ÌâÄ¿ÄÚÈÝ

ÓÃH2O2ºÍH2SO4µÄ»ìºÏÈÜÒº¿ÉÈܳö·Ï¾ÉÓ¡Ë¢µç·°åÉϵÄÍ­¡£ÒÑÖª£º
Cu(s)+2H+(aq)=Cu2+(aq)+H2(g)   ¦¤H=+64.39kJ/mol
2H2O2(l)=2H2O(l)+O2(g)   ¦¤H=-196.46kJ/mol
H2(g)+O2(g)=H2O(l)    ¦¤H=-285.84kJ/mol
ÔÚH2SO4ÈÜÒºÖУ¬CuÓëH2O2·´Ó¦Éú³ÉCu2+(aq)ºÍH2O(l)µÄ·´Ó¦ÈȦ¤HµÈÓÚ

A£®-417.91kJ¡¤mol-1 B£®-319.68 kJ¡¤mol-1
C£®+546.69 kJ¡¤mol-1 D£®-448.46 kJ¡¤mol-1

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø