ÌâÄ¿ÄÚÈÝ
1£®£¨1£©ë£¨N2H4£©ÓÖ³ÆÁª°±£¬ÊÇÒ»ÖÖ¿ÉȼÐÔµÄÒºÌ壬¿ÉÓÃ×÷»ð¼ýȼÁÏ£®ÒÑÖªN2H4ÔÚÑõÆøÖÐÍêȫȼÉÕÓеªÆøÉú³É£®N2H4ÍêȫȼÉÕ·´Ó¦µÄ»¯Ñ§·½³ÌʽΪN2H4+O2=N2+2H2O£®£¨2£©Í¼1ÊÇÒ»¸öµç»¯Ñ§¹ý³ÌʾÒâͼ£®
¢ÙпƬÉÏ·¢ÉúµÄµç¼«·´Ó¦ÊÇCu2++2e-=Cu£®
¢Ú¼ÙÉèʹÓÃëÂ-¿ÕÆøȼÁϵç³Ø×÷Ϊ±¾¹ý³ÌÖеĵçÔ´£¬ÍƬµÄÖÊÁ¿±ä»¯128g£¬ÔòëÂÒ»¿ÕÆøȼÁϵç³ØÀíÂÛÉÏÏûºÄ±ê×¼×´¿öϵĿÕÆø112L£¨¼ÙÉè¿ÕÆøÖÐÑõÆøÌå»ýº¬Á¿Îª20%£©£®
£¨3£©´«Í³ÖƱ¸ëµķ½·¨£¬ÊÇÒÔNaClOÑõ»¯NH3£¬ÖƵÃëµÄÏ¡ÈÜÒº£®¸Ã·´Ó¦µÄÀë×Ó·½³ÌʽÊÇClO-+2NH3=N2H4+Cl-+H2O£®
£¨4£©1998ÄêÏ£À°ÑÇÀï˹¶àµÂ´óѧµÄMarnellosºÍStoukides²ÉÓøßÖÊ×Óµ¼µçÐÔµÄSCYÌÕ´É£¨ÄÜ´«µÝH+£©£¬ÊµÏÖÁ˸ßγ£Ñ¹Ï¸ßת»¯Âʵĵç½â·¨ºÏ³É°±£®ÆäʵÑé×°ÖÃÈçͼ2£®ÔòͨÈëN2µÄÒ»¼«Ó¦ÓëÍâ½ÓÖ±Á÷µçµÄ¸º¼«ÏàÁ¬£®
·ÖÎö £¨1£©¸ù¾ÝN2H4ÔÚÑõÆøÖÐÍêȫȼÉÕÉú³ÉµªÆøºÍH2O£¬Ð´³öÆäÏàÓ¦µÄ»¯Ñ§·½³Ìʽ£»
£¨2£©¢ÙпΪÒõ¼«£¬ÍÀë×ӵõç×ÓÉú³ÉÍ£»
¢ÚÍƬµÄÖÊÁ¿±ä»¯128g£¬n£¨Cu£©=2mol£¬Òõ¼«·½³ÌʽΪCu2++2e-=Cu£¬ëÂÒ»¿ÕÆøȼÁϵç³ØÔÚ¼îÐÔ»·¾³ÏµÄÕý¼«·´Ó¦Ê½Îª£º2H2O+O2+4e-=4OH-£¬½áºÏ2Cu¡«O2¼ÆË㣻
£¨3£©NaClOÑõ»¯NH3¿ÉÒÔÖƵÃ룬»¹Éú³ÉÂÈ»¯ÄÆ£»
£¨4£©ºÏ³É°±·´Ó¦ÖеªÆø±»»¹Ô£¬ÔòӦΪµç½â³ØµÄÒõ¼«£®
½â´ð ½â£º£¨1£©ÒòΪN2H4ÔÚÑõÆøÖÐÍêȫȼÉÕÉú³ÉµªÆøºÍH2O£¬ËùÒÔÆ仯ѧ·´Ó¦·½³ÌʽΪ£ºN2H4+O2=N2+2H2O£¬
¹Ê´ð°¸Îª£ºN2H4+O2=N2+2H2O£»
£¨2£©¢ÙпΪÒõ¼«£¬ÍÀë×ӵõç×ÓÉú³ÉÍ£¬µç¼«·½³ÌʽΪCu2++2e-=Cu£¬¹Ê´ð°¸Îª£ºCu2++2e-=Cu£»
¢ÚÍƬµÄÖÊÁ¿±ä»¯128g£¬n£¨Cu£©=2mol£¬Òõ¼«·½³ÌʽΪCu2++2e-=Cu£¬ÔòתÒÆ4molµç×Ó£¬ëÂÒ»¿ÕÆøȼÁϵç³ØÔÚ¼îÐÔ»·¾³ÏµÄÕý¼«·´Ó¦Ê½Îª£º2H2O+O2+4e-=4OH-£¬ÔòÏûºÄ1molÑõÆø£¬Ìå»ýΪ22.4L£¬¿ÕÆøÖÐÑõÆøÌå»ýº¬Á¿Îª20%£¬ÔòÏûºÄ¿ÕÆøµÄÌå»ýΪ$\frac{22.4L}{20%}$=112L£¬
¹Ê´ð°¸Îª£º112£»
£¨3£©NaClOÑõ»¯NH3¿ÉÒÔÖƵÃëµÄÀë×Ó·½³ÌʽΪ£ºClO-+2NH3=N2H4+Cl-+H2O£¬
¹Ê´ð°¸Îª£ºClO-+2NH3=N2H4+Cl-+H2O£»
£¨4£©ºÏ³É°±·´Ó¦ÖеªÆø±»»¹Ô£¬ÔòӦΪµç½â³ØµÄÒõ¼«£¬ÓëµçÔ´µÄ¸º¼«ÏàÁ¬£¬¹Ê´ð°¸Îª£º¸º£®
µãÆÀ ±¾Ìâ×ۺϿ¼²éÔµç³Ø¡¢µç½â³Ø֪ʶ£¬Îª¸ßƵ¿¼µã£¬²àÖØÓÚѧÉúµÄ·ÖÎö¡¢¼ÆËãÄÜÁ¦µÄ¿¼²é£¬×¢Òâ°ÑÎÕ·´Ó¦µÄÔÀí£¬ÄѶȲ»´ó£®
£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | ÑòëÓë¸Ã¾Ûõ¥ÏËάµÄ»¯Ñ§³É·ÖÏàͬ | |
B£® | ¸Ã¾Ûõ¥ÏËάºÍÑòëÔÚÒ»¶¨Ìõ¼þϾù²»ÄÜË®½â | |
C£® | ºÏ³É¸Ã¾Ûõ¥ÏËάµÄµ¥ÌåΪ¶Ô±½¶þ¼×ËáºÍÒÒ¶þ´¼ | |
D£® | Óɵ¥ÌåºÏ³É¸Ã¾Ûõ¥ÏËάµÄ·´Ó¦Êô¼Ó¾Û·´Ó¦ |
A£® | °ÑaL0.1mol/L µÄCH3COOHÈÜÒºÓëbL0.1mol/LµÄ KOHÈÜÒº»ìºÏ£¬ËùµÃÈÜÒºÖÐÒ»¶¨´æÔÚ£ºc£¨K+£©+c£¨H+£©=c£¨CH3COO-£©+c£¨OH-£© | |
B£® | °Ñ0.1mol/L µÄNaHCO3ÈÜÒºÓë0.3mol/L µÄBa£¨OH£©2ÈÜÒºµÈÌå»ý»ìºÏ£¬ËùµÃÈÜÒºÖÐÒ»¶¨´æÔÚ£ºc£¨OH-£©£¾c£¨Ba+£©£¾c£¨Na+£©£¾c£¨H+£© | |
C£® | Ïò1mol/L µÄCH3COOHÈÜÒºÖмÓÈëÉÙÁ¿CH3COONa¹ÌÌ壬ÓÉÓÚCH3COONaË®½âÏÔ¼îÐÔ£¬ËùÒÔÈÜÒºµÄpHÉý¸ß | |
D£® | ³£ÎÂÏ£¬ÔÚpH=3µÄCH3COOHÈÜÒººÍpH=11µÄNaOHÈÜÒºÖУ¬Ë®µÄµçÀë³Ì¶ÈÏàͬ |
A£® | Éý¸ßζÈÄܼӿ췴ӦËÙÂÊ | |
B£® | Ôö´óSO2µÄŨ¶ÈÄܼӿ췴ӦËÙÂÊ | |
C£® | ¼ÓÈëµÀÁ¿µÄO2¿ÉʹSO2µÄת»¯ÂÊ´ïµ½100% | |
D£® | ʹÓÃÇ¡µ±µÄ´ß»¯¼ÁÄܼӿ췴ӦËÙÂÊ |
A£® | ${\;}_{92}^{235}$UÔ×ÓºËÖк¬ÓÐ92¸öÖÐ×Ó | |
B£® | ${\;}_{92}^{235}$UÔ×ÓºËÍâÓÐ143¸öµç×Ó | |
C£® | ${\;}_{92}^{235}$UÓë${\;}_{92}^{238}$U»¥ÎªÍ¬Î»ËØ | |
D£® | ${\;}_{92}^{235}$UÔ×ÓÓë${\;}_{92}^{238}$U»¥ÎªÍ¬ËØÒìÐÎÌå |