·ÖÎö £¨1£©Éè³öBµÄÔ×ÓÐòÊý£¬¸ù¾ÝËÄÖÖÔªËصÄÏà¶ÔλÖõóöËÄÖÖÔªËصÄÔ×ÓÐòÊýÖ®ºÍ£¬È»ºóÅжÏm£»
£¨2£©¸ù¾ÝDÔªËØÔ×ӵĴÎÍâ²ãµç×ÓÊýµÈÓÚÆäËû²ãµç×ÓÊýÖ®ºÍ¿ÉÖªDΪS£¬ÔòBΪO¡¢AΪN¡¢CΪFÔªËØ£¬
¢ÙNÔ×ÓÐγɵļòµ¥Àë×ÓÊÇN3-£¬ÆäºËµçºÉÊýΪ7£¬ºËÍâµç×Ó×ÜÊýΪ10£¬¾Ý´Ëд³ö¸ÃÀë×ӽṹʾÒâͼ£»DΪS£¬Î»ÓÚÖÜÆÚ±íÖеÚÈýÖÜÆÚ¢öA×壻
¢ÚAΪN£¬6¸öÔ×ÓµÄÇ⻯ÎïΪN2H4£¬Æä½á¹¹¼òʽΪH2N-NH2£»¼ÆËã³ö1molN2H4ÍêȫȼÉշųöÈÈÁ¿£¬È»ºóд³ö¸Ã·´Ó¦µÄȼÉÕÈȵÄÈÈ»¯Ñ§·½³Ìʽ£»
¢ÛCµ¥ÖÊΪF2£¬BµÄÇ⻯ÎïΪH2O£¬Ð´³ö·úÆøÓëË®·´Ó¦µÄ»¯Ñ§·½³Ìʽ£»
¢ÜE2+ÓëDµÄ¼òµ¥ÒõÀë×ÓÓÐÏàͬµÄµç×Ó²ã½á¹¹£¬ÔòEΪCaÔªËØ£¬EB2ΪCaO2£¬ÊôÓÚÀë×Ó»¯ºÏÎÓõç×Óʽ±íʾ³öÆäÐγɹý³Ì£»
¢Ý¸ù¾ÝÐÅÏ¢NF3ÓëË®·´Ó¦Îª£ºNF3+2H2O=HNO2+3HF£¬ÑÇÏõËá¡¢·ú»¯ÇâÓëÇâÑõ»¯ÄÆ·´Ó¦Éú³É·ú»¯ÄÆ¡¢ÑÇÏõËáÄƺÍË®£¬¾Ý´Ëд³ö·´Ó¦µÄ»¯Ñ§·½³Ìʽ£®
½â´ð ½â£º£¨1£©¸ù¾ÝA¡¢B¡¢C¡¢DËÄÖÖÔªËØÔÚÖÜÆÚ±íµÄÏà¶ÔλÖÿÉÖª£¬DÖ»ÄÜλÓÚÖÜÆÚ±íµÚÈýÖÜÆÚ£¬ÉèBµÄÔ×ÓÐòÊýΪx£¬ÔòÔ×ÓÐòÊýA£ºx-1¡¢C£ºx+1¡¢D£ºx+8£¬A¡¢B¡¢C¡¢DËÄÖÖÔªËصÄÔ×ÓÐòÊýÖ®ºÍΪ£º£¨x-1£©+x+£¨x+1£©+£¨x+8£©=4x+8£¬Ôòm±ØΪżÊý£¬¹ÊBÕýÈ·£¬
¹Ê´ð°¸Îª£ºB£»
£¨2£©¸ù¾ÝDÔªËØÔ×ӵĴÎÍâ²ãµç×ÓÊýµÈÓÚÆäËû²ãµç×ÓÊýÖ®ºÍ¿ÉÖªDΪS£¬ÔòBΪO¡¢AΪN¡¢CΪFÔªËØ£¬
¢ÙAΪNÔªËØ£¬NÔ×ÓÐγɵļòµ¥Àë×ÓÊÇN3-£¬ÆäºËµçºÉÊýΪ7£¬×îÍâ²ã´ïµ½8µ¥ÖÊÎȶ¨½á¹¹£¬µªÀë×ӽṹʾÒâͼΪ£º£»DΪSÔªËØ£¬Î»ÓÚÖÜÆÚ±íÖÐVIA×壬
¹Ê´ð°¸Îª£º£»VIA£»
¢ÚAΪN£¬6¸öÔ×ÓµÄÇ⻯ÎïΪN2H4£¬Îª¹²¼Û»¯ºÏÎÆä½á¹¹¼òʽΪ£ºH2N-NH2£»
³£Ñ¹298Kʱ0.2mol¸ÃÆø̬Ç⻯ÎïÔÚO2 ÖÐÍêȫȼÉÕ£¬Éú³ÉÆø̬Aµ¥ÖʺÍË®£¬·Å³öÈÈÁ¿106.8kJ£¬1mol¸ÃÆøÌåÇ⻯Îï·Å³öÈÈÁ¿Îª£º106.8kJ¡Á$\frac{1mol}{0.2mol}$=534kJ£¬Ôò¸ÃÆø̬Ç⻯ÎïȼÉÕÈȵÄÈÈ»¯Ñ§·½³ÌʽΪ£ºN2H4£¨g£©+O2£¨g£©=N2£¨g£©+2H2O£¨l£©¡÷H=-534kJ/mol£¬
¹Ê´ð°¸Îª£ºH2N-NH2£» N2H4£¨g£©+O2£¨g£©=N2£¨g£©+2H2O£¨l£©¡÷H=-534kJ/mol£»
¢ÛCµ¥ÖÊΪF2£¬BµÄÇ⻯ÎïΪH2O£¬·úÆøÓëË®·´Ó¦µÄ»¯Ñ§·½³ÌʽΪ£º2H2O+2F2=4HF+O2£¬
¹Ê´ð°¸Îª£º2H2O+2F2=4HF+O2£»
¢ÜE2+ÓëDµÄ¼òµ¥ÒõÀë×ÓÓÐÏàͬµÄµç×Ó²ã½á¹¹£¬ÔòEΪCaÔªËØ£¬EB2ΪCaO2£¬ÊôÓÚÀë×Ó»¯ºÏÎÓõç×Óʽ±íʾ³öÆäÐγɹý³ÌΪ£º+2¡ú£¬
¹Ê´ð°¸Îª£º+2¡ú£»
¢ÝNF3ÓëË®·´Ó¦ÎªNF3+2H2O=HNO2+3HF£¬ÔòºÍNaOHÈÜÒº·¢Éú·´Ó¦Îª£ºNF3+4NaOH=NaNO2+3NaF+2H2O£¬
¹Ê´ð°¸Îª£ºNF3+4NaOH=NaNO2+3NaF+2H2O£®
µãÆÀ ±¾Ì⿼²éÁËλÖᢽṹÓëÐÔÖʹØϵµÄÓ¦Óã¬ÌâÄ¿ÄѶÈÖеȣ¬Éæ¼°ÔªËØÍƶϡ¢µç×Óʽ¡¢»¯Ñ§·½³Ìʽ¡¢ÈÈ»¯Ñ§·½³ÌʽµÄÊéдµÈ֪ʶ£¬×¢ÒâÕÆÎÕÔªËØÖÜÆÚ±í½á¹¹¡¢ÔªËØÖÜÆÚÂÉÄÚÈÝ£¬ÊÔÌâ²àÖØ¿¼²éѧÉúµÄ·ÖÎö¡¢Àí½âÄÜÁ¦¼°Áé»îÓ¦ÓÃÄÜÁ¦£®
Ä꼶 | ¸ßÖÐ¿Î³Ì | Ä꼶 | ³õÖÐ¿Î³Ì |
¸ßÒ» | ¸ßÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ | ³õÒ» | ³õÒ»Ãâ·Ñ¿Î³ÌÍƼö£¡ |
¸ß¶þ | ¸ß¶þÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õ¶þ | ³õ¶þÃâ·Ñ¿Î³ÌÍƼö£¡ |
¸ßÈý | ¸ßÈýÃâ·Ñ¿Î³ÌÍƼö£¡ | ³õÈý | ³õÈýÃâ·Ñ¿Î³ÌÍƼö£¡ |
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | 8 | B£® | 10 | C£® | 14 | D£® | 30 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ¢Ú£¾¢Ý£¾¢Û£¾¢Ü£¾¢Ù | B£® | ¢Ý£¾¢Ú£¾¢Ü£¾¢Ù£¾¢Û | C£® | ¢Ú£¾¢Ý£¾¢Ü£¾¢Û£¾¢Ù | D£® | ¢Ú£¾¢Û£¾¢Ý£¾¢Ù£¾¢Ü |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ͼ±íʾ˫ÑõË®·Ö½âʱ·´Ó¦ÎïŨ¶ÈËæʱ¼äµÄ±ä»¯Çé¿ö£¬aΪ¼ÓÈëÉÙÁ¿FeCl3ʱµÄ±ä»¯Çé¿ö | |
B£® | ͼÖÐÇúÏß±íʾ·´Ó¦2SO2£¨g£©+O2£¨g£©¨T2SO3£¨g£©£»¡÷H£¼0 Õý¡¢Äæ·´Ó¦µÄƽºâ³£ÊýKËæζȵı仯 | |
C£® | ͼ±íʾ10 mL 0.01 mol•L-1 KMnO4 ËáÐÔÈÜÒºÓë¹ýÁ¿µÄ0.1 mol•L-1 H2C2O4ÈÜÒº»ìºÏʱ£¬n£¨Mn2+£© Ëæʱ¼äµÄ±ä»¯ | |
D£® | ͼÖÐa¡¢bÇúÏß·Ö±ð±íʾ·´Ó¦CH2=CH2 £¨g£©+H2£¨g£©¡úCH3CH3£¨g£©£»¡÷H£¾0·´Ó¦¹ý³ÌÖеÄÄÜÁ¿±ä»¯£¬aΪ²»¼Ó´ß»¯¼ÁʱµÄ¹ý³Ì |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£ºÑ¡ÔñÌâ
A£® | ±ê×¼×´¿öÏ£¬22.4LCH4ºÍCH2C12µÄ»ìºÏÎïËùº¬·Ö×ÓÊýΪNA | |
B£® | Óú¬0.2mo1 FeC13µÄ±¥ºÍÈÜÒºÖƵýºÌ壬ÆäÖÐËùº¬ÇâÑõ»¯Ìú½ºÁ£µÄÊýĿΪ0.2 NA | |
C£® | ÓÉNO2ºÍCO2×é³ÉµÄ»ìºÏÆøÌåÖй²ÓÐNA¸ö·Ö×Ó£¬ÆäÖÐÑõÔªËصÄÖÊÁ¿Ò»¶¨Îª32g | |
D£® | 2LpH=1µÄHAËáÈÜÒºÓë×ãÁ¿Ð¿Á£·´Ó¦£¬Éú³ÉH2µÄ·Ö×ÓÊýÒ»¶¨Îª0.1 NA |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
ÎïÖÊ | Al | Al2O3 | Fe | Fe2O3 |
ÈÛµã/¡æ | 660 | 2054 | 1535 | 1462 |
·Ðµã/¡æ | 2467 | 2980 | 2750 |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º½â´ðÌâ
B | D | |
E |
²é¿´´ð°¸ºÍ½âÎö>>
¿ÆÄ¿£º¸ßÖл¯Ñ§ À´Ô´£º ÌâÐÍ£º¶àÑ¡Ìâ
A£® | ²½Ö裨1£©¡¢£¨2£©µÄ·´Ó¦ÀàÐͲ»Í¬ | |
B£® | ²½Ö裨1£©²úÎïÖвÐÁôµÄ±½·Ó¿ÉÓÃFeCl3ÈÜÒº¼ìÑé | |
C£® | ±½ÑõÒÒËáºÍ²¤ÂÜõ¥¾ù¿ÉÓëNaOHÈÜÒº·¢Éú·´Ó¦ | |
D£® | ²½Ö裨2£©²úÎïÖвÐÁôµÄÏ©±û´¼¿ÉÓÃäåË®¼ìÑé |
²é¿´´ð°¸ºÍ½âÎö>>
°Ù¶ÈÖÂÐÅ - Á·Ï°²áÁбí - ÊÔÌâÁбí
ºþ±±Ê¡»¥ÁªÍøÎ¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨Æ½Ì¨ | ÍøÉÏÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | µçÐÅթƾٱ¨×¨Çø | ÉæÀúÊ·ÐéÎÞÖ÷ÒåÓк¦ÐÅÏ¢¾Ù±¨×¨Çø | ÉæÆóÇÖȨ¾Ù±¨×¨Çø
Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com