1£®ÏÂÁÐÈÈ»¯Ñ§·½³ÌʽÖÐΔH´ú±íȼÉÕÈȵÄÊÇ(¡¡¡¡)

A£®CH₄(g)£«O₂(g)===2H₂O(l)£«CO(g)¡¡ΔH₁

B£®S(s)£«O₂(g)===SO₃(g)¡¡ΔH₂

C£®C₆H₁₂O₆(s)£«6O₂(g)===6CO₂(g)£«6H₂O(l)¡¡ΔH₃

D£®2CO(g)£«O₂(g)===2CO₂(g)¡¡ΔH₄

2£®¼×ÍéÓëÂÈÆøÔÚ¹âÕÕÌõ¼þÏÂÈ¡´ú·´Ó¦µÄ²¿·Ö·´Ó¦Àú³ÌºÍÄÜÁ¿±ä»¯ÈçÏ£º

Á´Òý·¢£ºCl₂(g)→2Cl·(g)¡¡ΔH₁£½£«242.7kJ/mol

Á´Ôö³¤

¢Ù£ºCH₄(g)£«Cl·(g)→CH₃·(g)£«HCl(g)¡¡ΔH₂£½£«7.5kJ/mol

¢Ú£ºCH₃·(g)£«Cl₂(g)→CH₃Cl(g)£«Cl·(g)¡¡ΔH₃£½£­129kJ/mol