What phenomenon enables outer-sphere redox reactions to occur? Group of answer choices relaxation of electrons from higher-energy orbitals to lower ones quantum tunneling of electrons absorption of infrared radiation excitation of electrons from one

Q: Calculate the equilibrium constant for the reaction:   NO2 (g)  +  NO (g)     N2O (g)  +  O2  (g)

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Q: What is the the electron pair geometry for S in SF4 and what is the shape (molecular geometry) of…

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Q: Light of frequency 9.62 x 1014 Hz (312 nm) strikes a surface of calcium (Wo = 2.90 eV). How much…

A: work out the energy of the photon using E=hf convert the work function ( Wo = 2.90 eV) to joules…

Q: which of the following conformation is highest in energy

A: From the given conformation of 2,3-dimethyl butane. to predict which conformed will have more energy…

Q: . The decomposition by the equation of PCBS can be represented 2 C1₂ Hy Cl + 23 0₂ + 2 H₂O → 24 C02₂…

A: We can calculate amount of HCl by using unitary method as follows

Q: How many grams of H 2 are needed to reduce 9.77 moles of CuO in the reaction CuO + H₂ -> Cu + H₂O

A: Given moles of CuO = 9.77 moles  Molar mass of H2 = 2.016 g/mol  The given balanced  reaction is :…

Q: While under constant pressure, the temperature of 814 mL of a gas is changed from 270 °C to -19 °C.…

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Q: 1. The decomposition of PCBs can be represented by the equation 2 C12 Hy Cl + 23 O₂ + 2H₂0-24 CO₂ +…

A: 2 C12 H4Cl6 + 23 O2  + 2 H2O ==> 24 CO2 + 12 HCl  Given moles of O2 = 10.0 moles  In the given…

Q: The van der Waals constants a and b are 5.489 L2 atm mole-1 and 0.0638 L mole-1 for C2H6. (a)…

A: Given, Vander Waals constant ,  a=5.489L2 atmmol2b=0.0638Lmol

Q: 8. a) Circle which of the following is(are) a likely intermediate(s) in the mechanism for the given…

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Q: precute Identify whether the sign of AH is positive or negative for each of the following. Explain.…

A: Enthalpy change ( ΔH) is defined as the amount of heat evolved or absorbed in a reaction. A negative…

Q: 10. Which one of the following 3 buffer systems is best suited for keeping pH at 7 (-logKa = pka)?…

A: Answer:- This question is answered by using the simple concept of buffer solution which resist the…

Q: A student collected 66.2 mL of hydrogen gas at 22 degrees Celsius.  If the pressure of "dry"…

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Q: Fill in the orbital energy diagram for potassium. 4s E 3s- 2s 1s- AV 3p 2p 3d AV AV The lowest E…

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Q: Which of the reagents listed below would efficiently accomplish the transformation of…

A: We would check the nature of reagents and their reactions to determine the correct reagent for given…

Q: A 0.617 mol sample of Ar(g), initially at 298 K and 1.00 atm, is held at constant pressure while…

A: Given that the heat is supplied at constant pressure. The heat supplied to the system at constant…

Q: 8 Two Steps Label step 2 only OH

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Q: What would be the product, D, of the following reaction sequence? OH PB13 A I Li IV ether B Cul C…

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Q: Indicar los productos (y su estereoquímica) y el tipo de mecanismo (razonado). (CH3)3CO K+ (CH3)3COH…

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Q: (d) The element from the first 10 elements that would be most similar in properties to the element…

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Q: When 2-methylpentan-2-ol is reacted with excess oxidizing agent, the major compound found in the…

A: -> primary alcohol can be oxidized to carboxylic acid. -> secondary alcohol can be oxidized to…

Q: 1) Draw one Lewis structure for each of the following molecules. 2) Determine the molecular shape…

A: For the molecules  NCl3 COCl2  we have to draw Lewis structure and determine the molecular shape…

Q: It is known that vitamin C decomposes upon the exposure to air or heating. Briefly describe how you…

A: Answer:-

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. If the molecule or polyatomic…

A: •Polar molecules :  i) have polar bond.  ii) have asymmetric structure.  •Non - polar molecules :…

Q: V Note that since the In compressing a gas at constant pressure, work is done on the system and the…

A: Given, The gas is compressed under constant pressure. The work done is given by P times ∆V.…

Q: 3. Under what condition will the changes in enthalpy and internal energy be identical?

A: Answer to question no. 3 (as per your request) Enthalpy (∆H) is the heat content of the system…

Q: Classify the following names of compounds as pertaining to an ionic or molecular compound Name of…

A: Ionic bond is formed when metal and non-metals react with each other and metal transfers it's…

Q: A metal cube dissolves in acid such that an edge of the cube decreases by 0.30 ​mm/min. How fast is…

A: Given data is The rate of decrease of edge of a metal cube when it is  dissolved in acid =  0.30…

Q: How many moles of sodium bicarbonate (NaHCO3) are in 1/8 tsp of NaHCO3? Show your work, including…

A: Given that  1/8 tsp NaHCO3 = 0.6 g NaHCO3  We have to calculate how many moles of sodium bicarbonate…

Q: D I 4 →PbI + 2 KNO3 Using 2KI + Pb(NO3)2 How many moles of lead (II) iodide (PbI₂) of potassium 8.0…

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Q: What is the molecular formula of a hydrocarbon that contains 5 carbons, one : ring, and one л bond?

A: 1 pi bond is generally represented by a double bond and the ring is represented by cyclic structure…

Q: In an experiment, 27.5 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

A: we have to determine the specific heat of the metal

Q: 900. K the following reaction has K,-0.345: 2 SO₂(g) + O₂(g) 2 SO3(g) an equilibrium mixture the…

A: Kp is equilibrium constant

Q: 5. You are given 1.56 g of a mixture of KClO3 and KCl. When the mixture is heated the oxygen gas…

A: In the given question we have to calculate the percentage of KClO3 in the mixture,  first of all, we…

Q: At high temperature, carbon dioxide gas decomposes into carbon monoxide and oxygen gas. At…

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Q: 1. A gas has a temperature of 14ºC, and a volume of 4.5 liters.  If the temperature is raised to…

A: • The values provided in the question are:-  i) Initial temperature of a gas, T1 = 14 °C = 287 K…

Q: In an experiment when 50 g of C3H8 is combusted, 35 g of carbon dioxide resulted. What was the…

A: The combustion reaction for C3H8 :  C3H8 + 5 O2 ==> 3CO2 + 4 H2O  Given Mass of propane = 50 g…

Q: The formal charge is the "charge" an element would have in a molecule or ion if all of the bonding…

A: Given that, three inequivalent lewis structures of CO2. (1) We have to determine the formal charges.…

Q: What happens to a nail after soaking it in vinegar in day 1? Day 2? Day 3? Day 4? Day 5?

A: Vinegar is a dilute solution of acetic acid. Vinegar contain 5-8% acetic acid by volume. Usually the…

Q: OH Hint: can be accomplished in 3 steps.

A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…

Q: What mass in grams of lithium sulfate is needed to prepare 425.0 mL of 1.855 molality Li2SO4 aqueous…

A: Answer:- This question is answered by using the simple concept of calculation of mass of solute…

Q: The mass percentage composition of N in Ammonium Nitrate (NH4NO3) is: [hint use the following…

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Q: Consider the electrolysis reactions cathode anode whose standard reduction potentials can be found…

A: According to the reaction, The reaction at the cathode can be written as, Cu2+aq + 2e- → Cus…

Q: Calculate the pH of 1.00 L of the buffer 0.92 M CH3COONa/0.97 M CH3COOH before and after the…

A: This is problem of acidic buffer where there is very little change or effect on adding acid or base.

Q: The 3rd Nitrogen from the left has 3 sigma bonds and a lone pair. Isn't that sp3?

A: For hybridization we check the electron groups. If there are 4 electron group on N ( 3 Sigma bond…

Q: The pH of a saturated solution of a metal hydroxide M(OH)2 is 9.200. Calculate the Ksp for this…

A: Well, we will first calculate the concentration of OH- from the pOH pOH=14-pH and pOH=-log[OH-]…

Q: Using data from the appendix, calculate AS each is spontaneous at 25°C. (a) 2 KCIO4(s)→2 KCIO3(s) +…

A: a) From the question,   2KClO4s→ 2KClO3s + O2g For this reaction, the change in entropy for the…

Q: What volume (in mL) of a 0.125 M HNO3 solution is required to completely react with 25.1 mL of a…

A: We will first determine the millimoles of HNO3 required to react completely with Na2CO3. and then we…

Q: Question 4: Draw the products of each reaction. a. b. CH3 Xo CI [1] LIAIH4 [2] H₂O [1] LIAIH4 [2]…

A: Lithium alluminium hydride (LialH4 ) is a good reducing agent and used for the reduction of esters,…

Q: Based on this portion of an IR spectra is there a ketone that is present?

A: In the given question we have to identify the ketonic group present in the IR spectra,