Select the true statements regarding flocculation. a. Repulsive forces between molecules must be reduced to allow attractive forces to flocculate particles b. Low ionic strength favors particle-particle attachments (flocculation) C. Electrokinetic properties of particles depend only on the particle characteristics which cannot be manipulated to decrease repulsive forces between particles d. Van der Waals are attractive forces that allow for flocculation
Select the true statements regarding flocculation. a. Repulsive forces between molecules must be reduced to allow attractive forces to flocculate particles b. Low ionic strength favors particle-particle attachments (flocculation) C. Electrokinetic properties of particles depend only on the particle characteristics which cannot be manipulated to decrease repulsive forces between particles d. Van der Waals are attractive forces that allow for flocculation
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:Select the true statements regarding flocculation.
a. Repulsive forces between molecules must be reduced to allow attractive forces to
flocculate particles
b.
Low ionic strength favors particle-particle attachments (flocculation)
c. Electrokinetic properties of particles depend only on the particle characteristics
which cannot be manipulated to decrease repulsive forces between particles
d. Van der Waals are attractive forces that allow for flocculation

Transcribed Image Text:Which of the following are true regarding the electric double layer?
a. The stern layer describes the firmly attached layer of counter ions that are
attracted to the typically positively-charged cell debris at neutral pH.
b. The thickness of the double layer is independent of the valence of counter ions
(Al³+ or Nat).
c.
Decreasing the ion concentration would reduce the thickness of the double
layer.
d. Increasing the bulk concentration of ions (i.e. increasing ionic strength) would
decrease the Debye radius.
e. Describes the charged atmosphere surrounding a charged particle which impacts
flocculation of charged particles.
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