无机材料科学基础课件：第5章－热力学应用（第一章）.ppt

1、RTG0反应物生成物iPiTiiPiTiGnGn)()(BADCnBnAnDnCaaaaTGR00R0298RT2982Tc0R21Tc0298R22982b298c0R210298R2298 b22982c0R210RTGR00R0298RT2980R H0 = H 298 a + (5-8b) G = H0 aTlnT bT2 cT-1 + yT (5-9a) y=( G H0) / 298+ aln(298)+ + (5-9b) 0298R0R0298R0298R22982b298c210R210298R2298 b22982c029802980298R0298R0298R0298R0R

2、0RG0298029802980298R0298R0298R0298R0298R0298R0298R0298R0R21210R0R0R0RT298T2980R0R0298R0298R0R0298R0298RTHGTT000THGT029800TG00THTHGT02980THGRTR029800TR0TR0298RiR生成物)(iR反应物)(0TR0TR0298RiR生成物)(iR反应物)(0TR0TR02980298R0TR0TR0TR0298R0RG0298R0298R0298R0298R0298R0298R0R0RG0RG0RG0RG0R0R0R0RG0R0298R0298R0298R0

3、TR0TR0TR0R0R0R0298R0R0R0R0R0R0298RiR生成物)(iR反应物)(0TR0R0R0R0TR0298R0TR 0TR0RiR生成物)(iR反应物)(0298R0TRBADCnBnAnDnCaaaa0298R0TRiR生成物)(iR反应物)(0TR0298R01800KNiAlaa3201800K0TR01800K1800105.54219.673029801323K01323KK1323COPbOCOPaP2K1323COCOPP2RTG0132313231031. 816.783COCOPP2COCOPP2 1H 2H 3H298T0298R298T0T02980298R0T02980T029802980T0298R0T02980T02980298R0298R01000010000100001000010000100001000010000100001020301022/10332ln22ln03RTG)exp(20323RTGPSiO