ABORATORY Name Date Section ASSESSMENT e6 Thecomesponds to the indicated Learmin

Question

ABORATORY Name Date Section ASSESSMENT e6 Thecomesponds to the indicated Learming Outcomei ound at the beginning of the Laboratory Exercise Movements Through Membranes PART A: Assessments Complete the following: 1. Enter data for Activity was performed, include those results in the table. ir changes in the movement of the potassium permanganate in the following table If the Learning Extension in Radius of Purple Circle in Millimeters (mm) Learning Extension Activity: Learning Extension Activity Radius of Purple Circle in Ice-Cold Water in mm Radius of Purple Circle in Hot Water in mm Elapsed Time at Room Temperature Initial 1 minute 2 minutes 3 minutes 5 minutes 5 minutes 7 minutes 8 minutes 9 minutes 10 minutes 35 2. Prepare a graph that illustrates the diffusion distance of potassium permanganate in 10 minutes. Then, using a different colored pencil for ice-cold water and a third colored pencil for hot water, graph the data you obtained 45 if you performed the Learning Extension Activity 3. Interpret your graph. 820 NC 012 345678 0 Time (minutes)

Explanation / Answer

( Just remember that the radius of the drop in ice cold water will be lesser than that at room temperature and more in hot water)

3. In ice cold water, the molecules have low kinetic energy, thus they are not able to increase in radius as quickly as that in room temperature. On the contrary, in hot water, the molecules have a high kinetic energy and thus the radius increases at a faster rate. As time progresses, and water reaches the normal room temperature, the radius of the drop in two beakers reaches the approximately same radius.

Time Room temp Ice cold water Hot water 1 min 9 7 12 2min 13 11 15 3min 19 15 24 4min 29 20 34 5min 35 28 40 6min 40 35 45 7min 45 40 50 8min 50 44 55 9min 54 50 59 10min 58 54 63

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