ÌâÄ¿ÄÚÈÝ
ÒÑÖª£ºCH4(g)£«2O2(g)=CO2(g)£«2H2O(l)¡¡¦¤H1£½£890.3 kJ¡¤mol£1£»H2(g)£«O2(g)=H2O(l)¡¡¦¤H2£½£285.8 kJ¡¤mol£1¡£CO2ÆøÌåÓëH2ÆøÌå·´Ó¦Éú³É¼×ÍéÆøÌåÓëҺ̬ˮµÄÈÈ»¯Ñ§·½³ÌʽΪCO2(g)£«4H2(g)=CH4(g)£«2H2O(l)¦¤H3£¬ÆäÖЦ¤H3µÄÊýֵΪ£¨ £©
A£®£252.9 kJ¡¤mol£1 B£®£«252.9 kJ¡¤mol£1
C£®£604.5 kJ¡¤mol£1 D£®£«604.5 kJ¡¤mol£1
A
¡¾½âÎö¡¿¦¤H3£½4¦¤H2£¦¤H1£½£252.9 kJ¡¤mol£1¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿