過氧化氫分解反應速率常數(shù)的測定

五、數(shù)據(jù)記錄與處理1、H2O2催化分解數(shù)據(jù)表當催化劑KI的濃度為0.1mol/L時所得的數(shù)據(jù)如下：液面讀數(shù)（ml)氧氣體積Vt(ml)反應時間t(s)1/tV∞-Vtlg(V∞-Vt)2.5100---2.700.19600.01666749.0741.6908513.801.291200.00833347.9741.6810065.513.001800.00555646.2641.6652437.234.722400.00416744.5441.6487898.926.413000.00333342.8541.63199110.548.033600.00277841.2341.61525512.089.574200.00238139.6941.59872513.5511.044800.00208338.2241.58233615.8413.335400.00185235.9341.55550616.6414.136000.00166735.1341.54572818.1115.606600.00151533.6641.52716619.5417.037200.00138932.2341.50831420.9818.477800.00128230.7941.48846622.3819.878400.00119029.3941.46825923.8821.379000.00111127.8941.44551125.3522.849600.00104226.4241.42199926.7224.2110200.00098025.0541.39887727.8025.2910800.00092623.9741.37974128.9326.4211400.00087722.8441.35877230.1227.6112000.00083321.6541.33553831.4128.9012600.00079420.3641.30886332.2829.7713200.00075819.4941.28990133.2730.7613800.00072518.5041.26726634.2731.7614400.00069417.5041.24313735.3032.7915000.00066716.4741.21679936.2133.7015600.00064115.5641.19212137.2134.7016200.00061714.5641.16328138.1135.6016800.00059513.6641.13557839.0836.5717400.00057512.6941.10359840.1237.6118000.00055611.6541.06647541.1238.6118600.00053810.6541.02751341.7839.2719200.0005219.9940.99973942.5140.0019800.0005059.2640.96679943.2140.7020400.0004908.5640.9326772、以Vt對1/t作圖，將得到一條直線，將直線外推至1/t=0，由其截距得到。由于剛開始時，量氣管中的氣體暫時未充滿，故所得的數(shù)據(jù)存在不準確性，舍掉前十組數(shù)據(jù)得到圖如下：當1/t=0時，得到=49.264。3、以lg(V∞-Vt)對t作圖，求直線斜率。據(jù)以上數(shù)據(jù)得到圖形如下?lián)娇傻梅磻乃俾蔏=9.64*