甲酸氧化動力學

1、組12ml10ml8ml6ml4ml蒸餾水峰高0.2960.2720.2650.2320.1980.008記錄組1峰高【Br2】ln【Br2】1【Br2】10.1670.00198-6.22504.6920.1550.00193-6.25517.3930.1390.00186-6.29537.1340.1270.0018-6.32554.6750.1090.0017-6.38587.1360.0910.00159-6.45630.7170.0780.00148-6.51673.480.0650.00137-6.6732.0190.0550.00126-6.68795.44100.0420.00

2、108-6.83924.8110.0330.00092-6.971082.18120.0210.00063-7.371589130.010.00015-8.846872140151617181412108642000.00050.0010.00150.0020.0025y = -0.0001x + 0.0023R2 = 0.9125A Ax xi is s T Ti it tl le eA Ax xi is s T Ti it tl le eSeries1Linear(Series1)1412108642000.00050.0010.00150.0020.0025y = -0.0001x +

3、0.0023R2 = 0.9125A Ax xi is s T Ti it tl le eA Ax xi is s T Ti it tl le eSeries1Linear(Series1)410.077-2.30412.381 2.51616386.078-2.98.978 2.194777123.002-3.1046.106 1.809272160.446-3.2083.654 1.29582220-1.298-3.3122.014 0.700123252015105000.511.522.53y = -0.1133x + 3.0625R2 = 0.9842A Ax xi is s T T

4、i it tl le eA Ax xi is s T Ti it tl le eSeries1Linear(Series1)252015105000.511.522.53y = -0.1133x + 3.0625R2 = 0.9842A Ax xi is s T Ti it tl le eA Ax xi is s T Ti it tl le eSeries1Linear(Series1)折射率混合液編號混合液近似組成01.3602環(huán)己烷百分比X0.21.3745110.41.385420.970.61.403530.920.81.410240.811.422550.660.570.380.15

5、90.3100環(huán)己烷百分比 折射率01.35740.21.37220.41.38740.61.40160.81.410211.4206沸點氣相冷凝液分析液相分析折射率Yb環(huán)己烷折射率Xb環(huán)己烷80.321178.31.40110.65041.42030.952876.61.39980.62991.41620.888269.81.39880.61261.40610.7291691.39640.59641.39020.478770.21.39580.56691.38320.368573.61.39560.56381.37970.313478.11.39280.51971.36840.135480.

6、51.37230.19691.36130.023682.1000.0631.35980.321178.30.95240.966776.60.87940.930269.80.76510.8143690.71590.766770.20.69840.749273.60.58730.409578.10.39680.319180.50.27940.246182.100乙乙醇醇-環(huán)環(huán)己己烷烷標標準準溶溶液液的的折折射射率率與與組組成成1.210.80.60.40.201.321.341.361.381.41.421.44y = 0.063x + 1.359環(huán)環(huán)己己烷烷Yb 組組成成折折射射率率混合液近似組

7、成環(huán)己烷百分比X10.970.920.80.60.50.30.150.30250.2mol/L甲酸 250.1mol/L甲酸 300.1mol/L甲酸 350.1mol/L甲酸 400.1mol/L甲酸時間s電勢mv時間s電勢mv時間s電勢mv時間s電勢mv時間s電勢mv3023.793020.63016.873016.573022.356021.576019.676015.086012.726017.779018.99018.249013.24907.529012.6212016.8112017.0112010.981202.621207.2815013.7715015.391508.871

8、50-3.461501.318010.9418013.561806.5180-9.77180-4.992108.0221011.92104.03210-17.58210-10.492405.2824010.342401.6240-26.78240-18.182702.522708.642700.72270-41.72270-26.16300-0.353007.24300-3.28300-82.27300-35.46表二表一表三表四表五表一、表二直線關系明顯，反應對Br2是一級，因此從直線斜率求k表二中斜率為-0.09 代入公式前統(tǒng)一單位后為-0.0910-3所以k2=7010，同理可由表一中斜

9、率得k1=3972，根據(jù)公式可得甲酸的反應級數(shù)m=0.81 k3 = 5592, k4 = 22910, k5=15573k1=491, k2=494, k3=691, k4=2832, k5=1925 根據(jù)Arrhenius公式，由25和30下的兩個速率常數(shù)求得活化能E=51.36KJ/mol電電勢勢對對時時間間圖圖二二350300250200150100500-50510152025y = -0.090 x + 27.05時間t電勢mv電電勢勢對對時時間間圖圖一一3503002502001501005000510152025y = -0.051x + 22.72時間t電勢mv電電勢勢對對時時間間圖圖三三350300250200150100500-505101520y = -0.073x + 19.57時間t電勢mv電