³ÌʽN2H4+2HCl=N2H6Cl2£®

·ÖÎö £¨1£©¸ÃµªÇ⻯ºÏÎïÖÐN£¨H£©=$\frac{32¡Á12.5%}{1}$=4£¬¹Ê·Ö×ÓÖÐN£¨N£©=$\frac{32-4}{14}$=2£¬¸ÃµªÇ⻯ºÏÎïΪN2H4£¬·Ö×ÓÖÐÇâÔ­×ÓÖ®¼äÐγÉ1¶Ô¹²Óõç×Ó¶Ô£¬ÇâÔ­×ÓÓ뵪ԭ×ÓÖ®¼äÐγÉ1¶Ô¹²Óõç×Ó¶Ô£¬¾Ý´ËÊéдÆäµç×ÓʽºÍ½á¹¹Ê½£»
£¨2£©N2H4ÓëҺ̬˫ÑõˮǡºÃÍêÈ«·´Ó¦£¬²úÉúÁ½ÖÖÎÞ¶¾ÓÖ²»ÎÛȾ»·¾³µÄÎïÖÊ£¬ÔòÉú³ÉµªÆøÓëË®£»
£¨3£©N2H4·Ö×ÓÖÐÿ¸öNÔ­×Ó¶¼º¬ÓÐ1¶Ô¹Â¶Ôµç×Ó£¬¹Ê1molN2H4Óë2molHCl·´Ó¦Éú³ÉN2H6Cl2£®

½â´ð ½â£º£¨1£©¸ÃµªÇ⻯ºÏÎïÖÐN£¨H£©=$\frac{32¡Á12.5%}{1}$=4£¬¹Ê·Ö×ÓÖÐN£¨N£©=$\frac{32-4}{14}$=2£¬¸ÃµªÇ⻯ºÏÎïΪN2H4£¬·Ö×ÓÖÐÇâÔ­×ÓÖ®¼äÐγÉ1¶Ô¹²Óõç×Ó¶Ô£¬ÇâÔ­×ÓÓ뵪ԭ×ÓÖ®¼äÐγÉ1¶Ô¹²Óõç×Ó¶Ô£¬µç×ÓʽΪ£¬½á¹¹Ê½Îª£º£¬
¹Ê´ð°¸Îª£º£»£»
£¨2£©N2H4ÓëҺ̬˫ÑõˮǡºÃÍêÈ«·´Ó¦£¬²úÉúÁ½ÖÖÎÞ¶¾ÓÖ²»ÎÛȾ»·¾³µÄÎïÖÊ£¬ÔòÉú³ÉµªÆøÓëË®£¬¸Ã·´Ó¦»¯Ñ§·½³ÌʽΪ£ºN2H4+2H2O2=N2+4H2O£¬
¹Ê´ð°¸Îª£ºN2H4+2H2O2=N2+4H2O£»
£¨3£©N2H4·Ö×ÓÖÐÿ¸öNÔ­×Ó¶¼º¬ÓÐ1¶Ô¹Â¶Ôµç×Ó£¬¹Ê1molN2H4Óë2molHCl·´Ó¦Éú³ÉN2H6Cl2£¬·´Ó¦·½³ÌʽΪ£ºN2H4+2HCl=N2H6Cl2£¬
¹Ê´ð°¸Îª£ºN2H4+2HCl=N2H6Cl2£®

µãÆÀ ±¾Ì⿼²éÎÞ»úÎïµÄÓйØÍƶϡ¢³£Óû¯Ñ§ÓÃÓïµÈ£¬ÄѶÈÖеȣ¬Ã÷È·ÎïÖʵĽṹÌصãÊǽâÌâ¹Ø¼ü£¬×¢Òâ¶ÔÌâ¸ÉÐÅÏ¢°ÑÎÕ£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

20£®°ÑÊ¢ÓÐ48mLNOºÍNO2µÄ»ìºÏÆøÌåµ¹Á¢ÓÚË®ÖУ¨±£³ÖͬÎÂͬѹ£©£¬ÒºÃæÎȶ¨ºó£¬ÈÝÆ÷ÄÚÆøÌåÌå»ý±äΪ24mL£¬Ôò£º
£¨1£©Ô­»ìºÏÆøÌåÖУ¬NOÊÇ12mL£¬NO2ÊÇ36mL£®
£¨2£©ÈôÔÚÊ£ÓàµÄ24mLÆøÌåÖÐͨÈë6mLO2£¬ÒºÃæÎȶ¨ºó£¬ÈÝÆ÷ÄÚÊ£ÓàÆøÌåÊÇNO£¬Ìå»ýΪ16mL£®
£¨3£©ÈôÔÚÊ£ÓàµÄ24mLÆøÌåÖÐͨÈë24mLO2£¬ÒºÃæÎȶ¨ºó£¬ÈÝÆ÷ÄÚÊ£ÓàÆøÌåÊÇO2£¬Ìå»ýΪ6mL£®
£¨4£©ÈôÔÚÊ£ÓàµÄ24mLÆøÌåÖÐͨÈë15»ò22mLO2£¬³ä·Ö·´Ó¦ºó£¬ÈÝÆ÷ÄÚÊ£Óà4mLÆøÌ壮

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

1£®ÒÔäåÒÒÍéΪԭÁÏÖƱ¸l£¬2-¶þäåÒÒÍ飬ÏÂÁз½°¸ÖÐ×îºÏÀíµÄÊÇ£¨¡¡¡¡£©
A£®CH3CH2Br$¡ú_{Ë®}^{NaOH}$  CH3CH2OH$¡ú_{170¡æ}^{ŨÁòËá}$   CH2=CH2$\stackrel{Br_{2}}{¡ú}$   CH2BrCH2Br
B£®CH3CH2Br $\stackrel{HBr}{¡ú}$  CH2BrCH2Br
C£®CH3CH2Br   $¡ú_{Ë®}^{NaOH}$  CH2=CH2      CH2BrCH3$\stackrel{HBr_{2}}{¡ú}$CH2BrCH2Br
D£®CH3CH2Br  $¡ú_{´¼}^{NaOH}$   CH2=CH2$\stackrel{Br_{2}}{¡ú}$ CH2BrCH2Br

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

18£®ÏÂÁÐÓйØÂÈ»¯Äƾ§Ì壨ͼΪ¾§°û£©µÄÐðÊöÖУ¬ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÔÚNaCl¾§ÌåÖУ¬Ã¿¸öNa+ÖÜΧÓëÆä¾àÀë×î½üµÄNa+ÓÐ6¸ö
B£®ÂÈÀë×Ó²ÉÈ¡A2Ãܶѻý£¬ÄÆÀë×ÓÌîÈë°ËÃæÌå¿Õ϶ÖÐ
C£®Ã¿¸ö¾§°ûº¬2¸öNa+ºÍ2¸öCl-
D£®ÂÈ»¯ÄƵĻ¯Ñ§Ê½ÎªNaCl

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

5£®ÔÚÅðËá[B£¨OH£©3]·Ö×ÓÖУ¬BÔ­×ÓÓë3¸öôÇ»ùÏàÁ¬£¬Æ侧Ìå¾ßÓÐÓëʯīÏàËƵIJã×´½á¹¹£®ÒÑÖªÅðËáµÄÈÛµã½Ï¸ß£¬³£ÎÂϳʹÌ̬£¬Î¢ÈÜÓÚË®£®Çë»Ø´ð£º
£¨1£©ÅðËá·Ö×ÓÖÐBÔ­×ÓÔÓ»¯¹ìµÀµÄÀàÐÍÊÇsp2£¬Í¬²ã·Ö×Ó¼äµÄÖ÷Òª×÷ÓÃÁ¦ÊÇÇâ¼ü£®
£¨2£©ÅðËáÓëÇâÑõ»¯ÄÆ·´Ó¦·½³ÌʽΪ£ºH3BO3+NaOH=NaB£¨OH£©4£¬²úÎïNa[B£¨OH£©4]ÖÐËùº¬»¯Ñ§¼üÀàÐÍΪÀë×Ó¼ü¡¢Åäλ¼üºÍ¼«ÐÔ¼ü£¬ÆäÖÐ[B£¨OH£©4]-Àë×ӵĿռ乹ÐÍÊÇÕýËÄÃæÌ壮

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

15£®ºÓÄϵÄÖ£ÖÝ¡¢ÂåÑô¼°ÄÏÑôÊÐÂÊÏÈʹ²¿·ÖÆû³µ²ÉÓ÷â±ÕÔËÐз½Ê½£¬ÊÔÓÃеÄÆû³µÈ¼ÁÏ--³µÓÃÒÒ´¼ÆûÓÍ£®ÒÒ´¼£¬Ë×Ãû¾Æ¾«£¬ËüÊÇÒÔÓñÃס¢Ð¡Âó¡¢ÊíÀàµÈΪԭÁϾ­·¢½Í¡¢ÕôÁó¶øÖƳɵģ®ÒÒ´¼½øÒ»²½ÍÑË®£¬ÔÙ¼ÓÉÏÊÊÁ¿ÆûÓͺóÐγɱäÐÔȼÁÏÒÒ´¼£®¶ø³µÓÃÒÒ´¼ÆûÓ;ÍÊǰѱäÐÔȼÁÏÒÒ´¼ºÍÆûÓÍ°´Ò»¶¨±ÈÀý»ìÅäÐγɵijµÓÃȼÁÏ£®½áºÏÓйØ֪ʶ£¬Íê³ÉÒÔÏÂÎÊÌ⣺
£¨1£©ÒÒ´¼µÄ½á¹¹¼òʽΪC2H5OH£®ÆûÓÍÊÇÓÉʯÓÍ·ÖÁóËùµÃµÄµÍ·ÐµãÍéÌþ£¬Æä·Ö×ÓÖеÄ̼ԭ×ÓÊýÒ»°ãÔÚC5-C11·¶Î§ÄÚ£¬ÈçÎìÍ飬Æä·Ö×ÓʽΪC5H12£¬Æäͬ·ÖÒì¹¹Ìå½á¹¹¼òʽ·Ö±ðΪCH3CH2CH2CH2CH3¡¢¡¢£®
£¨2£©ÒÒ´¼¿ÉÓɺ¬µí·Û¡²£¨C6H10O5£©n¡³µÄÅ©²úÆ·£¨ÈçÓñÃס¢Ð¡Âó¡¢ÊíÀàµÈ£©¾­·¢½Í¡¢ÕôÁó¶øµÃ£¬Õâ¾ÍÊÇÄð¾Æ£®Äð¾ÆÖ÷ÒªÓÐÁ½²½£º¢Ùµí·Û+Ë®$\stackrel{´ß»¯¼Á}{¡ú}$ÆÏÌÑÌÇ£¨C6H12O6£© ¢ÚÆÏÌÑÌÇ$\stackrel{´ß»¯¼Á}{¡ú}$ÒÒ´¼£®
Çëд³öµí·ÛÉú³ÉÆÏÌÑÌǵĻ¯Ñ§·½³Ìʽ£º£¨C6H10O5£©n£¨µí·Û£©+nH2O$¡ú_{¡÷}^{Ï¡ÁòËá}$nC6H12O6£¨ÆÏÌÑÌÇ£©£®
£¨3£©ÒÒ´¼³ä·ÖȼÉյIJúÎïΪCO2ºÍH2O£®
£¨4£©³µÓÃÒÒ´¼ÆûÓͳÆΪ»·±£È¼ÁÏ£¬ÆäÔ­ÒòÊÇÄÜÓÐЧ½µµÍÆû³µÎ²Æø´øÀ´µÄÑÏÖØ´óÆøÎÛȾ£¬¸ÄÉÆ»·¾³£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

2£®ÏÂÁл¯Ñ§ÓÃÓï±íʾÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£®ÁòÔ­×ӵĽṹʾÒâͼ£º
B£®HClµÄµç×Óʽ£º
C£®ÒÒËáµÄ½á¹¹Ê½£ºC2H4O2
D£®ÁòËáÄƵĵçÀë·½³Ìʽ£ºNa2SO4=2Na++SO42-

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

19£®ÂÁÊǵؿÇÖк¬Á¿×î¸ßµÄ½ðÊôÔªËØ£¬Æäµ¥Öʼ°»¯ºÏÎïÔÚÉú²úÉú»îÖÐÓй㷺µÄÓ¦Óã®
£¨1£©ÆÕͨˮÄàµÄÖ÷Òª³É·ÖÖ®Ò»ÊÇÂÁËáÈý¸Æ£¨3CaO•Al2O3£©£¬3CaO•Al2O3ÖÐAlµÄ»¯ºÏ¼ÛΪ+3£»
£¨2£©ÂÈ»¯ÂÁ¹ã·ºÓÃÓÚÓлúºÏ³ÉºÍʯÓ͹¤ÒµµÄ´ß»¯¼Á£®½«ÂÁÍÁ¿ó·Û£¨Al2O3£©ÓëÌ¿·Û»ìºÏºó¼ÓÈȲ¢Í¨ÈëÂÈÆø£¬¿ÉµÃµ½ÂÈ»¯ÂÁ£¬Í¬Ê±Éú³ÉCO£¬Ð´³ö¸Ã·´Ó¦µÄ»¯Ñ§·½³ÌʽAl2O3+3C+3Cl2$\frac{\underline{\;¡÷\;}}{\;}$2AlCl3+3CO£»
£¨3£©ÏÖ½«Ò»¶¨Á¿µÄÂÁ·ÛºÍþ·ÛµÄ»ìºÏÎïÓë100mLÏ¡ÏõËá³ä·Ö·´Ó¦£¬·´Ó¦¹ý³ÌÖÐÎÞÈκÎÆøÌå·Å³ö£®ÔÚ·´Ó¦½áÊøºóµÄÈÜÒºÖУ¬Öð½¥¼ÓÈë4mol•L-1µÄNaOHÈÜÒº£¬¼ÓÈëNaOHÈÜÒºµÄÌå»ý£¨mL£©Óë²úÉú³ÁµíµÄÖÊÁ¿µÄ¹ØϵÈçͼËùʾ£®

¢ÙD¡úE¹ý³ÌÖз´Ó¦µÄÀë×Ó·½³ÌʽΪNH4++OH-=NH3¡ü+H2O£»
¢ÚAµã¶ÔÓ¦×Ý×ø±êµÄÊýÖµÊÇ0.696g£¬Ô­Ï¡ÏõËáµÄŨ¶ÈÊÇ0.66mol•L-1£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ

20£®Ä³ÓлúÎï11.0¿Ë£¬ÍêȫȼÉÕºóµÄ²úÎïÒÀ´Îͨ¹ýŨÁòËáÓëNaOHÈÜÒº£¬·Ö±ðÔöÖØ5.4¿ËÓë26.4¿Ë£¬¸ÃÓлúÎï¿ÉÄÜÊÇ£¨¡¡¡¡£©
A£®CH4B£®C2H6C£®C6H6D£®C6H6O2

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸