Consider the mechanistic step shown below. Which of the four characteristic patterns of arrow pushing is illustrated? + H20 O proton transfer Orearrangement O loss of a leaving group O nucleophilic attack

Q: how to prepare this buffer TES (Sigma-Aldrich) infiltration buffer (10 mM TES, 10 mM MgCl2, pH 7.5) ...

A: TES, having the molecular formula C6H15NO6S, is widely used to prepare buffer solution. A TES buffer...

Q: 1) Outline reasonable synthetic schemes to convert pentane to 1-tritio-1-butyne 2) Draw a reasonable...

A: Here we have to synthesize 1-tritio-1-butyne from pentane by multistep reactions.  

Q: Molybdenum metal, Mo, crystallizes in a cubic arrangement. In which of the cubic unit cells does Mo ...

A: Given, Molybdenum metal, crystallizers in cubic arrangement. Density (d) = 10.22 g/cm3 Atomic radius...

Q: Draw the products of the following Diels-Alder Reactions. Remember to show the correct stereochemist...

A: In Diels alder reaction, diene react with dienophile to form 4+2 cycloaddition  product.  

Q: change in the internal energy

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Q: 1. Differentiate hydrolysable from non hydrolysable tannins.    Hydrolysable         Non Hydrolysa...

A: Tannins are complex organic compounds which are found in many species of plants. They are secondary ...

Q: 4. Citric acid has three Ka values, Kal = 7.4 x 10-4, Ka2 = 1.7 x 10-5, and Ka3 = 4.0 x 10-7. Write ...

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Q: Click the "draw structure" button to launch the drawing utility. What product is formed when the com...

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Q: A 0.923 L sample of a 0.429 M glucose (C6H12O6) solution has a density of 1.16 g/mL. What is the mol...

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Q: 10. 1. COOH Br 2. 11. OH

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Q: Which air pollution control technology is best suited for reducing the sulfur emissions of coal-fire...

A: Sulfur is one of the elements present in the periodic table and has 32 g/mol.

Q: 3. A solution is 0.0500 M in NH.Cl and 0.0250 M in NH3. K. (NH) = 5.70 x 10-10 Calculate the pH of t...

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Q: Use the two reactions below to determine the equilibrium constant for 2NO2(g) 5 N2(g) + 202(g). ½ N2...

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Q: CH3 R-C-о—ОН (m) H3C- -ċ-CH3 ČH3 (n) + CH3-Ĉ-0-OH

A: Organic reaction are those in which organic reactant react to form organic products.

Q: Correct 1. Calculate the amounts of each reactant. 2. Compare the ratio of reactants amounts to the ...

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Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous s...

A: We have to find rate law and rate constant.

Q: How many protons and neutrons are in an atom of Cu-57 ?

A: The number of protons and neutrons in Cu-57 is given below

Q: The following data were obtained for the osmotic pressures of the nitrocellulose in acetone at 20 °C...

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

Q: In an ideal calorimeter, 250.0 mL of water at 50.O °C and 150.0 mL of water at 20.0 °C are mixed, pr...

A: Concept  According to calorimetry  Heat absorbed = Heat released   

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Q: H() + 3 O2(g) → 2 CO2(g) +4 H 452.8 kJ/mol ch heat (kJ) is evolved when 3 pl (CH3OH) with a density ...

A: Volume of methanol = 35 mL Density = 0.792 g/mL Mass = Volume × density    = 35 × 0.792 = 27.72 g Mo...

Q: A salt composed of the cation of a weak base and the anion of a strong acid gives an aqueous solutio...

A: Strong acids are those acids which dissociates completely into ions.  Weak acids are those acid whic...

Q: ne equilibrium constant for the reaction A (aq) + 5B (aq) =8C (aq) + D (aq) = 1.293 * 10-7 found to ...

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Q: consider the following equilibrium. CrO4(aq) + 2H(aq) Cr2O7(aq) + H2O(l) (yellow)                ...

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration t...

Q: Consider the two half reactions A3+ + e A2+, eo' = 0.780 V and CO2 + H* + 2 e¯ formate", ɛ°' = -0.42...

A: Given :  A+3 + e- ----> A+2    E° = 0.780 V  CO2 + H+ + 2e- ------> HCOO-   E° = -0. 420 V   

Q: Synthesize the following compound from the given starting materials. OEt

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Q: Hydrothermal vents produce many types of compounds. One such compound consists of the elements magne...

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Q: The following initial rate data are for the oxidation of arsenate ion by cerium(IV) ion in aqueous s...

A: Rate equation is expressed as,     Rate  = k [ A ]m  [ B ]n     [A] and [B] are the concentrations o...

Q: lon exchange is used to remove water hardness of a well water, which has a total hardness of 450 mg/...

A: Given data : Inlet water hardness = 450 mg/L Water hardness after treatment(due to leakage) = 15 mg/...

Q: Remaining Time: 26 minutes, 33 seconds. Question Completion Status: > A Moving to the next question ...

A: The bcc lattice can be considered as a unit cubic cell with two lattice points per cell. 

Q: CH3-CH2-CH-CH-CH2-CH3 CH3 CH2 CH3

A: Here , we have to tell IUPAC name of the given Organic Compound 

Q: 2) 150.0 mL of a nitric acid (HNO3) solution is titrated to its bromothymol blue endpoint with 48.33...

A: We have to predict the concentration of nitric acid solution.      

Q: Multiply the following and express your answer in appropriate scientific notation, and a correct num...

A: The given equation - - > = (1.9*10-38)*(1.8*10-43) = 3.42 * 10(-38-43) = 3.42 * 10-81  

Q: Explain why the following mechanism is not plausible for this reaction. NO(g) + Cl2 2 NOCI(g) + CI f...

A: Rate law is defined as the change in concentration of reactant or product with respect to time. Rate...

Q: Balance the following reactions. Do not add the phase symbols. a. ____Ca(OH)2 + ____H3PO4 ____Ca3(P...

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Q: Arrange the following phenolic compounds based on increasing pH.  A. I<II<III B. III<II<I C. I<III<I...

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Q: The models in the following table represent ions that have their usual charge. Give the formula, inc...

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Q: What does the number in a filter paper's brand represent?

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Q: 2. A solution that may contain Cu, Bi", Sn*, or Sb2* is treated with thioacetamide in an acidic medi...

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Q: 9.63 Reactions of hydrocarbons are often studied in the petro- leum industry. One example is 2 C;Hg(...

A: Given reaction: 2C3H8(g) → C6H6(l) + 5H2(g) ∆H∘ = 698 kJ The volume of propane = 35 L The temperatur...

Q: The system releases 500J of heat energy and 200J of work is done by the system. Calculate the change...

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Q: Experiment name: Heat of solution (KNO3 and Tris) in Calorimetric Thermometer. Q.1 Purpose of experi...

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Q: 1. What type of precipitate is BaSO4? 2. Why is a filter paper preferred over a sintered glass filte...

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Q: any moles o

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Q: 6. Draw CrCl2(OH2)4 + , CrCl(OH2)5 2+, and Cr(OH2)6 3+ by hand indicating the correct 3D geometry. ...

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Q: Match all the described steps of a typical bimolecular reaction sequence to the location on the ener...

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Amines

Amines are organic compounds with a nitrogen atom having a lone pair of electrons on it. They are derived from ammonia (NH3) wherein hydrogen atoms are substituted by an aryl or alkyl group.