ÌâÄ¿ÄÚÈÝ
»¯Ñ§·´Ó¦N2+3H2=2NH3µÄÄÜÁ¿±ä»¯ÈçÌâ13ͼËùʾ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ£¨ £©
A£®N2(g)+3H2(g)=2NH3(1); ¡÷H=2(a-b-c)kJ¡¤mol-1 |
B£®N2(g)+3H2(g)=2NH3(g); ¡÷H=2(b-a)kJ¡¤mol-1 |
C£®N2(g)+H2(g)=NH3(1); ¡÷H=(b+c-a)kJ¡¤mol-1 |
D£®N2(g)+H2(g)=NH3(g); ¡÷H=(a+b)kJ¡¤mol-1 |
A¡£
½âÎö
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
»¯Ñ§·´Ó¦N2+3H2¡ú2NH3µÄÄÜÁ¿±ä»¯ÈçͼËùʾ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ£¨¡¡¡¡£©
A¡¢N2£¨g£©+H2£¨g£©¡úNH3£¨1£©-46 kJ | B¡¢N2£¨g£©+H2£¨g£©¡úNH3£¨g£©-454 kJ | C¡¢N2£¨g£©+3 H2£¨g£©¡ú2 NH3£¨g£©+92 kJ | D¡¢N2£¨g£©+3 H2£¨g£©¡ú2 NH3£¨1£©+431.3 kJ |
»¯Ñ§·´Ó¦N2+3H2?2NH3µÄÄÜÁ¿±ä»¯ÈçͼËùʾ£¬EÊÇÕýÖµ£¬¸Ã·´Ó¦µÄÈÈ»¯Ñ§·½³ÌʽÊÇ£¨¡¡¡¡£©
A¡¢N2£¨g£©+3H2£¨g£©?2NH3£¨l£©£»¡÷H=2£¨a-b-c£©kJ?mol-1 | ||||
B¡¢N2£¨g£©+3H2£¨g£©?2NH3£¨g£©£»¡÷H=2£¨b-a£©kJ?mol-1 | ||||
C¡¢
| ||||
D¡¢
|