Illustrate the mechanism of forming alkynes from a 1,2-dihalide and a vinylic halide. Show intermediates as applicable and use the arrow formalisms.

Q: Question 5 What is the pH of 0.01 M acetic acid solution (Ka = 1.8x10-5) O 3.22 O 3.55 O 3.37 O 4.24

A: Concentration of acetic acid = 0.01 M Ka = 1.8 × 10-5

Q: Determine how much of each acid and conjugate base are needed to add to a final volume of 500ml of D...

A: The preparation of buffer is governed by Henderson Hasselbach equation. pH=pKa + log[conjugate base]...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A: It is an application of first law of thermodynamics which state energy can neither be created nor be...

Q: Provide the proper IUPAC name for the alka CI HO.

A: The numbering will be start from -OH group and then double bond and in last chlorine atom.  For -OH ...

Q: Draw the product when the hydrogen atom bonded on the deuterated carbon undergoes a thermal sigmatro...

A: The given molecule may undergo sigmatropic hydrogen shift in thermal as well as photochemical condit...

Q: For each of the following sets quantum numbers, give the atomic orbital designation for each row. 11...

A: n = the principle quantum number l = the orbital angular momentum quantum number ml = the magnetic q...

Q: A chemical engineer must calculate the maximum safe operating temperature of a high-pressure gas rea...

A: To calculate the value of maximum safe operating temperature , we would use ideal gas law. 

Q: Question 3 Which of the following best decribes equilibrium constant? O temperature dependent O conc...

A: Chemical equilibrium is dynamic in nature.

Q: Which of the following statements is true about activation energy in chemical reactions? O By increa...

A:

Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A: Sulfuric acid reacts with sodium hydroxide to form sodium sulfate. The equation for the balanced che...

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

A:

Q: Suppose a 500. mL flask is filled with 0.70 mol of H, and 1.9 mol of I,. The following reaction beco...

A:           Number of moles of H2 = 0.7 mol           Number of moles of I2 = 1.9 mol    Volume of rea...

Q: Hydrogen (H,) gas and oxygen (0,) gas react to form water (H,0) vapor. Suppose you have 9.0 mol of H...

A:

Q: A scientist measures the standard enthalpy change for the following reaction to be -1057.0 kJ : 2H2S...

A:

Q: 1. Before Planck's theoretical work on blackbody radiation, Wien showed empirically that AmaxT = 2.9...

A: Given:-   we have to derive the equation of weins displacement law.

Q: Answer the following questions about activating and deactivating groups. Give specific examples. 1....

A: As per the company guidelines, we are authorised to solve only one question at a time. Please post r...

Q: CH,CH,CH,CH,C

A: A tubular fixed bed reactor is a type of packed bed reactor. This is used for heterogeneous reaction...

Q: Which of the following statement is CORRECT? O At equilibrium, the concentration of reactant and pro...

A: Option d is correct i.e at equilibrium : rate of forward reaction = rate of backward reaction

Q: Which of the following forms of electromagnetic radiation has the longest wavelength? a) b) c) d) mi...

A: Given :-  foms of electromagnetic radiation ;  microwaves  ultraviolet  infrared  radio-waves  To ...

Q: try [Roferences] Use the References to access important values if needed for this question. Arrange ...

A: entropy is the amount of disorder in a system First consider the phase of each compound. Entropy inc...

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + 02(g)→2Fe0(s) AH° ...

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Q: SO2 structures Use these proposed Lewis structures of SO, to answer the next three questions. A C Ö-...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: For the reaction 2C02(g) + 5H2(g)→C2H2(g) + 4H20(g) AH° = 46.5 kJ and AS° = -125 J/K At standard con...

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Q: Answer Question 6 When temperature heightens, CH3NC isomerizes to CH3CN. At the start of an experime...

A: Since you have asked multiple question, as per our company guidelines we are supposed to answer the ...

Q: Problem: What is the percent yield of a reaction that produces 12.5 g of the Freon (CF2CI2) from 32....

A:

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Ni(s) + 02(g)→2N¡O(s) AH° ...

A: Given, 1) 2Ni(s) + O2(g) ➝ 2NiO(s)    ∆H° = -479.4 kJ 2) 2Hg(l) + O2(g) ➝ 2HgO(s)  ∆H° = -181.6 kJ 3...

Q: Problem: What is the percent yield of a reaction that produces 12.5 g of the Freon (CF2CI2) from 32....

A: Recall the reaction, CCl4 + 2HF ---> CF2Cl2 + 2HCl  Given masses, mass of CF2Cl2=12.5 g = Actual ...

Q: In the UV assay of paracetamol you are required to weigh tablet powder “…containing 0.150 g of Parac...

A: Answer : 1 tablet should contain  500 mg of paracetamol so  20 tablet contains  = 500*20 = 10000 mg ...

Q: "Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas w...

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Q: This is the chemical formula for cassiterite (tin ore): SnO, A geochemist has determined by measurem...

A: Molecular formula: In a molecular formula we describe the number of atoms of all the elements presen...

Q: 1. Give an acceptable (common or systematic name to the following compounds (a) 2-ethyl-6-me thil-4-...

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

Q: Consider the exothermic reaction of nitrogen dioxide, a brown-colored pollutant gas forming dinitrog...

A: Given :-  2NO2(g)  ↔ N2O4(g)   [NO2]eqm = 0.05 M  [N2O4]eqm = 1x10-5 M  To calculate :  Value of Kc 

Q: Some N, gas is mixed with some O, gas, and the sketch below shows a representative sample of the mix...

A: Partial pressure of gas is given by  p=xP where,p=partial pressure, x=mole fraction and P=total pres...

Q: Determine the product of the following reaction:

A: The given reaction is an example of diels-alder reaction.   

Q: What is the pH at which a buffer composed of CO32- and HCO; would be most effective at resisting pH ...

A: We would use Henderson-Hassalbalch equation to determine the value of pH .

Q: If a 750 mL sample of drinking water has lead concentration of 28 ppm, how many grams of lead are in...

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Q: In a lab, dissociation constant, K, of an acid-base indicator is measured. A 1.00 x 104 M solution o...

A: Concentration (C) of the indicator = 1.00 x 10-4 M path length (l) of cuvette = 1.00 cm Molar absorp...

Q: meo Et

A: The IUPAC name and other details of the molecule has been provided.

Q: 1. а) Consider the reaction scheme below. PhLi HONH,, HCI A C ELOH B D (ii) Outline the mechanism fo...

A: Concept :  1) reaction of amine & ketone leads to imine molecule.  2) Lithiation can be done usi...

Q: Would a solution that contains equal volumes of 0.10 M NAOH and 0.20 M Na*CiO" (sodium hypochlorite)...

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Q: Which condition favors the forward direction of a reversible reaction? A. Q = K B. Q K D. Q = 0

A:

Q: The osmotic flow of water from the hypotonic side of a SPM to the hypertonic side can be stopped by ...

A: In the above question it is given to choose how pressure factor depends on the flow of water from hy...

Q: Calculate the pH of an 0.025 M solution of NH3. NH3 is a weak base. Kb = 1.80 x 10-5

A:

Q: а) Consider the reaction scheme below. -[•] PhLi HONH,, HCI A ELOH B D (i) Deduce the structures of ...

A: We have to give the structures of the compounds A, D, and the intermediates C. We also have to give ...

Q: A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gas...

A:

Q: - Select the correct statement for n-5 Electrons Orbitals a) 5 b) 25 c) d) 16 10 50 10 20 32

A: Given :- principle quantum no. i.e. n = 5  To determine :- total orbitals and total electrons for gi...

Q: 7. A movable piston contains a sample of 680 mL of neon gas with a temperature of -5C. When the pist...

A: 7. Given :  initial volume = 680 mL  final volume = 1.32 L  initial temperature = -5°C  To calculate...

Q: (b) Calculate the enthalpy change for the dissolution of (NH4)2SO4(s) using the enthalpy of formatio...

A: Dissolution of the given salt is given by the equation (NH4)2SO4 (s) + H2O(l) ↔2NH4+(aq) + SO4 2-(aq...

Q: A scientist measures the standard enthalpy change for the following reaction to be -52.7 k) : C,H4(9...

A:

Q: Liquid octane (CH, (CH. reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) ...

A: We are given combustion reaction of liquid octane. Mass of H2O formed = 3.26g Mass of octane reacted...

Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.