C.

Q: بلدي بلدند Write the mechanism for the Claisen reaction. NaOCH3 HO

A:

Q: The nitro groups on the benzene ring in the reactant serve two purposes. One is to let you know what…

A: Nitro group shows -M as well as -I effect. Therefore, it is electron withdrawing group and it…

Q: use the References to access important values if needed for this question. Draw a structural formula…

A: We have to draw the structure of organic anion formed in the given reaction

Q: Calculate AS for NH3(g). ASfº = JK-1 Use data in the table below: Standard Entropies of Some Typical…

A:

Q: A sample of a gas mixture contains the following quantities of three gases. compound CO CO₂ SF6 mass…

A: Volume = 2.50 L Temperature = 16.6°C

Q: 14.42 Give an acceptable name (IUPAC or common) for each ether. OCH 3 a. CH3OCH₂CH₂CH3 b. C. -OCH 3

A: According to the IUPAC nomenclature, First longest chain of carbon atom is identified. Numbering is…

Q: Assign a structure for the nitrogen-containing compound whose spectra are shown below. It is very…

A: We have to determine the structure of given compound by analysing IR , NMR and mass spectra.

Q: Which equation represents Beer's Law? A = elc A = el El C c = Aɛl d C=

A: Beer's law states that when a monochromatic light is passed through a solution of an absorbing…

Q: [References] Use the References to access important values if needed for this question. Complete the…

A: Given reactants:  Ethyl formate and water in presence of proton catalyst HCOOCH2CH3  + H2O ---->…

Q: The table is missing the 6th Carbon

A: To analyse the structure and construct a table depicting chemical shift values of each carbon .…

Q: Identify reagents that can be used to make the following compounds with a Claisen condensation.…

A: Claisen condensation is a type of coupling reaction in which carbon–carbon bond forming takes place.…

Q: Consider the following reaction at 298 K. Cd²+ (aq) + Ni(s) → Cd(s) + Ni²+ (aq) Which of the…

A: Cell reaction

Q: What is the oxidation number of S in the compound Na₂SO4?

A:

Q: Which of the following is a conjugate acid-base pair? A) H3ASO4, ASO4³- B) H₂ASO4, HASO4²- C)…

A: Since, Conjugate acid-base pair are differ by only one proton. Thus,

Q: Which of the following species contains manganese with the highest oxidation number?

A:

Q: What is the equilibrium constant for the following reaction at 25 °C? Round your answer to 1 decimal…

A: The chemical reaction :  Cu(s) + 2Ag+(aq) ⇌ Cu2+(aq) + 2Ag(s)  The equilibrium constant at 25°C = ?

Q: In the empirical formula of an oxide experiment, the value of x in MgXO was found to be 0.5;…

A: Given that In MgxO the value of x is 0.5  Mass of Mg used = 0.84 g  Atomic mass of Mg = 24.3 g…

Q: At what temperature does the following reaction become nonspontaneous? 2 H2S(g) + 3 O2(g) → 2 SO2(g)…

A: A reaction becomes spontaneous when the free energy change of the reaction turns negative. A…

Q: how many V is the E (answer?)

A:

Q: 5) Using the Born-Haber cycle, the AH°f of KBr is equal to A) AH°f [K (g)] - AH°f [Br (g)] - I1(K) -…

A: we have to determine ∆Hfo of KBr

Q: 3. Given values: Substance: silver (Ag) specific heat capacity (c): 0.233 J/(g.°C) amount (m): 847.4…

A: mass of silver , m = 847.4 gsp. heat of silver , C = 0.233 Jg°CChange in temperature , ∆T = +510.3°C

Q: Calculate the pH change that results when 14 mL of 2.4 M HCl is added to 510. mL of each of the…

A:

Q: 4. Why is it generally healthier to consume unsaturated fats over saturated fats? ✓✓✓

A: It is generally healthier to consume unsaturated fats over saturated fats because of their impact on…

Q: What is the freezing point in °C of a solution prepared by dissolving 6.60 g of MgCl₂ in 110 g of…

A: we have to calculate the freezing point of the solution

Q: 2H ¹H NMR Spectrum of Propyl Acetate CH3-CH₂-CH₂-0- 3H 2H Chemical Shift (ppm) 1.5 -CH₂ 3H TMS…

A: Every nuclei will have spin and if an external magnetic field is applied, there will be an energy…

Q: What are the most important safety precaution for handling dimethyl ether in small amounts? Group…

A: The question asked about the most important safety precautions for handling dimethyl ether in small…

Q: It takes 49.0 J to raise the temperature of an 10.2 g piece of unknown metal from 13.0°C to 24.0 °C.…

A:

Q: 1. An aqueous solution of sodium hydroxide is standardized by titration with a 0.151 M solution of…

A: A neutralization reaction is the reaction between an acid and a base to form a salt and water. This…

Q: 1. Calculate AG and predict whether the following reaction would proceed spontaneously as written at…

A: •Given cell reaction:- Mg(s) + Sn2+(aq) ==> Mg2+(aq) + Sn(s) •Transferred electron (n) = 2 =>…

Q: In one to two sentences, explain why metal is often used for making wire and the properties that…

A: Metals are a group of elements that are typically solid, shiny, and good conductors of heat and…

Q: 10 is a titra con curve of a weak acid with NaOH. What region of the titration curve can the volume…

A: Given  A titration curve of weak acid with strong base NaOH.

Q: Answer the questions in the table below about the shape of the iodite (10₂) anion. G 0 How many…

A:

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients…

A:

Q: Consider the reaction: 2H₂(g) + O₂(g) → 2H₂O(g) Using standard absolute entropies at 298 K,…

A: Reaction : 2 H2(g) + O2(g) →2 H2O(g)

Q: Using curved arrow notation, write a detailed, stepwise mechanism for the reaction below. Лон +…

A:

Q: A solution is prepared by adding 0.050 mole of Ni(NH3)6 Cl₂ to 0.50 L of 3.5 M NH3. 2+ is in this…

A:

Q: Excess carboxylic acid (if any) was removed from the reaction mixture by the addition of Na2CO3…

A: Excess carboxylic acid (if any) was removed from the reaction mixture by the addition of Na2CO3…

Q: For the reaction CO(g) + 3H₂(g)CH₂(g) + H₂O(g) AH° = -206 kJ and AS° = -215 J/K AG would be less…

A:

Q: Draw a structural formula for the organic anion (i.e., do not include K or Nat) formed from the…

A:

Q: co-spot of carbonyl & alcohol compounds A 0 Your alcohol product, B (obtained from the NaBH4…

A:

Q: 6) Which of these statement about functional groups is true? a. They are always non-polar b. They…

A: Functional groups are specific groups of atoms that occur within organic molecules.

Q: What is the molar solubility of silver(I) bromide at 25°C? The solubility product constant for…

A: Dear student since you have posted multiple questions, we will solve only first question for you if…

Q: What is K for a reaction if AGº =-226.1 kJ/mol at 25 °C (or 298 K)? (R = 8.314 J/mol · K) .

A:

Q: Dr. A needs to make 163 mL of a 1.55 M solution of XCI2. What mass of XCl₂ is needed to prepare this…

A:

Q: You discover a new element with a molar mass of 319.0 g/mol. How many atoms are contained in 97.9…

A:

Q: 5) What of the following is false about water? a. Water contains no H* or OH ions b. Water has a pH…

A: The question is based on the concept of pH of the solution.  it is defined as a negative logarithm…

Q: Н00С СООН СООН П NH₂

A: Here we have to convert benzene 1,3,5 tri carboxylic acid to aniline-

Q: would the formula for the conjugate of HCN be acid or base? would the formula for the conjugate of…

A: According to Bronsted and Lowry concept an Acid is a substance that has the tendency to donate a…

Q: Label the IR spectra of the unknown chemical by identifying key stretching frequencies (e.g. O-H,…

A: The question is based on the concept of IR spectroscopy . we need to assign bands to the given…

Q: To 10 drops of an unknown halide sample, 5 drops of Ca2+ reagent were added. The solution turned…

A: