Which description of a polymer's properties is consistent with viscoelasticity? Viscous at low temperatures, rubbery at intermediate temperatures, glassy at high temperature Rubbery at low temperature, glassy at intermediate temperature, viscous at high temperature Glassy at low temperature, rubbery at intermediate temperature, viscous at high temperature Viscous at low temperature, glassy at intermediate temperature, rubbery at high temperature

Q: Which one below is true for polymers? Density of crystalline polymer is less than that of amorphous…

A: Given statement is :  Which one below is true for polymers ?  a). Density of crystalline polymer is…

Q: Determine the Bragg condition required to examine the following materials. Complete the following…

A: We need to determine the Bragg condition to examine the given materials by completing the table.…

Q: Draw the polymer structure of spun viscose

A: Given in following question a polymer name spun viscose draw the strecture of this polymer

Q: Explain the factors that affect the length of a block copolymer.

A: A block copolymer is a multiphase heterogeneous polymer in which different blocks (segments of…

Q: Polymer PXX has a glass transition temperature of 49°C. Describe the viscoelastic behaviour of the…

A: Glass transition temperature(Tg) It is the temperature at which a polymer coverts into its soft form…

Q: Choose the substance with the highest surface tension. Explain your answer. A) HOCH2CH2OH…

A: Explanation to the correct answer is given below

Q: It is near impossible to form metals with amorphous microstructure. True False "In a single simple…

A: a). false explain: Amorphous Metal (bulk metallic glass) provide an alternative at the most basic…

Q: There are 2 atoms or ions per unit cell in a body centered cubic structure. True False

A: The body centred cubic (BCC) structure, looks like this. There are 8 atoms in the corner each shared…

Q: Which of the following is a property of molecular crystals? malleability sheen ductility

A: molecular crystals are a type of crystalline solid that are composed of individual molecules held…

Q: Which representation(s) show polymer structures that are likely to result in rigid, hard materials…

A: According to the question,  We need to determine which representation(s) show polymer structures…

Q: Would you expect iron or silicon nitride to have a higher elasticity?

A: Elasticity, refers to the ability of a material to deform reversibly under stress and return to its…

Q: What does this graph tell you about the material that is described by this phase diagram? Indicate…

A: When there is study of different phases of a component, it will come under the study of phase…

Q: Metallic iron (MMe = 55.845g/mol) crystallizes in a certain type of cubic unit cell, the edge length…

A:

Q: Which one of the following would have the highest molar heat of vaporization? H₂S SiH4 CH4 CH3NH2…

A: •Molar heat of vaporization:- Molar heat of vaporization is the heat absorbed by 1 mol of substance…