40 2.00 Assignment (a) (b) (c) (d) 3.0 Chemical Shift 4.02 3.02 2.0 2.04 1.0 Multiplicity Sextet 3.00 0.0

Q: You have 75.0 mL of 0.11 M HA. After adding 30.0 mL of 0.10 M NaOH, the pH is 5.50. What is the Ka…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: Calculate the concentration of the hydrochloric acid if a 20.00 mL sample is titrated with standard…

A: Since, Molarity is the number of moles of solute dissolve in one litre of the solution. Thus,

Q: When using a 0.100 M HCI (aq) standard solution and measuring 50 ml of 0.100 M NH3 (aq), Find the pH…

A: Given , Concentration of HCI = 0.1 M Concentration of NH3= 01. M Volume of NH3= 50.0 mL pKb(of…

Q: An electrochemical cell is based on the following two half-reactions: oxidation: Sn (s) →Sn²+ (aq,…

A: Electrochemical cell- In an electrolytic cell, chemical reactions are sped up by electrical energy.…

Q: Which of the following molecules are nonpolar? H 0 1 and 3 O 2,4 and 5 3 and 5 O 1, 2 and 3 01 and 2…

A: we have to determine, which the given molecules is nonpolar

Q: Calculate the heat of the reaction, in kJ, using the standard enthalpies of formation provided.…

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Q: 25.00 mL of a solution of phosphoric acid, H3PO4, was titrated with 0.500 M NaOH. a) Write the…

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Q: In the laboratory you dissolve 12.6 g of iron(III) nitrate in a volumetric flask and add water to a…

A: Given, The mass of the iron(III) nitrate is given by = 12.6 g The volume of the solution is given by…

Q: the enthalpy change AH during the following reaction: CH()+ 3H₂(g)-3C₂H4(9) AH-108. kJ Use this…

A: The thermochemical equations can be treated as algebraic equation which can be added,  subtracted,…

Q: Rank the following compounds in order of their acidity. Åome ii OMe i ii Compound i Compound ii…

A: acidity of a particular compound can be found by finding the conjugate base stability. I.e. if the…

Q: X Y What is the formula when X and Y form an ionic compound?

A: A compound is formed by the electrostatic interaction between the cation and the anion. The cation…

Q: 28. A student prepares 2.00 L of a solution containing 0.440 mol of sodium formate (HCOONa) and…

A: Answer:- This question is answered by using the simple concept of calculation of moles of NaOH using…

Q: A 23.3 mL sample of 0.325 M ethylamine, C2H5NH2, is titrated with 0.253 M perchloric acid. The pH…

A: Given, The molarity of the  ethylamine (C2H5NH2) = 0.325 M The volume of the ethylamine (C2H5NH2) =…

Q: Does a reaction occur when aqueous solutions of chromium(II) iodide and silver(I) nitrate are…

A: Given :  aqueous solutions of cobalt(II) acetate and chromium(II) sulfate are combined   aqueous…

Q: 2. A student titrates 25.00 mL of a 0.2560 F solution of sodium phosphate (Na3PO4) with 0.4000 M…

A: A) To solve this problem, you will need to use the formula for the pH of a solution that is a…

Q: Gaseous ethane (CH, CH₂) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide (CO₂)…

A: When alkane react with oxygen then they form carbon dioxide and water.  The general formula for…

Q: QUESTION 10 The electron configuration of Co (element 27) and the number of unpaired electrons are…

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Q: Of the substances below which answer correctly gives ALL of the in the Table. H H H (1) H-C-0-H (2)…

A: There are various types of intermolecular forces of attraction.  Dipole-Dipole attraction London…

Q: Calculate the emf of the following concentration cell at 25oC:  Cu(s)|Cu2+(0.070 M)||Cu2+(2.1…

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Q: A gaseous mixture with a molar analysis of 20% CO2, 40% CO, and 40% O₂ enters a heat exchanger and…

A: Given , Gaseous mixture of 20 % CO2 , 40 % CO , 40% O2

Q: Citric acid, which is present in citrus fruits, is a triprotic acid  (Ka1=7.4x10^-4; Ka2=1.7x10^-5;…

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Q: 1. 2. o° ol 1. H₂N a = Electrophilic addition b = E2 Elimination c = SN1 Nucleophilic substitution…

A: Note: Since you have posted multiple questions, we will provide the solutiononly to the first…

Q: 4. (a) (b) (c) (d) (e) (f) Draw the structure of the repeating unit in a polymer in which the…

A: A question based on polymer chemistry. 6 monomeric compounds are prescribed for which the structure…

Q: Bromo compound N can undergo substitution with nucleophiles X to give mixtures of products O and P…

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Q: CS sherwood's dimensionless number to mass transfer calculations is Follows sh = F. I C.D use in…

A: In the Sherwood number equation, the mass transfer coefficient (F) has units of m/s. This is because…

Q: Give an IUPAC name for the compound below. Accepted names for branched alkyl groups are isopropyl,…

A: we have to determine the IUPAC name of the given structures

Q: In the following acid-base equilibria of weak acids in water, label the acid (A), the base (B), the…

A: Given : equilibrium reaction

Q: hat volume of propane (C₂Hs) is required to react with 88.3 liters of oxygen gas ccording to the…

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Q: to Lot Br + -CH3 + E. 1. CH₂Br 2. H₂0 CH3 HNO3 H₂SO4 CN -OH →>>> H₂0 (mit) H Brz 1.BH3-THF 2. H₂02,0…

A: Step by step mechanism:

Q: = Calculate the binding energy per mole of nucleons for sodium-23. Masses needed for this…

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Q: What is the mole fraction of hydrogen in a gas mure (H₂) and 8.00 g of argon in a 3.00 L vessel at…

A: Molefraction of a component is the ratio between moles of the component to the total number of moles…

Q: Which of the following formula and chemical name combinations is correctly shown? A B D N₂O₂;…

A: Given different chemical formula and their corresponding names. We need to identify the correct pair…

Q: QUESTION 11 A student titrates 26.5 mL of a sulfuric acid solution with 0.750 M NaOH. The color…

A: At equivalence point the no of equivalent of the acid and base is same. the no of atom in unit cell…

Q: Complete and balance the following redox equations using the smallest whole-number coefficients. The…

A: In balancing a chemical equation we will make the elements equal in both the side. In basic medium…

Q: Which of the following cations is most stable? 1 3 O 4+ Select one: O A. 4 B. 2 C. 1 CH₂ O D. 3…

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Q: Activity 1.1 Write the nuclear reactions involved in the synthesis of each of the following new…

A: We need to write the nuclear reactions involved in the synthesis of each of the following new…

Q: Which formula represents a nonpolar molecule? A. H₂O B. H2S C. CF4 D. NH3 E. HCI

A: As we know symmetric molecules are nonpolar although they have polar bonds but dipole of one bond is…

Q: By first law of thermodynamics, Ο q = ΔΕ - W Ο q = ΔΕ+W O q = -ΔΕ-W q = = -ΔΕ+W Ο

A: Answer: First law of thermodynamics is based on the energy of conservation and it gives us relation…

Q: II. Complete the following equations, writing word equations, followed by balancea chemical…

A: In a balanced chemical equation the number of atoms of elements on both sides of the equation must…

Q: Does a reaction occur when aqueous solutions of barium iodide and potassium carbonate are combined?…

A: Here, we have to find whether a reaction will occur or not when an aqueous solution of barium iodide…

Q: How do promoter catalysts (key word promoter) contribute to environmental sustainability? Remeber to…

A: Promoter catalysts are those that increase the rate of a reaction without themselves getting…

Q: 18. Which of the following is least susceptible to nucleophilic attack? i A. 19. What is the product…

A: Ketones upon reaction with excess alcohol form ketal Hard nucleophile favors 1,2-addition while soft…

Q: For the reaction H2S(g) + |2(s) = 2H1(g) + S(s, rhombic) Kp = 1.33 x 10-5 atm at 60°C. What will be…

A: Well, we will first construct the ICE table. And we will calculate the mole fraction from that. We…

Q: Does a reaction occur when aqueous solutions of lead(II) nitrate and ammonium iodide are combined? O…

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Q: An ampoule with 290 mg N₂04 was introduced into a quartz vessel of volume 500.0 mL. The vessel was…

A: To solve this problem, we need to use the ideal gas law to relate the pressure, temperature, and…

Q: What volume of NH3(g) at 400C, 650 mm Hg pressure, are required to produce 50 grams of H2O in the…

A: The balanced equation is 4 NH3(g) + 3O2(g) → 2N2(g) + 6H2O(l) Mass of water = 50 g Molar mass of…

Q: An aqueous solution of calcium hydroxide is standardized by titration with a 0.119 M solution of…

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

Q: ||| E V H-Br CH₂OOCH3 H-Br CH₂OOCH3 IV H-Br

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Q: Calculate AH for the reaction C6H6(l) + (15/2)0₂(g) →→→ 6CO2(g) + 3H₂O(l) using the following…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Consider the following electrochemical cell in which X is an unknown metal: X (s) | x2+(1 M) || Cl₂…

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