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Q: Which of the four species can act only as Brønsted-Lowry acids? Check all that apply. Part 4 of 5 H…

A: According to Bronsted-Lowry theory Bronsted acids are acid which can donate hydrogen ion. Whereas,…

Q: please help!! Following the strong reaction, only conjugate base ion remains, with a concentration…

A:

Q: Explain and show work step by step: 1. A mixture of Al2O3(s) and CuO(s) weighing  18.371 mg was…

A: Data

Q: Sulfur dioxide and oxygen react to form sulfur trioxide during one of the key steps in sulfuric acid…

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Q: Determine the % population in J=4 for HCl at 300 K. Brot = 10.595 cm-1, vvib = 2886 cm-1

A: Rotational quantum number is a value ranging from J=0 to J=∞.  Which helps to determine the…

Q: initial activity of C-14 is 14.2 disintegrations/min/g 2.97 disintegrations/min/g mammoth live? of…

A: Answer: Radioactive decay is a first order reaction, therefore integrated rate law for first order…

Q: 1. How many unpaired electrons are in the neon atom? A. Paramagnetic B. Diamagnetic This atom is 2.…

A: -> Paramagnetic species have unpaired electrons . -> Diamagnetic species have all paired…

Q: Phosphorus-30, which has a half-life of 150 seconds, decays by positron emission. How long will it…

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Q: In ___ molecules, dispersion forces are the most important intermolecular force. Dispersion forces…

A: Dispersion forces are the weak London forces which are present in all molecules. However these…

Q: DQuestion 18 What is the molecular geometry in the following structure for the atom label #2? linear…

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Q: A. Draw the structure of this amino acid in a solution of NaOH (aq) B. Draw the structure of this…

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Q: НО S 0=5=0

A: The question is based on the concept of organic synthesis.    we need to synthesize the product…

Q: Given the reaction 2 A(g) + B(g) ↔ C (g), describe the impact (forward reaction favored/reverse…

A: According to Le Chatelier principleif a system is in equilibrium is subjected to change of…

Q: What is the theoretical basis for the trend in ionization energy across a period of the periodic…

A: This answer explains the theoretical basis for the trend in ionization energy across a period of the…

Q: The concentration of a reactant is measured at two time points as a reaction proceeds. At the first…

A: The initial concentration of reactant = 0.5 M After 20 seconds, the concentration of reactant…

Q: which of the following is a correct acid-base conjugate pair   a) HNO3, NO3-   b) HClO4 , ClO-…

A: When any acidic species undergoes the process of donation of its proton, the formation of conjugate…

Q: 17.45. Calculate the E the reaction cell value at 25°C for the cell based on Fe³+ (aq) + Cr2+ (aq) →…

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Q: You may have drawn an incorrect resonance structure OR a minor resonance contributor. Remember, in a…

A: If the Lewis structure of a molecule or ion cannot explain by a single structure then more than one…

Q: Structure OH N(CH3)2 ¹H NMR Assignment Chemical Shift (ppm) Integration Splitting

A: 1H-NMR spectroscopy is mainly used for the identification of the structure of the unknown compound.…

Q: equilibrium constant Suppose a 500. mL flask is filled with 1.0 mol of CO, 2.0 mol of CO₂ and 1.7…

A: Volume of flask = 500 mL

Q: Perform the synthesis below. Upload Choose a File HN HN

A: The synthesis scheme is shown below We have to carry out the above synthesis.

Q: Three flasks at 25°C are connected to each other, separated only by a three-way stopcock. • Flask 1…

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

Q: +2? How many electrons are needed to reduce MnO2 to Mn O A. 0 OB. 1 OC. 2 OD. 4

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Q: Rank the following in order of increasing acidity. (1 = least acidic ... 4 = most acidic)

A: Acidity is defined as tendency of atom to release hydrogen ions when dissolved in water. In the…

Q: pentanone with n-butylamine with the molecule below with a catalytic amount of acid: 성 NH2 +

A: Carbonyl compounds shows nucleophilic addition reactions due to presence of C=O group.

Q: In the context of molecular orbital theory, explain the difference between the relative stability of…

A: The molecular orbital theory (MO theory) helps explain the difference in stability between cyclic…

Q: Answer all questions with detailed answers on paper. a) Hydrogen gas burns in air to form water.…

A: a) Hydrogen gas burns in air to form water. 2 H2(g) + O2(g) → 2 H2O(l) ΔН = -527 kJ The heat energy…

Q: c) For each of the compounds i) to iii) below, identify and draw as many structural isomers as you…

A: To draw the structural isomers of the given compounds:  (i) Br2C=CH2 (ii) CH3CH2CH2CHO (iii)…

Q: When AgBr (s) dissolves in water the solubility of silver ions at equilibrium is 1.5 x10-4 M. What…

A: AgBr ----> Ag+ + Br- [Ag+] = 1.5 x 10-4 M

Q: Compound Z is an aldopentose. If Z is oxidized with nitric acid the product is optically active. If…

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Q: Homework 8 1. Calculate, in the standard state: (1) What is the average translational kinetic energy…

A: Note: We are authorized to answer one question at a time, since you have not mentioned which…

Q: As you dissolve salt in water, what change would you expect to occur? A B C D The entropy of the…

A: Dissolving salt in water is a common process that has important applications in many fields,…

Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which two substances…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: What is the concentration of Mn2+ in a solution with an analytical MnY2- concentration of 0.025 M at…

A: The question is based on the concept of complexometric titrations. we need to calculate…

Q: Following the strong reaction, only conjugate base ion remains, with a concentration of 0.4 M. The…

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Q: Which of the following compounds has the most acidic hydrogen? NO₂ OH b. O C. OH d. O H NO₂

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

Q: Ethylene (CH₂CH₂) is the starting point for a wide array of industrial chemical syntheses. For…

A: Pressure if ethane gas initially = 16.0 atm Kp = 10

Q: Which element in the 2nd period would have the largest difference in energy between its 4th and 5th…

A: we have to select the element for which difference in 4th and 5th ionization energy is very large

Q: A cube of ice at 0°C with a mass of 150 g has been left until it turns into water at 0°C. Then, it…

A: Answer:- This question is answered by using the simple concept of calculation of total heat needed…

Q: If we start with 10g of ice at -5°C and heat it until we have liquid water at 45°C, how much heat…

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Q: A 0.0800 M solution of a monoprotic acid is 14.5 percent ionized. Calculate the ionization constant…

A: Monoprotic acid concentration = 0.0800 M %ionisation = 14.5 %

Q: Viscometer is used to measure the viscosity of a series of dilute solutions of a polymer in toluene…

A: To find out the viscosity molecular weight for the polymer by using the following data.  Given that…

Q: Two possible cubic crystal structures are shown in figure 3. Part (a) shows the fcc structure, in…

A: In solid state chemistry, We study about the structure, properties ,and many more information.

Q: Show arrows, mechanism and product of TiCl4 + CH3-O-CH3

A: Lewis acid is a substance that accepts an electron pair from another substance is considered as…

Q: What is the significance of the Aufbau principle in understanding the electronic configurations of…

A: The Aufbau principle is a fundamental concept in chemistry that explains the order in which…

Q: Automobile air bags use the decomposition of sodium azide as their source of gas for rapid…

A: Molar mass of NaN3 = 65.02 g/mol Volume of N2 (V) = 40.0 L Temperature (T) = 25.0°C = 25.0 + 273 =…

Q: A reaction vessel contains NH3, N₂, and H₂ at equilibrium at a certain temperature. The equilibrium…

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

Q: If reaction A has an activation energy of 250 kJ/mol and reaction B has an activation energy of 100…

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Q: 6. Which of these reactions will proceed spontaneously? 2+ 2+ a. Zn(s) + Cu²+ (aq) → Zn²+ (aq) +…

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Q: 12.00 mL of lemon juice containing citric acid is placed into an Erlenmeyer flask to which 2 drops…

A: Given data