Two samples with narrow molecular weight distributions are prepared of a new polymer. Some measurements are made in acetone and in hexane. sample A in acetone have Mn (osmotic pressure) 85000 Sample A Acetone, 25°C Parameter Second viral coeff. Intrinsic viscosity Intrinsic viscosity 0 0.87 dl/g 1.25 dl/g sample B not run 1.32 dl/g 2.05 dl/g Hexane, 25°C (a) What is the Mn of sample B? (b) What are the Mark-Houwink-Sakurada parameters (K' and a) acetone and in hexane?

Two samples with narrow molecular weight distributions are prepared of a new polymer. Some measurements are made in acetone and in hexane. sample A in acetone have Mn (osmotic pressure) 85000 Sample A Acetone, 25°C Parameter Second viral coeff. Intrinsic viscosity Intrinsic viscosity 0 0.87 dl/g 1.25 dl/g sample B not run 1.32 dl/g 2.05 dl/g Hexane, 25°C (a) What is the Mn of sample B? (b) What are the Mark-Houwink-Sakurada parameters (K' and a) acetone and in hexane?

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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