習(xí)題

1.一體系由A態(tài)到B態(tài),沿途徑Ⅰ放熱120J,環(huán)境對(duì)體系做功50J。試計(jì)算:(1)體系由A態(tài)沿途經(jīng)Ⅱ到B態(tài),吸熱40J,其W值為多少?(2)體系由A態(tài)沿途經(jīng)Ⅲ到B態(tài)對(duì)環(huán)境做功80J,其Q值為多少?2.在27℃時(shí),反應(yīng)CaCO3(S)CaO(S)+CO2(g)的摩爾恒壓熱效應(yīng)Qp＝178.0kJ/mol ......（本文共 1856 字 ）     [閱讀本文] >>