ÌâÄ¿ÄÚÈÝ
ͨ¹ýÒÔÏ·´Ó¦¾ù¿É»ñÈ¡H2¡£ÏÂÁÐÓйØ˵·¨ÕýÈ·µÄÊÇ£¨ £©
¢ÙÌ«Ñô¹â´ß»¯·Ö½âË®ÖÆÇ⣺2H2O(l)£½2H2(g)+O2(g) ¡÷H1=+571.6kJ¡¤mol¨C1
¢Ú½¹Ì¿ÓëË®·´Ó¦ÖÆÇ⣺C(s)+H2O(g)£½CO(g)+H2(g) ¡÷H2=+131.3kJ¡¤mol¨C1
¢Û¼×ÍéÓëË®·´Ó¦ÖÆÇ⣺CH4(g)+H2O(g)£½CO(g)+3H2(g) ¡÷H3=+206.1kJ¡¤mol¨C1
A£®·´Ó¦¢ÙÖеçÄÜת»¯Îª»¯Ñ§ÄÜ
B£®·´Ó¦¢ÚΪ·ÅÈÈ·´Ó¦
C£®·´Ó¦¢ÛʹÓô߻¯¼Á£¬¡÷H3¼õС
D£®·´Ó¦CH4(g)£½C(s)+2H2(g)µÄ¡÷H=+74.8kJ¡¤mol¨C1
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿