For C₂ molecule: a) b) c) d) e) Construct a MO diagram. State the HOMO and LUMO. Calculate the bond order. Write the electronic configuration. Determine the magnetic property.

Q: C₂H3O2/HC₂H3O2 H₂SO3/HSO, NH/NH3 H₂O+/OH- All of the above are conjugate acid-base pairs. рап

A: Answer: Acid is a compound that can donate H+ ion in the solution and specie that forms after the…

Q: An analytical chemist is titrating 147.5 mL of a 0.9200 M solution of formic acid (H₂CO₂) with a…

A: It is given the solutions are, 147.5 ml of 0.9200M formic acid  0.470 M KOH And the pKa of formic…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: Given - Percent of HCl (by mass) = 36.0% Density of solution = 1.18 g/mL

Q: 1. Write balanced net ionic equations for the reactions that occur in each of the following cases.…

A: 1.spectator ions are those  ion which  represent in    both reactant and product side in net ionic…

Q: What is the concentration of H* in 0.042 M HCIO4? [H+] = i What is the pH of the solution? pH = i M…

A: Given: Concentration of HClO4 acid = 0.042 M

Q: Calculate AH for the reaction NO(g) + O(g) →→→→NO₂(g) given the following information: D NO(g) +…

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Q: Which element would have the least favorable favorable (least negative) electron affinity?  S, Si,…

A: Given : 1) elements Tip : electron affinity increases left to right and decreases top to bottom on…

Q: During an endothermic chemical reaction, a system becomes [Select] [Select] in potential energy. and…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: 1. Write the electron configurations, both long (long) and Noble gas (NG), and orbital diagrams (OD)…

A: We need to write the electronic configuration of Be2+, Al, As3- and Fe.  The long and Noble gas…

Q: A chemist fills a reaction vessel with 3.33 atm chlorine (C1₂) gas, 9.77 atm phosphorus (P4 gas, and…

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Q: а- Ь- с- НО d- CRO Е HO сно OH он оч -OM N.H₂O HO он OH OH UND, NACN, HCI э 2) Pd, BaSO4 На 1 H30*…

A: HNO3 is strong oxidizing agent it can oxidizes to aldehydes and primary alcohols to carboxylic acid.

Q: A ¹H NMR spectrum is shown for a molecule with the molecular formula of C9H10O2. Draw the structure…

A: The chemical formula of the unknown is C9H10O2  Degree of unsaturation(DU) = C-H2+1where C = number…

Q: Draw the electron pushing mechanism

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Q: What reaction scheme would have - and electrophillic addition - the use of NaBH4 or LiAlH4 - a…

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Q: What is symbol

A: This is a general question that we need to define a symbol.

Q: Circle the larger one of each pair or grouping below: O or 0²- Cr2+ or Cr3+ Ge, Br, Ca, or Ga Sr,…

A: O or O2-  --> O2- is bigger Cr2+ or Cr3+ --> Cr2+ is bigger  Ge,Br,Ca or Ga --> Ca is…

Q: What is the mass of 3.80 moles of waterThe atomic mass of Hydrogen is 1.00 amu and that of Oxygen is…

A: First we need to calculate mass of 1 mole of water using the given atomic mass units.  Then we can…

Q: Classify each of the following N₂ FeCl3 as ionic (I), nonpolar (N), or polar (P): CF4 SO4²- ▬▬

A: Since, If net change in dipole moment is non-zero then molecule is polar otherwise non-polar. Ionic…

Q: Two sucrose solutions, 125 mL of 1.50 M C12H22O11 and 275 mL of 1.25 M C12H22O11, are mixed.…

A: Given: Molarity of first sucrose solution (M1) = 1.50 M Volume of first sucrose solution (V1) = 125…

Q: I'm just wondering why the wittig reagent doesnt seem to be involved in the synthesis of this…

A: Wittig reaction for generation of alkenes from the carbonyl compounds with wittig reagent.  Incase…

Q: A particular solution of KCI (74.55 g/mol) at 25.0 oC has a solubility of 0.13 g/mL. Which of the…

A: The correct answer is 1.71 M KCl. Solubility of the solution is given in g/mL, from which the…

Q: Place the steps in order from first to last for confirming the presence of mercury(I) ions in a…

A: The qualitative analysis of cations is based on the precipitation of the inorganic cations with…

Q: I -н -н I н. I ОН ОН ОН CH₂OH I I CH₂OH :0 Но НО CH₂OH

A: This conversion occurs in presence of acid catalyst (H3O+) or base catalyst (OH-/H2O). This…

Q: A chemist carefully measures the amount of heat nee experiment shows that 205. J of heat are needed.…

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Q: What would be the expected molecular geometry of SbTs3? fyi-This a hypothetical molecule made from…

A: Here we are required to find the molecular geometry of SbTs3

Q: Draw the structure of a chiral compound of formula C7H15Cl and R configuration that reacts in…

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Q: Sulfur dioxide is a colorless gas with a strong odor that is produced when fuels containing sulfur…

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Q: An open system cannot allow the transfer of thermal energy, but can allow the transfer of mass. O…

A: Open System: system where mass and energy can be exchanged between system and surrounding...

Q: 7. Determine the molarity of perchloric acid used to titrate 0.87 M solution of aluminum hydroxide.…

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Q: Check the box under each molecule in the table below that is an isomer of this molecule: If there…

A: Given : structure of molecules Tip : molecules having same molecular formula are isomers

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Answer: A reaction can be spontaneous when value of Gibbs free energy change ∆G is negative or less…

Q: НО. ОН ОН О (b) ОН ОН (a) Н. ОН ОН ОН ОН o-| I -ОН

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Q: Clinical studies reveal that diabetic patients who are non-dependent on insulin have improved…

A: We can use the mole ratio from the given balanced equation to calculate the required answers.

Q: How come only iodine will serve as the reference for the reaction rates in determining the reaction…

A: To explain: 1. Only Iodine will serve as the reference for the reaction rates in determining the…

Q: 3. What is the IUPAC name for a,b,c and the common name of c? CH2-CH3 CH3 CH3-CH2-CH-CH2-CH-CH3…

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Q: 6. How many grams of Al2S3 contain 1.867 x 1020 sulfur atoms?

A: Since, Moles is the ratio of mass to the molar mass of that atom or molecules. Also, Number of atoms…

Q: Write the Molar Mass?

A: Given : name of compounds Tip : first draw structure then find molar mass

Q: What is the purpose that in the reactions of carboxylic acids with alcohol they have an excess of…

A: Answer: Reaction of carboxylic acid with alcohol is called as esterification reaction because this…

Q: A chemical reaction took place in a 5 liter cylindrical enclosure fitted with a piston (like the…

A: A chemical reaction took place in a 5L cylindrical enclosure fitted with a piston.  Means capacity…

Q: A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.73 nm. It then…

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Q: Which of the following substances is least soluble in water? A) HOCH2CH2OH B) HOCH2CH(OH)CH2OH C)…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound.

Q: What quantity in moles of precipitate will be formed when 176.0 mL of 0.200 M NaBr is reacted with…

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Q: Complete the MO diagram (below) to determine if BO is paramagnetic or diamagnetic. .%₂ ____ Ap d₂ %…

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Q: TEST I. Analyze and outline the steps necessary to determine the information requested in each of…

A: A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down…

Q: Identify the products formed in this Brønsted-Lowry reaction. HSO + Facid + base acid: HS base: PO

A: According to Bronsted Lowry acid-base concept, an acid is a substance which can donate hydrogen ion…

Q: A piece of plastic at 159 °C was put in a beaker with 132.6 g ethanol at 22.2 °C. The temperature of…

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Q: A solution contains 1.10x10-2 M calcium acetate and 1.42×10-2 M barium nitrate. Solid potassium…

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Q: Draw a Lewis structure for PF5. What is the smallest F–P–F (ideal) bond angle in the structure?

A: Since, For determination of lewis structure, first determine the shape of the molecule using VSEPR…

Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

A: Given : structure of reactant Tip : in SN2 reaction inversion product formed.

Q: It is found that the boiling point of a binary solution of A and B with XA = 0.6589 is 88 °C. At…

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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.