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

Q: List the valence electrons, e.g. 2s2, 2p3, for the following compounds  a.…

A: The electrons in an atom's outer shell are known as valence electrons (VE). The valence electrons…

Q: Determine the formal charge of each element in the following: (a) H3O+ (b) SO42−SO42− (c) NH3…

A: Formula of calculating Formal charge = number of valence electrons in neutral atom - 1/2( number of…

Q: Draw lewis structure for SO4 2-. Whether they obey the octet rule and if any coordinate convalent…

A: Both S and O has six electrons in their valance shell. But among S and O, S has lower…

Q: Draw Lewis structures for the following species: Br2Se, NCCN, GeO4 4- , HO2 - , NBr4 + .

A:

Q: Draw the Lewis structures of (a) boron triiodide (BI3), (b) arsenic pentafluoride (AsF5), and (c)…

A: Draw the Lewis structures of the following compounds, (a) boron triiodide (BI3), (b) arsenic…

Q: Which of the following obeys the octet rule? SO2 BF3 O C102 O IF3

A: Given options are : a). SO2 b). BF3  c). ClO2 d). IF3  Which of the following obeys the octet rule =…

Q: snipp

A: To find: The increasing order of bond length f the given sets

Q: Determine the number of valence electrons in carbonate (CO3²") and then draw the corresponding Lewis…

A:

Q: Classify the following bonds as ionic, polar covalent, or covalent, and give your reasons: (a) the…

A:

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: Draw the Lewis structures of the following compounds: A. CCl2F2 B. O2 C. PF3

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for…

Q: For the O2+ ion predict (a) number of unpaired electrons, (b) bond order, (c) bond enthalpy and bond…

A: The given ion is an O2+ ion.

Q: (A) Write the chemical names for the following chemical compounds. a) Table sugar b) Dry ice c) (B)…

A: Given information, (A) Chemical names                 (B) Bond formation by Lewis diagram

Q: Which of the following does have resonance structures? Z of H =1, C = 6, N = 7, Cl = 17, S =16, P =…

A: In the given all compounds PF3 can't show resonance because all bonds are single bonds there is need…

Q: How many lone-pair electrons are on the central atom of xenon tetrachloride (XeCla)? O 10 8. 4-

A: We have to calculate the lone pair electron on Xe.

Q: What does this tell you about the bonding in the two substances

A: 1) The two structure of N2O can be NNO and NON In upper one structure, more electronegative O atom…

Q: bond polarity hi.png bond polarity hbr.png bond polarity hf.png bond polarity hcl.png

A: The polarity of the bonds depends on the electronegativity factor of an atom in the molecule. The…

Q: Draw the Lewis electron dot structures of the following chemical species. In each case you must say…

A: Given structure

Q: Why are there no Pauling electronegativity values for He or Ne?

A: The ability of an atom to pull electron or electron density towards itself is called…

Q: Determine the number of valence electrons in CH,CI, and then draw the corresponding Lewis structure.…

A: Lewis structure is the representation of valence electrons arrangements around central atoms.

Q: Chemical species are said to be isoelectronic if they have the same Lewis structure (regardless of…

A: Chemical species are said to be isoelectronic if they have the same Lewis structure (regardless of…

Q: Draw Lewis dot structures for the following chemical formulas. 1) Fe2S3 2) CaH2 3) AlF3

A: Lewis dot structure is a vesual representation of covalent bonding that indicates where the valence…

Q: Draw the Lewis structure for SO₂ (by following the octet rule on all atoms) and then determine the…

A: The term octet rule refers to a chemical rule of thumb which is used to reflect the observation that…

Q: Determine the number of valence electrons in nitrate (NO,) and then draw the corresponding Lewis…

A:

Q: Using only single bonds, draw two correct Lewis structures of HCIO, one with Cl as the central atom…

A: Lewis dot structure of HClO

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: Which member in each set is expected to have the highest property. a. bond length               N2,…

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

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: Determine the number of valence electrons in PCI, and then draw the corresponding Lewis structure.…

A: INTRODUCTION: Valence electrons is defined as the electrons present in outermost shell. Lewis…

Q: Which of the following have their valence electrons in the same shell? O Rb, Sb, I O Cu, Ag, Au O B,…

A: In periodic table elements present in same Period. Horizontal rows in the periodic table are called…

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: 29. In the Lewis structure of the chlorate ion, CIO;", how many lone pairs of electrons does the…

A:

Q: Hydrogen cyanide (and organic nitriles, which contain the cyano group) can be catalytically reduced…

A:

Q: Using bond energies, estimate delta H for the reaction (show diagrams and formula). N2(g)+ 3H2(g)=…

A: The enthalpy change of a reaction is furnished as the difference between the bond energy of the…

Q: Write Lewis structures for the following molecules or ions:(a) SbH3(b) XeF2(c) Se8 (a cyclic…

A: Lewis electron dot diagram represents the valence electrons in the given species as dots. In…

Q: Draw Lewis structures for the following molecules and ion.  (c) H2O2   (a) NCl3 (b) OCS (d)…

A: Lewis dot Structure is a very simplified representation of the valence shell electrons in a…

Q: How many electron dots would the Lewis symbol for P3+ contain around the symbol of phosphorus? a) 1…

A: Arrangement of valance shell electron around every individual atom present in the molecule is…

Q: In PCIS, the Patom violates the octet rule by sharing 5 electrons. This is because the valence she…

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: Predict whether the bonds in the following species are ionic or covalent. a. CO b. CaF 2 c. MgO d.…

A: I am instructed to answer only 3 so please do repost for the rest.

Q: Write Lewis structures for:(a) PO43−(b) ICl4−(c) SO32−(d) HONO

A: A Lewis structure is a diagrammatic representation of chemical compounds or ions which explains the…

Q: How many valence electrons does ns^2 np^4 have

A:

Q: Which of the following pairs of elements would likely form an ionic bond? OA Na and F D B. Mg and Cu…

A: Na and F will form an ionic bond between them.

Q: 9. Acetylene gas (C2H2) is used in welding. Use bond dissociation energies to determine the AErxn,…

A:

Q: What is the total number of valence electrons in CH2F2? A. 12 B. 16 C. 20 D. 24 E. 30

A: Valence electron is an outer shell electron that is associated with an atom, and that can…

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…