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

Q: The bond energy for a C-H bond is about 413 kJ/mol in CH, but 380 kJ/mol in CHB33. Although these…

A: Bond energy is the energy required to break a bond .  CH4 have all four H-atoms attached to central…

Q: What is the principle of electroneutrality? Use this rule to exclude a possible resonance structure…

A: Principle of electroneutrality: The principle of electroneutrality states that the electrons in a…

Q: Given the following reactions and their enthalpies: ΔΗ (k/mol) H2(g) O2(g) 2H(g) 20(g) +436 +495 1…

A: Reaction 1:   H2 (g)  →  2 H (g)                   ∆H1 = +436 kJ/molReaction 2:   O2 (g)  →  2 O…

Q: Which of the following species (there may be more thanone) is/are likely to have the structure shown…

A:

Q: Formal charge and electronegativity aids in providing insight on which portion of a molecule has a…

A: Electronegativity  can be defined as the tendency of an atom to attract shared pair of electrons…

Q: Consider hypothetical elements X2 and Y2. Suppose the enthalpy of formation of the compound XY is –…

A: The Enthalpy of formation is calculated by the following formula ∆Hrxn=∑BEproduct-∑BEreactant The…

Q: 3- Consider the following electron configuration: (σ3s)2 (σ3s*)2 (σ3p)2 (π3p)4 (π3p*)4 Give four…

A: The given molecular orbital configuration is represented as follows:

Q: Explain how the presence or absence ofmultiple bonding relates to bond length,bond energy, and…

A: Bond length can be defined as the average distance between the two nuclei of the connected atoms.…

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

A:

Q: Which of the following is the best measure of the total bond energy of a molecule? O gastronomy O…

A: Enthalpy is the best measure of total bond energy of a molecule.      Bonds are not static picture.…

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

A:

Q: For single bonds between similar types of atoms, how doesthe strength of the bond relate to the…

A: The force of attraction that binds the atoms together in a molecule is called as chemical bond. The…

Q: Determine the formal charge of the element SO32-

A: The actual charge on an atom when the electrons are shared equally in between the atoms forming them…

Q: From their Lewis structures, determine the number of sand p bonds in each of the following molecules…

A: Applying concept of lewis structure and single has only sigma bond , double bond has one sigma one…

Q: Describe and justify the Pauling and M ul liken electronegativity scales

A: Pauling and Mulliken electronegativity scales : Both Mulliken and Pauling electronegativity is a…

Q: Consider the reaction 2 S(g) + 3 O2(g) → 2 SO3(g). Using the standard enthalpies of formation listed…

A: Here we have to determine the average bond energy of S=O from the given thermodynamic data using the…

Q: Based on Kapustinskii equation, calculate the lattice energy of AICI3. Given that: W =1.079 x 105…

A: Given: W of AlCl3 = 1.079 X 105 KJ.pm/mol. rAl3+ = 68 pm And rCl- = 167 pm

Q: What is the bond enthalpy for HF?

A: Given : reactions and their enthalpy change.

Q: Use bond energies to predict AH for the following reaction: 2NF3 (9) + 3H2(9) → N2(9) + 6HF(9)

A: The bond energy as derived from standard sources is as follows:-  NF3 = 277.3992 Kj/mol H2 = 436…

Q: which of the following molecules has a net dipole moment? consider any molecule with resonance…

A:

Q: Which of the following chemical bonds is (are) considered to be polar? I.N-O II. Na'F III. C-H…

A: Note: Since you have asked multiple questions, we will solve the first for you. If you want any…

Q: bond enthalpy fc

A:

Q: In which of the following pairs, the diatomic species have the bonds of the same multiplicity…

A: 2) The compounds given are F2 and N2  Since the number of valence electron in F is 7. Hence in F2…

Q: The nitrogen-nitrogen bond lengths in N2H2, N2F2, and N2 are 1.45, 1.25, and 1.10 respectively. How…

A: According to Bent's rule: In a molecule, a central atom bonded to multiple groups will hybridise so…

Q: Explain the concept of Bond Length and Bond Strength ?

A: Bond length is the distance between the nuclei of the two chemically bonded atoms.  It is equal to…

Q: What are the basic principles of resonance theory ?

A: In certain molecules, a single lewis structure can not explain all the properties of molecules. The…

Q: Use the molar bond enthalpy data in the table to estimate the value of Δ?∘rxn for the equation…

A: Change I'm enthalpy of reaction calculated by using molar bond energy of each species.

Q: Without consulting tables of data, predict which species has the greater bond length, H+2 or H2.

A: The given molecules are – H2+ and H2

Q: If we assume that all the elements are period 3 or greater, what would be the ratio of bond pairs to…

A:

Q: Consider the reaction 2 S(g) + 3 O2(g) → 2 SO3(g). Using standard enthalpies of formation and the…

A: Given reaction is, 2 S   +   3 O2  ----->  2 SO3 Now, given that the bond energy of molecular…

Q: How many electron groups does the central atom of CH,O have according to VSEPR theory?

A: Given molecule,    CH2O - Formaldehyde

Q: What is the significance of conservation of bond type and number in energy calculations?

A: Bond energy is a measure of a chemical bond ‘s strength. It tells how likely a pair of atoms is to…

Q: Every line representing a bond represents electron(s). О 1 O 2 O 3 O 4

A: Given    Every  Line between Two atom represents a bond .

Q: Two different molecules have the formula XeF2Cl2. Write Lewis structures for these two compounds,…

A:

Q: According to VSEPR theory, the I–I–I bond in I, is expected to be O 120° 109.5° O 270° O 90° 180°

A:

Q: Which of these molecules have octet and which are exceptions, include the type of exception, if…

A: Octet Rule: this rule states that if an atom or molecule is stable only when it have 8 electrons.…

Q: Explain Bond Dissociation Energy ?

A: Given: Bond dissociation energy.

Q: Bond Energy -436 Bond Leng th 74 pm Internuclear distance 17 of 12 Now let us turn to a specific…

A: This is the energy diagram of when two H atoms are moving close to form hydrogen molecule.

Q: Discuss the changes in bond enthalpy and relative bond length for the following species:…

A: Bond length is defined as the distance of separation between the centers of two covalently bonded…

Q: Place the species B2+, B2, and B2- in prder of increasing bond length and increasing bond energy.

A:

Q: what is the octet rule, its significace and its exceptions

A: Step : 1           what is the octet rule, its significance and its exceptions.

Q: Match lattice energies with following substances: 608, 1030, 2027, 3795, 5278,7492 CsBr, BaCl2,…

A: Lattice energy is the amount of required energy for separating one mole solid ionic compound to…

Q: Describe and justify the Pauling and Mulliken electronegativity scales.

A:

Q: Using the VSEPR model, the electron pair arrangement around the central atom in SF2 is ________

A: The bond angles depend on the number of lone electron pairs. For example, boron trichloride has no…

Q: 58Ce, 59Pr, and 60Nd compare and interpret the Allred-Rochow electronegativity values of each atom.

A: Allred-Rochow Electronegativity : The Allred-Rochow interpretation of electronegativity rests…

Q: Consider the molecule PS3-1. how many effective pairs are around the central atom?

A:

Q: The major industrial source of hydrogen gas is by the follow- ing reaction: CH,(g) + H,O(g) → CO(g)…

A: To calculate the value of ∆E (Energy change) we would use value la of bond energies . For this, we…

Q: The compound oxygen difluoride is quite reactive, giving oxygen and HF when treated with water: OF…

A: Data required,∆Erxn=-318kJBond energy of O-H=467kJ/molBond energy of O=O=495kJ/molBond energy of…

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.