Which statement is right? in liquid, the viscosity decreases with the increases

Question

Which statement is right? in liquid, the viscosity decreases with the increases of temperature. This is because with the increase of temperature the molar free energy of activation Delta G_0 + increases. Delta G^+ _0 decreases the frequency v of the jump from cage into neighbor hole per molecule increases. v decreases. the volume fraction Phi_A of particles in dilute suspension A is two times of Phi_A (Phi_A = 2 Phi_A) in suspension 8 of the same particles. the effective viscosity in suspension A and B is and respectively. Therefore, d None of them.

Explanation / Answer

2. with increase in temperature freqeuncy of jump from cage to neighbour increases.as the intermolecular distance increase.

3. volume fraction is inversely proportional to viscosity. So, it should be 2*U a eff = U b eff

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