1.9 The viscosity of fresh water at various temperatures is as follows: Temperature (F) 50 100...
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1.9 The viscosity of fresh water at various temperatures is as follows: Temperature (°F) 50 100 150 200 250 300 Viscosity (cp) 1.30 0.68 0.43 0.30 0.23 0.19 a. Plot viscosity, in ordinate, vs. temperature on linear coor- dinate paper. b. Show that the viscosity can be approximately calculated with the equation μ=60/T, where μ is in cp and Tis in °F. c. On the same graph, plot, in ordinate, the resistivity of a 6,000-ppm NaCl solution vs. temperature. Also, using a suitable change in ordinate scale, plot the resistivity of a 60,000-ppm NaCl solution. d. What conclusion do you draw from Part c about the mech- anism by which temperature affects the resistivity of elec- trolytes? 1.9 The viscosity of fresh water at various temperatures is as follows: Temperature (°F) 50 100 150 200 250 300 Viscosity (cp) 1.30 0.68 0.43 0.30 0.23 0.19 a. Plot viscosity, in ordinate, vs. temperature on linear coor- dinate paper. b. Show that the viscosity can be approximately calculated with the equation μ=60/T, where μ is in cp and Tis in °F. c. On the same graph, plot, in ordinate, the resistivity of a 6,000-ppm NaCl solution vs. temperature. Also, using a suitable change in ordinate scale, plot the resistivity of a 60,000-ppm NaCl solution. d. What conclusion do you draw from Part c about the mech- anism by which temperature affects the resistivity of elec- trolytes?
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