Which of the following represents the HOMO in carbon monoxide (CO)? Why is the answer sigma star (antibonding)? I thought the HOMO was the highest occupied electron orbital, so why would the 2p pi level be wrong?

Q: what is acid-base equilibrium or electrochemistry? explain it using an illustration.

A: Acids and bases have a chemical equilibrium in solution. At chemical equilibrium, the products and…

Q: Consider the following equilibrium: 2H2(g) + X2(g) =2H2X(g) + energy Increasing the temperature will…

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Q: Calculate the equilibrium concentrations of the following in a 0.100 M oxalic acid, (COOH)2…

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Q: Complete the table shown to the right for the​ half-life of a certain radioactive substance. ​…

A: Here we are required to find the decay constant for the given radioactive substance

Q: uoride (NaF) m ascorbate (NH4OC6H;O5) cid (C6H5COOH) ydroxide (NaOH) n nitrate (KNO3) V

A: As we know,  Acidic solution has pH less than 7 Bases has pH greater than 7 .while neutral solution…

Q: Which substance is reduced in the following reaction? NaOH + Li --> LiOH + Na   Choose the right…

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Q: Analyze the "C NMR spectrum for the CHi„CI compound shown below and determine a structure. Assign…

A: The C-13 NMR spectra can be taken in two ways-  1- proton coupled mode 2- proton decoupled mode

Q: 1.Provide information regarding directing ability and strength of all substituents. 2What is the…

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Q: 15.) Which of the following systems has the greatest change in internal energy? A.) A mixing of two…

A: The internal energy of the system is the sum of all types of energy of the system. During the change…

Q: Consider these two reactions: Reaction 1: 20F2(g) O2(g) + 2 F2(g) ΔΗ-49.4 k Reaction 2: N2(8) +…

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Q: 8.) A container holds 15 L of 3.00 mol of diatomic gas at a pressure of 8 atm and 298 K. If the gas…

A: 8) Given that, for an adiabatic reversible expansion process, The initial volume is V1 = 15 L, The…

Q: 10.) The heat of formation of H2SO4 (aq) is -909.27 kl/mol. Which of the following is the…

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Q: A 2.35 g sample of an unknown gas at 51 °C and 1.05 atm is stored in a 1.35 L flask. What is the…

A: Given, mass of a unknown gas sample (m) = 2.35 g Temperature (T) = 51°C = (51 + 273.15) K = 324.15 K…

Q: Give the IUPAC name for the 2 compounds

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Iron (III) oxide and metallic aluminum produce iron and aluminum oxide in a few seconds. Find AH for…

A: Hess's law of constant heat summation states that, the chanhge in enthalpy in any chemical reaction…

Q: b) Use curved arrow formalism to draw the mechanism of the reaction shown in a). product(s) Brz…

A: ->First of all alkene reacts with Br2 and cyclobromonium ion is formed because there is present…

Q: Predict the changes in volume of a helium-filled balloon at different temperatures. When you took…

A: Given Number of miles (n) = 0.200 moles Pressure (P) = 1.00 atm Temperature (T) = 0.00

Q: The process by which sweat is used to cool the body is endothermic.   True  False

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Q: Which term is used to describe the amount of energy required to raise the temperature of 1g of a…

A: Given :- The amount of energy required to raise the temperature of 1 g of a substance by 1 degree…

Q: If 1.58 g Ar are added to 3.61 atm He in a 2.00 L cylinder at 27.0 °C, what is the total pressure of…

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Q: 7-methyl-3-methylideneocta-1,6-diene Which kinds of transition could you expect from the given…

A: Given compound: 7-methyl-3-methylideneocta-1,6-diene The structure is:

Q: Which statement is true concerning the buffer system below? HA(aq) + H2O0 2 H;O* (aq) + A (ba) (be)…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: e limiting reactant?

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Q: Calculate the percent yield of (4-chlorophenyl)bis(4-methoxyphenyl)methanol if the actual isolated m…

A: Solution - A Grignard reagent is an organomagnesium halide having a formula of RMgX, where X is a…

Q: Under normal room conditions (standard pressure at about 20°C), water will not boil, so we do not…

A: Recall the reaction, H2O(l) + 40.7 KJ ----> H2O(g)

Q: ) Explain what is meant by the Belt of Stability. Provide a few details. Is carbon-14 inside or…

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Q: Consider the chlorination (Cl2, hν) of optically active (2R,3R)-2-chloro-3-methylpentane. If the…

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Q: -Identify the configuration of the double bond.  -Redraw the structure and identify the chiral…

A: ->If the most preferential group attached on double bonded carbon are on same side then it has Z…

Q: The bending vibration of CO2 has a frequency of 1.95 x 1013 s-1. Calculate the vibrational…

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Q: 100.0 grams of sodium sulfate reacts with 50.00 grams of barium nitrate. e) How much excess reactant…

A: Here 100 g of Na2SO4 reacts with 50 g of Ba(NO3)2 . We have to determine mass of excess reactant…

Q: Solve for the pH of a 0.22 M AlCl3 (aq) solution. Ka of Al3+ is 1.2 × 10–5.

A: When we make aqueous solution of AlCl3 this undergo cationic hydrolysis and form hydrated aluminum…

Q: need help solving for the ICE table. I have put out the givens at the bottom of the paper. So please…

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Q: QUESTION 25 237 Np decays to 209Bi. How many beta decays are involved in this decay series? O a. 2…

A: Calculate number of beta decay involved for the given process ---

Q: 3. The molecules below both inhibit proline racemase. Explain why these molecules would be potent…

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Q: What is the difference between an ascending and descending paper chromatography?

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Q: In a redox reaction, the species reduced    Choose the right answer from the following choices…

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Q: For items 1-4, consider the isothermal expansion of a 1.5 mole of monoatomic gas gas from a pressure…

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Q: 4. Determine the molecular formula of the compound with an empirical formula of CH and a formula…

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Q: 20.) Industrial production of methanol uses a synthesis gas which is a mixture of carbon monoxide…

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Q: In which substance does hydrogen have an oxidation number of zero?    Choose the right answer from…

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Q: Use the rate data shown in the table below to answer these questions. For this reaction, A(g) + B(g)…

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Q: Draw the following compounds: 3-butyloct-2-ene 5,6-diethylnon-3-yne

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Q: 3. Fill the boxes with the missing reactants, reagents, or the major product(s) expected from each…

A: Detail mechanistic pathway is given below to find out the correct product as well as missing reagent

Q: 4. Using the Lewis dot structure, predict the molecular geometry of the following and state the…

A: Hybridization,  bond angle and geometry of molecule is depend on number of bonding pair of electrons…

Q: QUESTION 21 Consider the solubility of BaSO 4. If Ba(NO 3) 2 is added to the solution, the…

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Q: Natron is the name of a mixture of salts used by the Egyptians to dehydrate corpses before…

A: Dear student as you have asked multiple questions but according to guidelines we will solve first…

Q: NABH CH,OH b) 1. Hg(OAc)2, H;0 2. NaBHa H;O, H

A: Regioselectivity is the uni directional reaction.

Q: Which solution will have the lowest freezing point? Which solution will have the lowest boiling…

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Q: The Ksp of iron (III) hydroxide is 8. 65 x 10 20. What is the molar solubility of iron (III)…

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Q: Kai wants to create 0.250 L of 0.200 M potassium permanganate solution. What mass of potassium…

A: Given, Chemical formula of potassium permanganate - KMnO₄ Molarity of potassium permanganate…