Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Date: 4-2-2005 Title: The kinetics of the reaction between permanganate and ethandioate ions Data: Filter color Colorimetory Reading, I1 (%) Colorimetory Reading, I2 (%) red 79.0 100 yellow 34.5 100 green 3.0 100 blue 34.0 100 I1 = transmittancy of KMnO4 I2 = transmittancy of water Volume of KMnO4 added to water (cm3) Colorimetory Reading, I (%) I / I0 Molarity of KMnO4 (M) 0.0 100.0 1.00 0.0 0.1 74.0 0.74 0.01×0.1 / 10.1 = 1.0×10-4 0.2 39.0 0.39 0.01×0.2 / 10.2 = 2.0×10-4 0.3 26.0 0.26 0.01×0.3 / 10.3 = 2.9×10-4 0.4 13.0 0.13 0.01×0.4 / 10.4 = 3.8×10-4 0.5 6.0 0.06 0.01×0.5 / 10.5 = 4.8×10-4 0.6 4.0 0.04 0.01×0.6 / 10.6 = 5.7×10-4 0.7 2.0 0.02 0.01×0.7 / 10.7 = 6.5×10-4 0.8 1.0 0.01 0.01×0.8 / 10.8 = 7.4×10-4 0.9 1.0 0.01 0.01×0.9 / 10.9 = 8.3×10-4 1.0 0.5 0.005 0.01×1.0 / 11.0 = 9.1×10-4 10cm3 C2O4 + 0.2 cm3 KMnO4 used Time of reaction (s) Colorimetory reading (%) Molarity of KMnO4 (10-4 M) 0 54.0 1.40 30 54.0 1.40 60 54.0 1.40 90 54.0 1.40 120 54.0 1.40 150 54.0 1.40 180 54.0 1.40 210 54.0 1.40 240 54.0 1.40 270 63.0 1.10 300 65.0 1.05 330 72.0 0.80 340 74.0 0.75 350 74.0 0.75 360 75.0 0.70 370 76.0 0.70 380 77.0 0.65 390 78.0 0.65 400 78.5 0.60 410 79.5 0.60 420 81.0 0.55 430 82.0 0.50 440 83.0 0.50 450 84.5 0.45 460 86.0 0.40 470 87.0 0.40 480 88.0 0.35 490 89.5 0.35 500 90.5 0.30 510 91.5 0.30 520 93.0 0.25 530 94.0 0.20 540 95.0 0.20 550 96.0 0.15 560 97.0 0.10 570 98.0 0.05 580 99.5 0.05 590 100.0 0.00 600 100.0 0.00 610 100.0 0.00 620 100.0 0.00 630 100.0 0.00 640 100.0 0.00 650 100.0 0.00 660 100.0 0.00 Calculation: The slope of the graph of the concentration of permanganate ions against reaction time is the rate of the reaction between permanganate and ethandioate ions at a particular reaction time. Time of reaction (s) Reaction rate (10-7 moldm-3s-1) 40 0.0 60 0.0 80 0.0 100 -0.2 120 -0.4 140 -0.9 160 -1.0 180 -1.2 200 -2.0 220 -2.8 240 -3.0 260 -3.3 280 -3.4 300 -3.6 320 -3.8 340 -3.9 360 -3.9 380 -4.0 400 -3.8 420 -3.7 440 -3.6 460 -3.4 480 -3.3 500 -3.0 520 -2.8 540 -2.5 560 -2.2 580 -1.7 600 -1.3 620 -0.5 640 0.0 660 0.0 680 0.0 Result: The rate of reaction between permanganate and ethandioate ions...

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 146,166 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk