The growth of polymers through addition and condensation reactions should be explained. Concept introduction: Polymers are macromolecules that are formed when a certain number smaller molecules called monomers bind together Polymers can be synthesized either by combining similar monomer units or different units. The latter is referred as copolymerization. The physical properties of polymers can be controlled by changing the monomer units

Question

Propagation of uncertainty. You have a stock solution certified by the manufacturer to contain 150.0±0.03 µg SO42-/mL. You would like to dilute it by a factor of 100 to obtain 1.500 µg/mL. Calculate the uncertainty in the two methods of dilution below. Use the following uncertainty values for glassware: Glassware Uncertainty (assume glassware has been calibrated and treat the values below as random error) 1.00 mL volumetric pipet 0.01 mL 10.00 mL volumetric pipet 0.02 mL 100.00 mL volumetric flask 0.08 mL Transfer 10.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask. Then take 10.00 mL of the resulting solution and dilute it a second time with a 100 mL flask. 2. Transfer 1.00 mL with a volumetric pipet and dilute it to 100 mL with a volumetric flask.

Answer 1

Question

Chapter 8, Problem 9CO

Interpretation Introduction

Interpretation:

The growth of polymers through addition and condensation reactions should be explained.

Concept introduction:

Polymers are macromolecules that are formed when a certain number smaller molecules called monomers bind together

Polymers can be synthesized either by combining similar monomer units or different units. The latter is referred as copolymerization.

The physical properties of polymers can be controlled by changing the monomer units

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