Consider the following materials: 1) liquid methane (CH4) 2)  liquid water (H2O),  3)  solid sodium fluoride (NaF)  and 4)  liquid solution of NaF in water. Describe the types of forces which hold the ions and/or molecules together in each of these materials.

Q: For question 3, how would I do this problem? And question 4, how would I answer this question?

A: question 3. the enthalpy or heat of sublimation is the heat required to change one mole of a…

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A:

Q: Calculate the lattice enthalpy(nearest integer value) in kJmol-1 of LiF, given that ,enthalpy of…

A:

Q: Determine the shape of the following molecules and identify what intermolecular forces exist in a…

A: a) SO2Cl2 = The structure of the given compound is, The shape of the compound is Tetrahedral. The…

Q: Describe the shape Independent units or lattice  Ratio of Na+ to Cl-

A: The shape of NaCl can be seen from the structure as cubic. Hence the NaCl is cubic in shape.

Q: Determine the lattice energy from the following data: heat of fusion for KF solid = -567.3 kJ/mol…

A: Given,  heat of fusion for KF solid = -567.3 kJ/molenthalpy of sublimation for K solid = 89.24…

Q: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

A: The heat required to boil off water is calculated as shown below: Heat = Heat required to raise the…

Q: 9) Which sample of water will have the highest vapor pressure? 1) 40 ml at 32 C 2) 10 ml at 82 C 3)…

A: 9) Vapour pressure depends only on temperature not on the amount of liquid so the sample having…

Q: Determine the boiling point of CS2, in °C, from the following data: A Hf° (kJ mol-1) S°(J mol-1 K-1)…

A: The  temperature at which liquid boils at Standard atmospheric pressure that is at 1 atm is called…

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: Based on the thermodynamic properties provided for water, determine the energy change when the…

A:

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: The cooling and freezing is an exothermic process, which means q is negative (–).  There are two…

Q: Substance Lewis Dot Structure Polar or Non-Polar Type of Intermolecular Force H2S with itself Polar…

A: Given table is :  Complete the given table = ?

Q: The interhalogen compound BrF3 is a volatile, straw-colored liquid. The compound exhibits…

A: The molecular structure of BrF2+ and BrF4- are bent and square planar respectively. Their electronic…

Q: Which substance in each of the following pairs would you expect to have the higher boiling point?…

A: Given that a some following pair compounds. following pair is a substance of higher boiling point.

Q: Which of the following does

A: Boiling point depends upon intermolecular force of attractions (IMF)  Polar Compounds have more…

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A: Need to calculate Deltaf H degrees of MgCl(s)

Q: Which of the following statements is/are correct?            l. Water is good at dissolving ions…

A: We need to determine which of these points given are  true about solvent property of water.

Q: does water shows paramagnetic behaviour?

A: MOT or molecular orbital theory states that atomic orbitals of the bonded atoms overlap to form…

Q: Calculate the lattice energy of ionic solid MX, given the following thermodynamic data: M(s) + X2(9)…

A: ΔH(n→n)=ΔH"Sub"+1/2ΔH"dis"+ΔH(E⋅A)+ΔH(J.E)+ΔHLE ΔH(L-E)=4H(n×2)-ΔHsen⁡t+1/2ΔH(dij1)+ΔH(E⋅A+)AH(I.E)…

Q: Solid MgSO4 is dissolved in water, and the temperature of the solution increases. Which of the…

A: Explained as follows

Q: Based on the thermodynamic properties provided for water, determine the energy change (in kJ) when…

A:

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Since in the above process, 1) we are cooling gas at 101 °C to 100 °C  2) condensing the gas at 100…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A:

Q: The ionic compound CaO crystallizes with the same structureas sodium chloride (Figure 8.3). (a) In…

A: a. The crystalline structure of sodium chloride (refer Figure 8.3 in the book) has six Cl ions in…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A:

Q: Solid ionic molecules are not electrically conductive due to the free movement of their ions

A: Ionic solid: Such solids are formed by the 3-dimensional arrangements of cations and anions bound by…

Q: Which compound is most likely to have ionic forces? a.H20 b.Al203 c.PCI3 d.Xe

A: Ionic forces exist between the compounds that are formed between the atoms of significant…

Q: Use the following data to estimate Delta Hf for potassium chloride. K(s) + 1/2 Cl2(g) -> KCl(s)…

A: The change in energy of a reaction is defined as the sum of change in the internal energy of a…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Answer: In this cooling process water will lose its energy via 3 step process: 1. Vapor will be…

Q: 16. Calculate the normal melting point of l2 (s) in °C given the following data: AH° = 15.52 kJ/mol…

A:

Q: in

A: The London dispersion force is the weakest intermolecular force. The London dispersion force is a…

Q: 246.05°C, while the boiling point of liquid argon (Ar) is 17. The boiling point of neon (Ne) is -…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: Which of the following is an ionic solid? s2- SF6 Na2s O S8 O so,2-

A: We know that, Generally an ionic compound are solid. S2- is only one ion. So it is not solid. SF6 is…

Q: 88.why does evaporation of water from a surface cause cooling of the surface? evaporation causes…

A: The solution is given below -

Q: There are three flask they are all 1.00L flask a is NH3 flask B is NO2 flask c is N2 which flask are…

A:

Q: Which compound will be more likely to exist as a hydrated solid? O KCl O CuSO4

A: Some compound when comes in contact with water vapors present in the atmosphere absorbs them into…

Q: NH3 & H2O a. illustrate the lewis dot structure b. polar or nonpolar?

A: a. To write the Lewis dot structure we should know the total number of valence electrons  b.…

Q: determine the amount of energy released for 130.0  g of water to go from 89.0 °C to -12.0 °C.

A:

Q: Which substance in each of the following pairs would you expect to have the higher boiling point?…

A: In this question, we have to find out the correct answer of given problem by the help of THE…

Q: Q1. The net potential energy between two adjacent ions, EN, is represented by A В EN pn where En is…

A: 1. Given: The expression for net potential energy between two adjacent ions is as follows,…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Given data mass of water = 0.450 kg Initial temperature of water : T1=103°C Final temperature of…

Q: 4. Identify the most important type of intermolecular force present in the solids of each of the…

A: The forces of attraction that act between nearby particles are known as intermolecular forces of…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: Given, Mass of water = 1.05kg. Initial temperature = 117oC. Final temperature = 56.5oC. Moles of…

Q: Which compound likely has a higher melting point, aluminum chloride AlCl3 or Phosphorus trichloride…

A: So the melting point of given two compounds i.e. aluminium Chloride ( AlCl3) and phosphorus…

Q: For each substance in the pair, list the forces between the formula units (IeFs for most, but IaFs…

A: According to the question, here we have to list the forces between the formula units (given) &…

Q: Which member in each pair has the greater dispersionforces? (a) H2O or H2S, (b) CO2 or CO, (c) SiH4…

A: Dispersion forces mainly depend upon two factors: geometry of a molecule and its molecular weight.…

Q: Based on the thermodynamic properties provided for water, determine the energy change when the…

A: The change in energy is calculated as shown below:

Q: Your roommate is having trouble understanding why solids form. He asks, “Why would atoms bond into…

A: Solid are the basic state of matter and having low intermolecular spaces and high intermolecular…