Discuss the nature (attractive or repulsive) and the range of interparticle force in a suspension of 100 nm Diameter particles in water introduced by addition a linear hydrophilic polymer, adopting in water a random coil structure with radius 5 nm, if (a) the polymer does not bind to the surface of the particles, (b) the polymer molecules are anchored to the surface of the particle. (c) Explain whether the amplitude of the force will increase or decrease with temperature.

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Discuss the nature (attractive or repulsive) and the range of interparticle force in a suspension of 100 nm Diameter particles in water introduced by addition a linear hydrophilic polymer, adopting in water a random coil structure with radius 5 nm, if
(a) the polymer does not bind to the surface of the particles,
(b) the polymer molecules are anchored to the surface of the particle.
(c) Explain whether the amplitude of the force will increase or decrease with temperature. 

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