Nr Table 1 shows the relative viscosity, nr for a polyisobutylene with the molecular weight of 1500000 g/mol in benzene at the theta temperature of 25 °C. Determine the intrinsic viscosity of this polyisobutylene solution at this theta temperature. Table 1: Relative viscosity for 1500000 g/mol of polyisobutylene in benzene at 25 °C Concentration (g/L) Relative viscosity, n 1.066 1.136 1.209 1.287 0.05 0.10 0.15 0.20

Nr Table 1 shows the relative viscosity, nr for a polyisobutylene with the molecular weight of 1500000 g/mol in benzene at the theta temperature of 25 °C. Determine the intrinsic viscosity of this polyisobutylene solution at this theta temperature. Table 1: Relative viscosity for 1500000 g/mol of polyisobutylene in benzene at 25 °C Concentration (g/L) Relative viscosity, n 1.066 1.136 1.209 1.287 0.05 0.10 0.15 0.20

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...

See similar textbooks

Similar questions

Determine the viscosity of diethyl ether at 77 degrees Celsius. (Pa·s) Determine the density of cyclohexene at 50 degrees Celsius. (kg/m3)
give 5 examples of a 1 phase diagram and show its phase rule
10.11/ A 1.5-kg specimen of a 90 wt% Pb-10 wt% Sn alloy is heated to 250°C (480°F), at which temperature it is entirely an a-phase solid solution . The alloy is to be melted to the extent that 50% of the speci- men is liquid, the remainder being the a phase. This may be accomplished either by heating the alloy or changing its composi- tion while holding the temperature con- stant. (a) To what temperature must the speci- men be heated? (b) How much tin must be added to the 1.5-kg specimen at 250°C to achieve this state? 10.15) A magnesium-lead alloy of mass 5.5 ka consists of a solid a phase that has a compo- sition that is just slightly below the solubility limit at 200°C (390°F). (a) What mass of lead is in the alloy? (b) If the alloy is heated to 350°C (660°F). how much more lead may be dissolved in the a phase without exceeding the solubility limit of this phase? 10.27 A hypothetical A-B alloy of composition 55 wt% B-45 wt% A at some temperature is found to consist of mass…
Is it possible to have a homogeneous, binary liquid solution that has a higher (or lower) viscosity relative to either component?
How many phases are present at each of the points a–d indicated in Fig. 4.1a?
For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -4423 K. What is the ΔHvap of this liquid? Your answer should be in kJ/mol and have 3 sig figs
For a given liquid a plot of the lnP versus 1/T gives a straight line with a slope of -2829 K.What is the ΔHvap of this liquid? Your answer should be in kJ/mol and have 3 sig figs
solve as neatly as possible and show completesolution. Round your final answer to 4 decimal places and box / highlight all final answers. and all values must include proper units with proper conversion if needed in your solution. kindly folllow the format Given,Required,Solution subject physical chemistry 1. Calculate the mass of water vapor present in a room of volume 400 m3 thatcontains air at 290C when the relative humidity is 53.0%. Compute for the vaporpressure of water?
When the temperature is 20 ° C, water flows through an ostwald viscometer at 363 s, whose density and viscosity are given as 0.9982 g / cm3 and 1,000 cP, respectively. The flow time of OF2 from the same viscometer at -145.8 ° C was measured as 68 s. Since the density of OF2 at this temperature is 1.523 g / cm3, what is the value of its viscosity?
Pressure was exerted with a piston on molten naphthalene at 95 °C. The vaporpressure of naphthalene when the applied pressure is 1.0 bar is 2.0 kPa. What is thevapor pressure when the pressure on the liquid is 15 MPa? The mass density ofnaphthalene at this temperature is 1.16 g cm-1.
solve as neatly as possible and show completesolution. Round your final answer to 4 decimal places and box / highlight all final answers. and all values must include proper units with proper conversion if needed in your solution. kindly folllow the format Given,Required,Solution 8. At 250C, the interfacial tension between water and n-octyl alcohol is 8.50 dyne/cm. If the surface tension of n-octyl is 27.53 dyne/cm and that of the water is 72.75 dyne/cm, predict whether water spreads on the alcohol by calculating a) Work of cohesion of n-octyl b) Work of adhesion and c) the spreading coefficient of water on the alcohol.
An experimental attempt was to convert 2000 cm^3 of a solution consists of 0.96 ethanol into another solution consisting of 0.56 ethanol. If the density of water at the experiment's temperature and pressure is 997 kg/ m^3, How much H2O should be added to the 2000 cm^3 solution? What is the solution's volume after conversion? Given data: In the 0.96 ethanol solution :V ethanol = 0.816 cm^3/g and Vwater = 1.273 cm/g In the 0.58 ethanol solution: V ethanol = 0.953 cm^3/g and :V water = 1.243 cm/g