What is the value of ? for this aqueous reaction at 298 K?   A+B↽−−⇀C+D Δ?°=23.09 kJ/mol

Q: Calculate the osmotic pressure of a 1 M aqueous solution of a non-dissociated solute at 20 °C.

A: Given that: Concentration(C) = 1M Temperature(T) = 20°C = 20°C + 273 = 293K

Q: Click the "draw structure" button to launch the drawing utility. Draw 2-phenylbutanoic anhydride…

A: Given , Compound : 2 - phenylbutanoic anhydride

Q: How would you convert benzene to a single product of n-butylbenzene? Show the chemical structures of…

A: n-butylbennzene can be prepared from benzene by using Fridel-craft reaction.

Q: Question 31 How many nuclear spin states are allowed for the 1H nucleus?

A: We use the below formula to find the number of nuclear spin states of a nuclei; Number of spin…

Q: 7. Which of the following is aromatic? Å

A: We need to find the aromatic compound among these.

Q: Based from the given problem, What is the molecular weight and meq of potassium biphthalate…

A: Given, mass of NaOH pellets = 14.7 g Weight of KHP = 5.000 g

Q: 0.653 g of a monoprotic acid (mm = 157 g/mol) is dissolved in water to produce 50.0 mL of a solution…

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Q: Name VSEPR Theory Molecular Geometry Predictions Celexa C₂0H ₂1FN ₂0 Directions: Show the expanded…

A: The extended structure of celexa (C20H21FN2O) is given below.   There is some hetero atoms, like…

Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

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Q: the mass spectrometry of 5-phenyl-2-pentanone, several signals corresponding to fragments were…

A: Please find the attachment

Q: The h+ concentration in an aqueous solution at 25C is 9. X 10-6. What is [oh-]?

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Q: Indicate which factors affect the rate of a reaction. Select all that apply x Keq oooo k E₂…

A: Rate of reaction : It is the speed at ease of  which reactant are converted to products or it is the…

Q: For the equilibrium system below, determine which direction the equilibrium will shift under each…

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Q: Question 5 A 1. NBS/CC14/hv 2. NaCN 3. H30*/H₂0/heat CO₂H CN B ? D XON CN CO₂H

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Q: OH i.) NaNH, ii.) CH₂Br д ОН |

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Q: Grignard reagent formation may not be successful in which one of the following solvents:

A: We need to find in which of given solvents grignard reagent formation is not successful

Q: Provide the major product of the SO₂H Cl₂ AICI

A: Given reaction is halogenation reaction. Cl substitutes ring hydrogen.

Q: A reaction has a AH° = 25 kJ/mol and a AS° = -43 J/K at 298 K. Calculate the equilibrium constant…

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Q: TM H Show the synthetic sequence that converts acetylene to the target molecule (TM) shown below.

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Q: Which of the following is/are meso compound/s? C ||C/ || HO- OH Br ||| -Br

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Q: Chem 129 Topic Set 7 Variations of titration and Buffers G. How would you make 350mL of a buffer…

A: Desired pH of the buffer = 9.00 Desired volume of the buffer = 350 mL Desired concentration of the…

Q: 3. Examine the following graph. What are the relative strengths of the acid and base that were used…

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Q: A 250.0 ml sample of gaseous hydrogen bromide, measured at 22.9°C and 0.930 atm, was dissolved in…

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Q: 13. Would you expect the following nitration of benzoic acid to happen faster or slower than the…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: A hot air balloon made from 16.8kg material is 186m³ and the pressure is 1.0atm in a pure N2…

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Q: 1 OH میلا مليك 1. NaBH 2. HO * OH OH HO OH H

A: This reaction is an example of reduction of ketone by NaBH4 in presence of acid. It reduces ketone…

Q: List ALL types of intermolecular forces that exist among the following pure substances: a. rubidium…

A: a) Rubidium flouride(RbF):- It is an ionic compound. •Intermolecular force in Rubidium flouride is…

Q: 1. At 1200.0°C, the value of Keq for the formation of hydrogen iodide gas is 2.51 x 104. Determine…

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Q: An aqueous FeF₂ solution is electrolyzed under 1 bar pressure using platinum electrodes. (a) Write…

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Q: 3. Calculate the pH of a buffer which is 0.2 mol/L with respect to ammonium sulphate and 0.1 mol/L…

A: Given for a buffer solution   [(NH4)2SO4]  = 0.2 mol/L  (salt )    [NH3]    =  0.1 mol/L  ( base )…

Q: 3. Fill in the box with the major organic product of the first step of the reaction shown? xs CH₂l…

A: We have to give the complete reaction scheme of the given reaction.

Q: These isotopes 2. Sulfur exists in nature as three isotopes. If the atomic have isotopic masses…

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Q: Which one of the following compounds has the lowest Pka value? Ethanol Phenol 2,4-dimethylphenol…

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Q: According to the following combustion reaction, pure methanol liquid undergoes complete combustion…

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Q: What diene and dienophile are used in the Diels-Alder route to the compound shown? CN H CN H

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Q: 65.37 g Zn YOU MUST CALCULATE THE AMOUNT OF EXCESS REACTANT LEFT OVER AT THE END OF THE…

A: Please find the attachment

Q: 3. The solubility product constant (Ksp) of iron (III) chloride is 1.7 x 106. Calculate the molar…

A: The solubility product ( Ksp ) a sparingly soluble salt is defined as the product of the molar…

Q: According to the following reaction, how many milliliters, mL of 0.152 M HCI is needed to neutralize…

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Q: Predict whether the following reaction shows an increase or a decrease in entropy B₂H6(g) 2 B(g) + 3…

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Q: Ribose, a carbohydrate with the formula shown, forms a cyclic hemiacetal, which, in principle, could…

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Q: Using the partial equations below, determine the enthalpy of formation of nitric oxide (NO). Hint:…

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Q: If 75.0 mL of 0.550 M NaCl solution is diluted to 300.0 mL, what is the concentration of the diluted…

A: The given information is as follows: The initial concentration of NaCl solution M1 = 0.550 M The…

Q: The leading commercial synthetic rubber is which one of the following: O butyl rubber isoprene…

A: The rubber which can be prepared artificially is known as synthetic rubber.  For example :…

Q: YOU MUST CALCULATE THE AMOUNT OF EXCESS REACTANT LEFT OVER AT THE END OF THE REACTION!!!!!!!

A: Please find the attachment.

Q: 5. 6. 7. The next 3 questions refer to the diagram below. All cells are at standard state. Pb The…

A: #5: The standard reduction potential values of Pb and Zn are; Zn2+(aq) + 2e- →Zn(s) ; Eo = - 0.762 V…

Q: 4. Greater percentage of addition at carbonyl A

A: We know that aldehyde is more reactive than ketone that's why Grignard reagent react faster with…

Q: What is the [OH-] in a solution that has a [H3O+] = 1.0 × 10-5 M?

A: pH measured the acidity of the solution and pOH measured the basicity of the solution. Recall data,…

Q: Methanoic acid, HCOOH, has a K₂ value of 1.58 x 104 mol/L. What ratio of methanoic acid and sodium…

A: Consider the given information is as follows; Ka of HCOOH = 1.58×10-4 mol/L pH = 4 Methnoic…

Q: What is the molarity of a solution containing 2.75 moles of NaCl in 5.00 L of solution?

A: Definition of molarity- Molarity is the ratio of moles of solute to the volume of the solution.…

Q: 8. Complete the following reactions for the formation of acetals. Draw the structure of the product.…

A: 8. Acetal formation in presence of acid.     9. Hydrolysis of acetal in presence of H2O and acid