The chemical shift of signed proton H at 500MHz was 5ppm. Show the coupling pattern using graphical analysis. And what Hz is the frequency? When measured in 300MHZ, what is the change in frequency and couping constant? Explain.

Q: 1.Determine the freezing point of a solution prepared from 58.0g ethylene glycol (C2H6O2), a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: tetrahedral trigonal planar pyramidal bent linear HO H Ö: COH H

A: During the orbital hybridization, the mixing of atomic orbitals takes place to form new orbitals…

Q: Determine the concentration of all species and the pH of the following solutions: H2CO3 0.10 mol/L…

A: Note - Dear student, since the given question is a multiple question, hence I solved first one…

Q: Identify the selected functional groups. Type the name of the functional groups In the boxes HN- CH3…

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Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.0071: Cl₂(g) +…

A: We will solve the problems by rearranging the asked problem in form of the given equilibrium const

Q: reactions

A: Most of the medication that are taken as a pill are taken orally and these medications then goes…

Q: 19. Calculate the number of moles oh hydrogen atoms in 17.4 g of (NH4)2SO4. A. 2.13 mol H atoms B.…

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Q: You have the following data points which belong to a function of the form y = ae, where b can be…

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Q: (4) (5) The emission of a positron from the nucleus converts a proton into a/an (A) Neutron (B)…

A: During nuclear reaction the sum of mass number and sum of atomic number is same on reactant and…

Q: A phenol/phenolate buffer was made up by mixing 0.0125 mol of phenol (C6H5OH) and 0.0135 m of…

A: Given : Moles of phenol = 0.0125 mol Moles of phenolate = 0.0135 mol Volume of buffer = 500 mL = 500…

Q: Draw the product in each reaction described below, including stereochemistry when applicable.

A: draw product

Q: Fe2O3 + CO → Fe + CO2 in acidic solution

A: Recall the reaction, Fe2O3 + CO ---> Fe + CO2 Balanced under acidic conditions ?

Q: At 400 K the root mean square speed of a gas is 600 m/s. At 700 K the root mean square speed of the…

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Q: Support it with the correct solution 1. What mass of aluminum oxide must be electrolyzed with…

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Q: TRUE OR FALSE In general, any metal that does not react readily with water to produce hydrogen can…

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Q: The complete combustion of propane in oxygen is represented by the equation C3H8(g) + 5O2(g) →…

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Q: Q3) (- A solution of 2.0 g of (+)-glyceraldehyde in 10.0 mL of water was placed in a 10.0 cm…

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Q: a)Equilibrium is dynamic because.... 1. the reaction continues randomly 2. the pressure and…

A: (a) Equilibrium is a dynamic process because it has two opposite processes in opposite directions.…

Q: A 50.0 mL sample of 0.436 M NH4NO3 is diluted with water to a total volume of 250.0 mL. What is the…

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Q: Calculate the electrode potentials of the following half-cells. (a) HC1(3.50 M) H₂(0.950 atm).Pt (b)…

A: calculate the electrode potentials of given rxn

Q: What do you already do to use less water and pollute water less ?

A: What I do to save and not pollute water: Use less plastic. Carry out rain water harvesting. Do not…

Q: 2. Calculate the AG* of the reaction: N₂H4(1) + H₂ - 2NH3(g) using the following data: N₂H4(1) +…

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Q: Calculate the mass in grams of 5.00 x 1020 H2O molecules. A. 0.0150 g H2O B. 0.0275 g H2O C. 0.0325…

A: Recall the data, Number of water molecules= 5.00×1020 molecules  MM of water = 18 g mol-1

Q: It is defined as the Conductance of one gram equivalent of solute contained between electrodes…

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Q: 3.Complete the following Reaction. Include the IUPAC name of the product.[ OH + H₂C-CH₂CH₂-NH₂ a.…

A: In order to write iupac nomenclature we have to follow some rules of iupac  1) first select longest…

Q: Consider the reaction: AB(g) → B(g) +A(g) with the rate law Rate = K[AB]2 and the rate constant k =…

A: Given-> k = 5.0 × 10-2 M-1.s-1 [AB] = 2.0 M

Q: 3.Complete the following Reaction. Include the IUPAC name of the product. [ OH + H₂C-CH₂-CH₂-NH₂ a.…

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Q: The completion of the synthesis of the second compound is provided below. B Br Using the list below,…

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Q: The reaction 2 CO(g) + O₂(g) → 2 CO2(g) is described by this rate law: rate = k[CO]²[0₂] Which of…

A: Given :  Rate law of reaction is :  Rate = k[CO]2[O2]

Q: Chemistry 2-propanol, 2-methylbutane and paranoiac acid are all liquid at room temperature and…

A: Like dissolves in like means the solvent and solute if they have same intermolecular forces then…

Q: Identify the configuration of the stereogenic center (R or S)

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Q: Propose an efficient synthesis for each of the following transformations. You might find it useful…

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Q: Which among the choices cannot be applied in the detoxification of cyanide tails? a. NaOH addition…

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Q: b.) Calculate the pH of a solution made by mixing 20.0 mL of a 0.100M methanoic acid (CHOOH) with…

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Q: (11) Lead-211 is a radioactive isotope with a half-life of 36.1 minutes. How long will it take for…

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Q: A student will be performing analysis of water samples collected from the Lake Eymir to determine Fe…

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Q: Nano chemistry questions! True or false? 1. Bulk materials have almost constant properties…

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Q: At a certain temperature, the equilibrium constant K for the following reaction is 7.00 × 10 6:…

A: Given reaction : Br2(g) + OCl2(g) ⇌ BrOCI(g) + BrCl (g) Equilibrium constant K1 = 7.00×10-6 1).…

Q: A compound contains C, H and O. The compound is 49.31 % by mass carbon, 43.79 % by mass oxygen with…

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Q: (25) With respect to the following unbalanced redox equation that takes place in basic soluti MnO₂…

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Q: Identify the selected functional groups inside of the red dotted lines.

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Q: Butane (C4H10) undergoes combustion with pure oxygen gas. 1.How many grams of CO2 are produced when…

A: Given  Mass of O2 = 88 g Mass of butane = 450 g Mass of CO2 formed =?

Q: Redox reactions can be seen all over us. Give an example of daily activities showing REDOX reaction.

A: Please find your solution below : Redox reaction is defined as a chemical reaction in which…

Q: 1) If the activity of a purely radioactive sample of 55Fe measured to be 0.5 mCi. What is the number…

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Q: 14. Calculate the formula mass of (NH4)2HPO4 (one type of fertilizer). A. 132 amu B. 46 amu C. 124…

A: Formula mass is the sum of atomic masses of atoms in its empirical formula. Empirical formula…

Q: What is the value of the equilibrium constant (Keq) when the following redox reaction takes place at…

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Q: Complete the synthesis by selecting the reagents necessary for the final transformation shown. ? H-…

A: Detail mechanistic pathway is given below to carry out the following synthesis

Q: Propose a chemical structure for the name below. Make sure to clearly define the stereochemistry…

A: 1) The chemical structure of (R)-4-methyl-4-phenylcyclohex-2-en-1-one is

Q: 1) Consider the following reaction: Mg(s) + 2HCl(aq) → MgCl₂(aq) + H₂(g) The total pressure of gas…

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Q: 4A1+30₂ -> 2Al₂O3 Given 6 moles of aluminum (Al), how many grams of aluminum oxide (Al2O3) will be…

A: Number of moles of a substance = amount of substancemolar mass of substance