What is the total number of electrons lost in the substance oxidised in the reaction below? Zn (s) + 2HNO3 (aq) → Zn(NO3)2 (aq) + H2 (g)   Question 6 options: A) 1 B) 2 C) 3 D) 4

Q: Which among the following reactions will occur at the cathode of an electrochemical cell? Cr ⟶ Cr3+…

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Q: Be sure to answer all parts. Covalent bonds in a molecule absorb radiation in the IR region and…

A: a.) Wavelength (λ) = C/v C = speed of light v = frequency λ = 62.5 μm C = 3x 108 m/s v = 3x 108 ms-1…

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

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Q: For the following r appropriate ( & =0 Nail CHLOH OCH 90, 8,50, NBS

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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: How are compounds I and II related? HO CH₂CH3 I CI VS Select one: O A. Diastereomers HO E.…

A: How are compounds I and II related? Select one: A. Diastereomers B. Identical compounds C.…

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: 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: Which statement is NOT true?     During the corrosion, metal cations transform into metal atoms.…

A: Corrosion is a process in which a metal surface gets destroyed by converting it to oxidized…

Q: Suppose that 40.0 mL of 0.100 M NaOH(aq) is added to 10.0 mL of 0.200 M Cu(NO3)2(aq). (a) Write the…

A: (a) The chemical equation for the precipitation reaction is:   Cu(NO3)2(aq) + 2NaOH(aq) ->…

Q: Reaction 2. ΜΟΜΟ Heat Give the product and discuss the torquoselectivity of the following…

A: According to the concept , we have to match the symmetry of frontier molecular orbitals of reactant…

Q: Calculate the amount of grams of NH3 that can be made if 4.00 g of H₂ are completely consumed…

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Q: Which of these acids is the strongest given these K₂ values ? Acid A, K₂ = 0.00054 - Acid B, K₂ =…

A: Given , the ka values we have to determine which acid is strongest

Q: What is the concentration of tin ion in the anode if the Ecell for this reaction is 0.899 V and the…

A: Recall the given redox reaction,                                  2 Ag+ aq  +  Sn s  →  Sn2+ aq  +…

Q: magnesium + silver nitrate

A: Since, Balanced reaction means that both side number of atom present in equal number. Thus,

Q: Give to all parts?   (a) Give the complete mechanism for the reaction of trans-2-butene with Br2…

A: In the reaction of alkene with Br2/H2O, the major product is halohydrin.

Q: 3. The reaction that occurred in the first fusion bomb was Li+ proton---X+a. Write the complete…

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Q: T III ion 1 ion 2 on 3 on 4 ion 5 ion 6 ion 7 ion 8 ion 9 ion 11 ion 12 on 13 on 14 on 15 ion 16…

A: We have to calculate standard enthalpy of reaction.

Q: A voltaic cell was constructed based on the two reactions shown below: Reduction half reaction:…

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Q: Propane gas reacts with oxygen according to this balanced equation: C₂H₂ (8) + 5O₂ (8) →3 CO₂ (8) +…

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Q: : Questions [References] A buffer solution contains 0.348 M hydrocyanic acid (Ka = 4.00×10-10) and…

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

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Q: In the following reaction, identify the oxidizing and reducing agents. Cd + NiO2 + 2H2O →  Cd(OH)2…

A: Oxidizing agent :-  The chemical compound which oxidises other species and reduces itself during the…

Q: . (+) Chloramphenicol is a powerful antibiotic isolated in 1949 from the Streptomyces venezuelae…

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Q: For one mole of argon gas at 450 K and 1 atm, calculate the qtotal. The ground electronic state has…

A: Given that: Number of moles of argon gas = 1 mol Temperature = 450 K Pressure = 1 atm Degeneracy of…

Q: 5.55 mL is taken from a stock solution of concentration 2.00 M and added to a 25.0 mL volumetric…

A: we have to calculate the new concentration of the solution

Q: One statement is not true regarding the determination of pKa of Bromothymol Blue indicator by…

A: A. The absorption spectrum is obtained by measuring the amount of radiation absorbed by the sample…

Q: For the synthesis of maroon dye, Taylor needs to use a primary amine with a pH between 3.00 and 4.00…

A: Anilinium chloride is a salt of a base (aniline) and a strong acid (HCl). pH of an aqueous solution…

Q: CH3 H₂C-N-CH₂-C-CH₂- CH3 OH The reason that this compound is required in the diet of humans is that…

A: The given structure is of L- carnitine .or levo carnitine .

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: Complete the table and propose a structure

A: The splitting of 1H-nmr follows (n+1) rule, where n = the number of adjacent hydrogens. If, n=0,…

Q: 4. The following data were obtained for the hypothetical reaction 2A + B → products. [A] 0.2 0.2 0.6…

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Q: fter preparing the citrate buffer, Vegas and Pete determined the buffer capacity of the solution by…

A: Given buffer is 50.0 mL of Citrate buffer. Buffer is a solution that resists the change in pH upon…

Q: to a 34 3

A: IHD = (2C + 2 + N - X - H)/2 Where, C = number of carbon atoms; N = number of nitrogen atoms; X =…

Q: In an electrochemical cell, Q = 4.0 and K = 0.07. What can you conclude about Ecell and E°cell?

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Q: You are making a galvanic cell using the following half reactions AgI(s) +eAg(s) + (aq) E= -0.15V…

A: This problem is based on electrochemistry and we will find the pH of the solution by using nernst…

Q: Calculate the binding energy per mole of nucleons for silver-107. The masses needed for this…

A: Given , Element : A47107g

Q: Which of the following is the strongest acid? Electronegativies: H = 2.2, Cl= 3.2, Br = 2.9, F = 4.0…

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Q: 12. Consider the following chemical reaction: Ca3P2(s) + 6H₂O (1) ---------> 2PH3(g) + 3Ca(OH)2(aq)…

A: We are given a chemical reaction, Ca3P2 + 6H2O ------> 3Ca(OH)2 + 2PH3 Also we have, 2.72 g of…

Q: Calcium oxide can decompose into calcium and oxygen according to 2CaO(s)-2Ca(s) + O2(g) Calculate…

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Q: A scientist needed to determine the concentration of a sodium hydroxide solution. To do this, they…

A: 1) Given :-    Average volume of Acid (Titer) = ?  -------------------------------------------

Q: Rank the following compounds in order of their acidity. Дома но ůů ii HO iv V

A: (i) Ester (ii) diketone  (iii) alcohol (iv) acid (v) ether

Q: 1. What is the pH of a 0.356 M solution of NaOH? A) 13.551 B) 0.356 C) 7.000 D) 0.452 E) 13.674

A: Given Concentration of NaOH = 0.356 M We need to determine the pH of the solution.

Q: Visited Learning Science 00:00 University of BRISTOL 00:00 View Transcript Do not force the pipet…

A: The formula of dilution is  M1V1 = M2V2 Where, M1 and M2 are Molarities of stock and diluted…

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: 39. When compared to the keto form, the enol form of which of the following compounds is most…

A: There are 3 multiple choice questions based on  organic reaction mechanism organic reaction…

Q: A container whose volume is V contains an equilibrium mixture that consits of 2mol each of PCl5,…

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Q: Which of the following is true when preparing solutions? a. Make sure that the solvent and reagents…

A: A question based on analytical process. Four statements regarding solution preparation are…

Q: write the equation and mechanism for the synthesis of dibenzalaceton

A: Two moles of acetone and 2 moles of benzaldehyde reacts under aldol condensation reaction conditions…

Q: Which of the following is true in the determination of calcium hydroxide’s solubility and Ksp?  a.…

A: Answer:- This question is answered by using the simple concept of solubility of ionic compounds…