A simplified version of the computed energy profile for the Wittig reaction of a stabilised ylide that we saw in the Introduction is shown below, with energy differences in kJ mol¹¹. Ph 120 OMe Ald + Ylide 42 Ph k₁ Oxaphosphetane (OP) K-1 24 OP CO₂Me that k_₂ 200 Ph CO₂Me Alk + Oxide Remember that rate constants k are related to activation energies E₂: k = Ae-Ea/RT (R = 0.00831 kJ mol-¹ K-¹) 1. Which is the rds? 2. Predict the rate equation. 3. Assuming that the A values for the steps are all 10¹0, calculate the rate constants k₂, k.₁, k₂ and k.₂ at 350 K. 4. Is the 2nd step reversible at 350 K?

Q: Write the necessary reactants in the following reactions

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: 5. Reaction Enthalpy. and calculate AH for the following chemical equations. AH (kJ/mol): HCN =…

A: Here we are required to find the Enthalpy change for the given double displacement reaction.

Q: A 5.00 L tank at 5.15 °C is filled with 11.1 g of sulfur hexafluoride gas and 9.29 g of boron…

A:

Q: 1. Water is looking nice but contains poison, this water is called b-) palatable water a-)…

A: 1. This water is called waste water. Palatable water is mostly suitable to take. 2. Suspensions are…

Q: Experiment name : Single Electrode Potential (electro chemistry) Q1:Purpose of experiment Q2: Theory…

A: Determination of single electrode potential

Q: Coal, which is primarily carbon, can be converted to natural gas, primarily CH4, by the exothermic…

A: The equilibrium reaction given is,  C + 2 H2 ⇌ CH4 ∆H = –ve (for exothermic reaction; heat is…

Q: Calculate the volume, in milliliters, of 0.170 M NaOH that must be added to 269 mL 0.0481 M…

A: Given, Molarity of NaOH = 0.170 M Molarity of MOPS = 0.0481 M Volume of MOPS = 269 mL pH=7.55

Q: 9. A solution contains 57.5 mL ethyl alcohol (C₂H5OH) and 600 mL benzene (CH₂). Given that 1000 g…

A:

Q: Br H е Br СН3 (18) СН3 F HS он по CH3 H CI CH2CH3 CH2 CH3 H H H3C H3C LL - …….…….WI - I SH CI он ОН…

A: Isomers are those compounds which have same molecular formula but different arrangement of atom…

Q: At equilibrium, the concentrations in this system were found to be [N2]=[O2]=0.100 M and [NO]=0.600…

A:

Q: Given the reaction 3Mn2+ + 2MnO4 + 2H₂O -> 5MnO2 + 4H+, estimate the loss rate of Mn2+ and…

A:

Q: An unknown sample of Cu2+ gave an absorbance of 0.475 in an atomic absorption analysis.  Then 5.00…

A: According to the question we have, The Volume of unknown solution is given by =  (Vi) = 45.0 mL The…

Q: Br -60% Br Br CH3OH NaN3 DMF

A:

Q: Consider the reaction: Fe³+ (aq) + SCN-¯(aq) → FeSCN²+ (aq) A solution is made containing an initial…

A:

Q: found that 3 titrations required an average volume of 21.27 mL of 0.1891 M NaOH(aq) to neutralize…

A: Molarity (M) :-  The number of moles of solute dissolved in one litre of solution is known as…

Q: MISSED THIS? Watch IWE: Stoichiometry Involving AH; Read Section 7.6. You can click on the Review…

A:

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts.

A: Given : structure of reactant.  Tip : carbonation will form first

Q: For the equilibrium Br₂(g) + Cl₂(g) = 2BrCl(g) at 400 K, K₂ = 7.0. If 0.74 mol of Br₂ and 1.65 mol…

A:

Q: A 0.693 g0.693 g sample of a metal, M, reacts completely with sulfuric acid according to…

A: Answer This question is answered by using the simple concept of stoichiometry which involves the…

Q: Calculate the Ca2+ ion concentration needed to precipitate CaF2 from a 0.0025 solution. M from NaF.

A: Given that Conc. of NaF = 0.0025 M Conc. of F– = [NaF]= 0.0025 M   We know that Ksp for CaF2 = 3.9 x…

Q: 2. Most commercial hydrochloric acid is prepared by heating NaCl with concentrated H₂SO4. How much…

A:

Q: Container A holds 712 mL712 mL of an ideal gas at 2.10 atm.2.10 atm. Container B holds 114 mL114 mL…

A:

Q: 1311, used to treat thyroid cancer, has a first order half-life of 6.99 × 105 s. How long does it…

A: Radioactive decay follows first-order kinetics. The decay constant (λ) and half-life of a substance…

Q: Describe the structure, bonding, and properties of this organic functional group. Predict if this…

A: The species that increase the concentration of hydrogen ions or hydronium in an aqueous solution act…

Q: Which will cause a colloidal precipitate to disperse back to its colloidal state?

A:

Q: In which of the following alkyl halides will a carbocation shift take place in the formation of the…

A:

Q: Explain why the protons on the sp³-hybridized carbon of propene (CH3-CH=CH₂) are more acidic than…

A: In this question we need to explain why protons of sp3 carbon are more acidic than that of protons…

Q: Submit Submit Answer Try Another Version + BrMg OCH₂CH3 BrMg 3 item attempts remaining

A:

Q: One infrared spectra (1) is given below. (a) Analyze the spectra and tabulate important bands. (b)…

A: IR spectra gives the information about the possible functional groups on the unknown compound based…

Q: 6. Calculate the percent of BaO in 29.0 g of a mixture of BaO and CaO which just reacts with 100.8…

A:

Q: Using the standard enthalpies of formation, what is the standard enthalpy of reaction?…

A: According to the question we have a chemical reaction,                CO(g)+H2O(g)⟶CO2(g)+H2(g) The…

Q: How many orbitals in an atom could have these sets of quantum numbers? n = 1 1 n = 5,= 3 7 n = 5,l =…

A: we have to calculate the number of orbitals for given quantum numbers

Q: 1. Predict the product and state if it is thermodynamic or controlled x Br Br HBr -20°C HBr 40°C…

A:

Q: Assign configuration, give IUPAC name Assign configuration, draw a diastereomer Assign…

A: Given : structure of molecules

Q: Prior Knowledge Question (Do this BEFORE using the Gizmo.) Have you ever smelled microwave popcorn?…

A: The oddly enticing scent can fill a whole house through a very popular process which is known as the…

Q: You are asked to test the electrolyte performance of several aqueous solutions. Based on the trends…

A: Electrolyte is basically a solution which allows electric current to pass through it. There are two…

Q: Which reaction is regioselective? I II 8 IV III ON ICl Br₂ KMnO4 D₂/Ni Br Br OH H OH D D H

A: Regioselective: Any process that favors bond formation at a particular atom over other possible…

Q: 5. Reaction Enthalpy. balan and calculate AH for the following chemical equations. AHe (kJ/mol):…

A:

Q: A particular beer is 6.50 % ethanol by volume (C₂H5O). If a single bottle of beer contains 750.0 mL…

A: Density = Mass/Volume  Moles = Mass/Molar mass

Q: Why is the pH value for pure water 7 at 25 °C? What happens to the pH value for pure water if the…

A:

Q: what is the difference between Ionic and covalent bonds?

A: We have to write the difference between Ionic and covalent bonds.

Q: compound contains arsenic (As) and oxygen as its only elements. A 1.626 g sample of the compound…

A: Empirical formal is defined as the formula which gives the simplest ratio of atoms present in the…

Q: Give good hand written solution plz Ascorbic acid, also known as Vitamin C (H2C6H6O6), is essential…

A:

Q: Part A Calculate AHxn for the following reaction: Use the following reactions and given AH values:…

A:

Q: The equilibrium constant expression for the reaction CuO(s) + H₂(g) = Cu(s) + H₂O(g) is Kc =…

A:

Q: Consider the following reactions and their respective equilibrium constants: NO(g) + Br₂(g) NOBr(g);…

A:

Q: The rate constant for a reaction at 25.0 degrees C is 0.0265 s^-1 and its activation energy is 35…

A:

Q: Blast furnaces extra pure iron from the iron(III) oxide in iron ore in a two step sequence. In the…

A: Here we are required to find the mass of carbon needed to prepare 7kg of iron in Two step where…

Q: Draw the major monobromination product of this reaction. Br2 (1 equiv) hv Draw Major Product

A:

Q: A 3.96 g sample of benzoic acid was dissolved in water to give 77.8 mL of solution. This solution…

A: When benzoic acid reacts with sodium hydroxide, then the formation of salt and water takes place and…