12. Calculate the AHnn in units of kJ/mol given the table of bond energies. Br2(g) + 3 F2(g) → 2 BRF3 (g) .. :Br-Br: + :-: -> Br .. .. Bond Bond Energy Br-Br 192 k) F-F 158 k) Br-F 197 k) A -516 k)/mol B -410 k/mol C -611 k/mol D -720 k/mol Illuminate EducationT Inc. DELL 直

Q: Use the Born-Haber cycle and given data AHF (CCI) 438.0 kJ/mol, ICs) 376 kJ/mol, sublimation energy…

A: Here we are required to find the lattice energy from the Born Haber cycle

Q: Consider the following information. • The enthalpy of formation of MgO is AH; = -601.6 kJ/mol. • The…

A: We have O-(g) +e- →O2-(g) and also we have the following data For the reaction, Mg (s)→Mg(g),…

Q: How are bond energy, bond length, and reactivity related for similar compounds?

A: Bond length is an estimate of the distance between the nuclei of two bonded atoms in a molecule. It…

Q: Given the following information: Heat of sublimation of Na(s) = 108 kJ/mol Bond energy of HCl = 427…

A: The reaction considered is, 2 Na (s) + 2HCl (g)→2 NaCl (s) + H2 (g)

Q: Define the term, Chemical Bond?

A: Chemical Bond: Chemical bond is a bond that holds atoms together. It is force that binds ions or…

Q: Consider hypothetical element X and Y.  Suppose the enthalpy of formation of the compound XY is -336…

A: Bond enthalpy It is the energy to break 1 mole of a bond. The enthalpy of formation of a reaction is…

Q: Consider the following information. • The lattice energy of NaCl is AHjattice = -788 kJ/mol. • The…

A:

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

A: Heat of formation: M(s) + 1/2X2 (g) ---> MX (s) ΔH°f = -561 kJ/mol Sublimation: M(s) ------>…

Q: Calculate the AHnn in units of kJ/mol given the table of bond energies. Br2(g) + 3 F2(g) → 2 BrF3…

A: Consider the given reaction as; Br2 g + 3 F2 g → 2 BrF3 g

Q: Given: a. N=C - C = C-H b. F-C = C-H With respect to C = C bond, which has a greater bond length?…

A: a. There are effect of substituents on triple bond. If electron withdrawing substituents are present…

Q: The reaction of H2 with F2 produces HF with AH = -269 kJ/mol of HF. If the H-H and H-F bond energies…

A:

Q: Q2-a

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Q: 2. Use the data given below to calculate the CI-CI bond energy.( 4HC(g) + O:(g) 2H,0(g) + 2C(g) AH…

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Q: Use the data given below to construct a Born-Haber cycle to determine the lattice energy of CaO. AH…

A:

Q: Calculate the lattice formation enthalpy (lattice energy) of the lattice for LiF(s), in kJ/mol,…

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Q: 3. Use the following data to estimate AH° for magnesium fluoride. Mg(s) + F2 (g) MgF2 (s) -2913…

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Q: Without consulting tables of data, predict which species has the larger bond energy, H2 or He+2.

A: Bond energy of a substance may be defined as the energy required to break one mole of bonds in the…

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

A: Given that -  The enthalpy of formation of MX , ∆Hf° = -517 kJ/mol  The enthalpy of sublimation of M…

Q: What is the ELECTRONIC shape of the molecule HSiN? What is the ELECTRONIC shape of the molecule…

A: We have to predict the shape of the molecule HSiN as follows in step 2:

Q: Use data from the Table 5.4, and the following information to calculate the overall energy changes…

A: Ans) 1) ΔH˚f (CaCl)    = 1257.9 kJ/mol 2) ΔHfo (CaCl2) = 796 kJ / mol

Q: A new compound is made that has an N—N bond lengthof 1.26 Å. Is this bond likely to be a single,…

A: The bond length of a bond is inversely proportional to its strength. The shorter the bond length the…

Q: Suppose a chemist discovers a new metallic element and names it "Xhaustium" (Xh). Xh exhibits…

A: Xh(s) + F2(g) → XhF2(s)   Lattice energy for XhF2 -2140. kJ/mol First Ionization energy of Xh…

Q: Determine the energy change for the reaction Li (s) + ½ Cl2 (g) → LiCl (s) from the following data:…

A: According to Hess's Law∆Hf° = ∆Hsub + I⋅E + ∆Hdiss + EA + U            = 159 KJ/mole + 520…

Q: Suppose there is an element X which occurs naturally as X2(g). X2(g) + 2O2(g) → X2O4(g) X2O4 has a…

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Q: Suppose there is an element X which occurs naturally as X2(g). X2(g) + 2O2(g) → X2O4(g) X2O4 has a…

A: Let the molecule is X2O4. This molecule is formed by, X2 +2O2--->  X2O4

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

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Q: Recognising exceptions to the octet rule.

A:

Q: 9.40: classify the following bonds as ionic, polar covalent, or covalent, and give your reasons: b)…

A: The nature of a bond between two atoms either similar or different depending on the…

Q: What is bond energy?

A: In chemistry, two molecules or atoms are connected by a force of attraction. This force of…

Q: CaBr2 is -675 kJ/mol. The first ionization energy of Ca is 590 kJ/mol and its second ionization…

A: It is impossible to calculate the lattice energy directly through the experiment so, an indirect…

Q: he electron geometry of H2S is

A: The Lewis structure of H2S is:

Q: I'm not sure how to solve this one.

A: Given: The enthalpy of formation= -529 kJ/mol The enthalpy of sublimation= 111 kJ/mol The ionization…

Q: Question 2.

A: The equation for the reaction is:

Q: What is ionization energy?  What is electronegativity

A: 1.  Ionisation energy is the minimum amount of energy required to remove the outermost electron from…

Q: Consider an ionic compound, MX, composed of generic metal M and generic, gaseous halogen X. • The…

A: Given,  The enthalpy of formation of MX is ∆H; = -517 kJ/mol. The enthalpy of sublimation of M is…

Q: Calculate the lattice formation enthalpy (lattice energy) of the lattice for LiF(s), in kJ/mol,…

A: Given: Sublimation energy for Li(s)161 kJ/mol∆Hf for F(g)77 kJ/molFirst ionization energy of…

Q: Write the significance of octet rule.

A: The octet rule refers to the tendency of atoms that prefer to have eight electrons in valence shell…

Q: Regarding chemical bonds, which of the following statement(s) is(are) correct? O The bond stiffness…

A: 1.slope= stiffness 2.The  attraction and repulsion acts simultaneously.At equlibrium net force is…

Q: Consider the following: Na(s) + Br2 (9) → NaBr(s) Lattice energy of NaBr(s) Ionization energy of…

A: It can be solved by Born-Haber cycle through Hess's Law. Hess Law states that the total enthalpy…

Q: Given the following information: N, bond energy = 941 kJ/mol , F, bond energy = 154 kJ/mol AH = -103…

A: Given information, Bond energy of N2 = 941 kJ/mol Bond energy of F2 = 154 kJ/mol ∆H = -103 kJ/mol…

Q: Consider the following information. • The enthalpy of formation of BaO is AH; = -548.0 kJ/mol. • The…

A: The born haber cycle for the formation of BaO can be given as :

Q: Suppose we supply enough energy to H2 to remove one ofits electrons. Is the bond energy of the…

A:

Q: Given the following data, calculate the lattice energy of barium chloride, BaCl. IE 1BA= 502.7 kJ…

A:

Q: Consider the following information. • The enthalpy of formation of MgO is AH; = -601.6 kJ/mol. • The…

A:

Q: Consider the following information. • The lattice energy of CsCl is AHjattice = -657 kJ/mol. • The…

A: Born Haber process or more commonly referred to as Born Haber cycle is a method that allows us to…

Q: Without consulting tables of data, predict which specieshas the larger bond energy, H+2 or H2.

A: The species with larger bond order has to be given,

Q: Given the following information: bond energy = 941 kJ/mol, F, bond energy = 154 kJ/mol NF V2 Nao) +…

A: 1.  Given reaction is  1/2 N2 (g) + 3/2 F2 (g)  --> NF3 (g)   formula is   ∆Hrxno = ∑bond…

Q: Suppose a chemist discovers a new metallic element and names it "Xercisium" (Xr). Xr exhibits…

A:

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.