For each pair of substance, identify the substance that is likely to have a higher boiling point. *Prove your answer by drawing their Lewis structure and identifying what type of IMF is present in each substance. 1. SiH4 vs PH3 2. GeH4 vs AsH3 3. HF vs HI 4. SCl6 vs H2

Q: For pairs of molecules in the gas phase, average H-bond dissociation energies are 17 kJ/mol for NH3,…

A: Bond dissociation energy is directly proportional to the bond strength. The average H-bond…

Q: Which of the following forces can be used to explain why F2 and Cl₂ are gases, whereas Br2 is a…

A: Answer:Ionic bondCovalent bondIon-dipole attractionDipole-dipole attractionHydrogen…

Q: Intermolecular forces. Chemistry. Help.

A: Inter molecular forces are termed as the forces acting "between molecules" that is components of a…

Q: 6. Given: Kr boils at 120.9 K and Cl2 boils at 238 K. Both would be considered non-polar and the…

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Q: Based on what we have learned in this class, rank the following substances from strongest…

A: Answer:

Q: a) Which substance has the higher boiling point? Explain your answer. i) CH,CH₂CH₂CH, or CH₂-CH ii)…

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Q: Why do the boiling points of the noble gases increase in the order He < Ne < Ar < Kr <…

A: Given, Boiling point of noble gases increases from He < Ne< Ar< Kr< Xe

Q: HBr < CH3NH2.

A: Dear student I have given answer to your question in the image format.

Q: One of these substances is a liquid at room temperature (all the others would be gases).Based on…

A: The objective of the question is to identify the substance that would be a liquid at room…

Q: Which color of light from the visible spectrum has the most and least energy? Why? What are…

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Q: Rank the following ionic solids in order of decreasing melting points. NaCl Mgo BeO LiF Cas BeO >…

A: We have to predict the order of melting point.

Q: A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and…

A: The graph for substance S given is,

Q: Which type of crystalline solid is formed by each substance: (a) CaCl 2; (b) Fe (iron); (c) sugar (C…

A: (a)

Q: Which of the following would not have an effect on melting point of a substance? dispersion forces…

A: Higher is the intermolecular force of attraction,more amount of energy is required to overcome the…

Q: Respond to Questions on the Concept of Intermolecular forces of attraction: 1. Identify all types of…

A: Intermolecular forces are the forces of attraction or repulsion which act between neighboring…

Q: Which should have a higher enthalpy of vaporization, CF4 or CBR4? Explain the role of intermolecular…

A: enthalpy of vaporization is the amount of heat or energy required to convert a specific amount of…

Q: 8. Which of the following will explain this observation, the surface tension of CHBR3 is greater…

A: Here, CHBr3 and CHCl3 Both molecules has same geometry i.e. Tetrahedral.  They both have same…

Q: 9. So far we have discussed 4 kinds of intermolecular forces: ionic, dipole-dipole, hydrogen…

A: Given that, there are 4 kinds of intermolecular forces. Ionic force, Dipole-dipole force, Hydrogen…

Q: How much heat is required to convert 135 g of liquid water at 15 °C into water vapor at 120 °C?…

A: Determine heat required to convert liquid water into water vapour by  Q= mC∆T used to in same stage…

Q: 4) The compound C2Cl3F3 has a normal boiling point of 47.6 °C. The specific heat of this compound is…

A: Given  Boiling point of (C2Cl3F3) = 47.6 °C Specific heat of  C2Cl3F3(l) = 0.91J/g°C Latent heat of…

Q: Substance Cl2 b.p. –34 °C HCl b.p. –85 °C Composition type (ionic, etc):     Physical state…

A: Two substances chlorine and HCl are given . We have to complete the table .

Q: There are three sets of sketches below, showing the same pure molecular compound (sulfur dioxide,…

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Q: The graph shows the boiling points of various substances. Does SiH4 or CH4 have stronger…

A: Intermolecular forces are the forces present between the molecules. These are of three types i.e.…

Q: a) How does the boiling point change from top to bottom in group 6A elements (o, S, Se, Te)? b) The…

A: Answer:- This question is answered by using the simple concept of boiling point of group 6A which…

Q: The correct decreasing order of boiling point is LOH NHCH II III IlII> Il> I O Il> II O > III > ||…

A: Decreasing order of boiling points of the given compounds is as follows.

Q: Why do water molecules tend to stick to each other to form a liquid?     A.Because of their bent…

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Q: Which has a higher boiling point: methanol (CH3OH) or methane (CH4)? Explain. Include information…

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Q: Which of the following ionic compounds is expected to have the HIGHEST molar enthalpy of fusion? Bao…

A: Molar enthalpy of fusion: Amount of heat absorbed by one mole of that substance when it is…

Q: From each pair below (attached image), select the molecule that will display stronger intermolecular…

A: The pairs given are,

Q: 2. Calculate the amount of heat energy associated with 255 g of water vapor condensing at 10°C.

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Q: Write the Lewis structure(s), predict the molecular/ion shape (eg. linear) , and the types of…

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Q: The boiling points of the noble gases go in the order: He < Ar < Ne < Kr < Xe, Which of the…

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Q: Arrange He, Ne, and Ar in the order of increasing boiling points. Ar < He < Ne Ne < He < Ar He < Ne…

A: Type of intermolecular force present in noble gases = Van der Waal force. Magnitude of van der Waal…

Q: Explain the given experimental observation in terms of intermolecular forces and/or bonding. The…

A: Boiling point is defined as the temperature at which a liquid starts boiling and becomes vapours.…

Q: Arrange HF, HCl, and HBr in increasing order of their boiling point. Select one: O a. HBr <HCI <HF O…

A: The temperature at which the vapor pressure of a liquid equals to atmospheric pressure is called the…

Q: ich substance would have a higher boiling point: Su termolecular forces that would be present for…

A: Boiling point of substance is depends on intermolecular interaction between molecules. Stronger the…

Q: Why do ionic compounds conduct electricity in the liquid state, but not in the solid state? Valence…

A: Ionic compounds are chemical compounds composed of positively and negatively charged ions that are…

Q: Which has a higher boiling point: methanol (CH3OH) or methane (CH4)? Explain. Include information…

A: Boiling point of molecule depends on forces or attraction present in the molecule . If there is…

Q: Explain the trend in melting points of the hydrogen halides below. HI -50.8 C         HBr -88.5 C…

A: When the atomic number of the element increases, their attractive forces increases also when the…

Q: The intermolecular forces present in CH 3NH 2 include which of the following?  I. dipole-dipole II.…

A: We have to predict the forces found in methyl amine.