Which of the two has a lower vapor pressure CH3CH2CH2CH2CH2CH2CH2CH3 or (CH3CH2CH2)2 CO. Explain, why? 2. Despite

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A: The degree of polymerization (DP or Xn) is defined as the number of monomer units in a polymer or…

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A: Capillary raises due to adhesive forces . When interaction between glass and water is high than…

Q: 100 20 8- 4000 3500 3000 2500 20ee 1500 1000 capillary fiIn betueen salt plates HAVENUMBERS…

A: Provided molecular formula=C8H8O2 3H(singlet) at 3.8ppm 2H(doublet) at 6.9ppm(aromatic region)…

Q: Describe the general process of polymer dissolution in a solvent. Other than polarity, list the…

A: Polymers: The word "poly" means many and "mers" means units. Many small molecules (monomers) join…

Q: Give an example of a cis- and a trans- structure each. Explain why cis- and trans-fats have very…

A: Both boiling point and melting point of a compound depends on inter-molecular force. Greater is the…

Q: Arrange the following molecules in order of predicted increasing vapor pressure: C2H6 CH2F2 Ne CH3OH…

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Q: Cite two (2) examples of a materials that shows the evidence of Intermolecular forces of attraction.…

A: Given: We have to tell the examples of materials that shows intermolecular forces of attraction.

Q: which will have higher vapor pressure: CH3CH2OH or CH3OCH3 and briefly explain the choice.

A: In this question we have to differentiate the vapour pressure of alcohol and ether. The given…

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…

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Q: (a) CH3CH2NH2 (b) CH3CH2NHCH3 (c) CH3CH2CH2F 2. Highlight the predominant intermolecular…

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Q: 4. Basing your answer on molecular structure and intermolecular forces, rank the following molecules…

A: For a molecule to be a best lubricant it should have high viscosity index, low freezing point, and a…

Q: a) Draw the structure of 3 units of the polymer Kevlar

A: The monomers are mentioned below:

Q: Explain the following observations:  (i) Kevlar has an extremely high tensile strength and melting…

A:

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 800- 700 600…

A: The liquid molecules tend to convert into the vapour phase. In a closed container, the pressure of…

Q: Trans-oleic acid (18:1,D9) has a melting temperature of (44.5C) and cis-oleic acid (18:1,D9) has a…

A: Since we know that the melting point of any molecule is proportional to the effective packing of the…

Q: 8)Why measuring melting points?

A: You have a good question

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A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 700 600 +…

A: 1.

Q: Liquids that readily evaporate are classified as volatile liquids. Such liquids have measurable…

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Q: Based on boiling points, can the weakest IMF (dispersion forces) be stronger than hydrogen bonding…

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Q: Why is the capillary tube placed such that the open end is above the oil level?

A: The capillary tubes are very thin in appearance. These are used to determine the melting point or…

Q: Which of the following molecules will have the highest vapor pressure? In your work upload, provide…

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Q: 4. At which numbered section(s) is/are phase changes occurring? 5. At which numbered section(s)…

A: Phase change of a substance is defined as change in the phase of substance with change in…

Q: The repeat unit in polystyrene coffee cup has C6H5CHCH2. If the molar mass of the polymer is…

A: Degree of polymerization = Molecular weight of polymerMolecular weight of monomer   Molar mass of…

Q: Explain the following observations:  (i) Kevlar has an extremely high tensile strength and melting…

A: To explain the given observations:

Q: Polymer PXX has a glass transition temperature of 49°C. What is the typical appearance and…

A: The temperature at which polymer undergo transition from glassy to

Q: If you place 1.6 L of ethanol (C₂H5OH) in a small laboratory that is 3.0 m long, 2.5 m wide, and 2.0…

A: The answer to the following question is-

Q: Chemistry __________ will have the highest boiling point. 3,4-diethyl-octanol 2,3-dimethyl-octanol…

A: Given  3,4-diethyl-octanol 2,3-dimethyl-octanol 2-ethyl-hexanol ethanol decane Higher Boiling Point…

Q: Cyanamide, NH2CN, has a melting point of 45 °C. (a) Draw a dot-and-cross diagram to illustrate the…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

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Q: What is the most prominent IMFA/s present when water forms beaded droplets on a waxy surface?

A: IMFA : Intermolecular forces of attraction

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Q: What is the name of the intermolecular interaction between two charged functional groups (one…

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Q: Which substance, A or B, has the lower polarizability? A= CH3CH2CH3 B= CH3CH3

A: More the polarizability, stronger will be the intermolecular forces.

Q: 9)Who measures melting points?

A: Melting point is defined as the temperature at which solid starts melting. At melting point there is…

Q: Please give a brief and clear answer. Describe how polymer morphology affects a polymer’s overall…

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Q: Aside from London dispersion forces, which substance d interactions to be effective?

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Q: Water rises in capillar tubes because A. cohesion is greater than adhesion B. adhesion is greater…

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Q: 3.41 Intramolecular forces of attraction are often important in holding large molecules together.…

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Q: what is the melting point of divanillyl oxalate

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Q: Which liquid layer, top or bottom, do you expect to be the organic layer?

A: Which liquid layer, top or bottom, do you expect to be the organic layer?

Q: Why does an aqueous solution of ethanol (CH₃CH₂OH)have a lower surface tension than water?

A: Surface tension is the energy required to increase the area of the surface of the liquid by…

Q: what is the final temp of an insulating polymer if a 69.30 g sample with specific heat of 8.315 J/g…

A: Given : Amount of heat absorbed = 4.0 KJ = 4000 J                       (Since 1 KJ = 1000 J)…