A voltaic cell has which of the ff:   I . an equilibrium constant greater than 1 ii/ a negative free energy change iii. all of the above iv. a positive cell potential

Q: At a certain temperature the rate of this reaction is first order in H₂PO4 with a rate constant of…

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Q: Example 5. Give the number of unpaired electrons in the fol- lowing: (i) Cr²+ (Z = 24) (iii) Mn²+ (Z…

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Q: You want 85 g of KOH to be dissolved in 1.5 liter of solution. What is the normality of the…

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A: 1. Acetylene on reaction with NaNH2 and methyl iodide produces methyl acetylene. Methylacetylene on…

Q: Example 6. Why does Mn(II) show maximum paramagnetic character amongst the bivalent ions of the…

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Q: 3. What is the molar mass of a binary ionic compound (dissociates into a single cation and a single…

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Q: For the following structure, which of the disconnections (A-D) is likely to be the best option? a) -…

A: To explain which of the given disconnections would be the best choice.

Q: (29) Which of the following nuclei decay by of decay ? Explain

A: β-10 decay occur in the nucleus with a high number of neutrons and β+10 decay occurs for the nuclei…

Q: c. Describe the coupling pattern (i.e. doublet, triplet, doublet of doublets, etc.) for the peak at…

A: Solutions- Coupling pattern is the doublet, triplet,   the 1H NMR spectrum was obtained on a 300 MHz…

Q: Write balanced reaction equations for both acid hydrolysis reactions of the weak diprotic acid 8-…

A: The acid given is,

Q: The free energy change for the following reaction at 25 °C, when [Hg2+] = 1.19 M and [Zn²+] =…

A: Answer: Relation between Gibbs free energy change and cell potential is shown below: ∆G=-nFEcell…

Q: Find the AH for the reaction below, given the following reactions and subsequent AH values:

A: First equation multiply by 2 so: 2OF2 + 2H2O ------------ 2O2 + 4HF Opposite the Second equation:…

Q: please answer a-e Consider the diatomic cation NF2+. Draw the MO diagram and answer the following…

A: NF2+  = total number of electron = 14 We have to determine the electronic configuration of NF2+…

Q: 2. Describe the underlying principles behind the complexometric determination of water hardness.…

A: Water is pure when nothing is added to it, but it becomes hard when the calcium and magnesium ions…

Q: Consider the reaction: N₂(g) + 20₂(g)→→2NO₂(g) Using standard thermodynamic data at 298K, calculate…

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Q: For the following reaction, 15.9 grams of chlorine gas are allowed to react with 7.20 grams of…

A: Mass of chlorine = 15.9 g Mass of water = 7.20 g Molar mass of Chlorine = 70.90 g/mol Molar mass of…

Q: Please help me how to get this answer form this reaction. Can you show step by step and explain.

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Q: For the aqueous [Co(NH₂) complex K = 1.58 × 10³5 at 25 °C. 3+ Suppose equal volumes of 0.0012 M Co…

A: Answer: 3.7×10^-37 M

Q: What is the molality of a solution composed of 3.25 g methanol (CH3OH) and 250 mL of water?

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Q: Why can monosaccharides and disaccharides can be identified using the osazone test?

A: Phenylhydrazine reacts with Aldoses and ketoses to form osazone. Carbohydrates having aldehyde and…

Q: The C=O double bond is polar, with a dipole moment of 1.0 Debye. Do you expect CO2 to be a polar…

A: Given,  The C=O double bond is polar, with a dipole moment of 1.0 Debye. Do you expect CO2 to be a…

Q: What molecular shape do you predict for ammonia?

A: Detail description is given below

Q: a. Complete the table below to show the number of bonds broken and formed. Bonds broken number…

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Q: Fill in the molecular orbitals for the F2 molecule.  What is the bond order for the F2 molecule?

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Q: GMU 737664 What is the expected product A for the following intramolecular aldol reaction? O CH3 O…

A: In this question we have to tell the product of the reaction.

Q: Which bond is not considered a glycosidic bond? Between an anomeric carbon and an alcohol oxygen.…

A: We are to discuss which of the given bonds is not an example of glycosidic bond.

Q: Eight replicate measurements were made on a test solution producing the following results for the…

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Q: The pH of a 0.64M solution of acrylic acid (HC3H₂CO₂) is measured to be 2.22. Calculate the acid…

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Q: Which of the following is not a feature of the Nickel - Cadmium (Nicad) Cell? O a. During discharge,…

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Q: MCQ - Line Structure The following 7 questions refer to the compound I HO O -NH₂ III O II 1. What is…

A: Organic compounds can be defined as the compounds containing carbon and hydrogen atoms.

Q: Br- (aq) + MnO4 (aq) H+ (aq) 2+ → BrO3(aq) + Mn²+ (aq)

A: MnO4- ------------ Mn+2 + 4H2O MnO4- + 8H+ --------------------- Mn+2 + 4H2O MnO4- + 8H+ + 5e-…

Q: Consider this reaction involving an unknown element X. F₂ + 2XBr Br₂ + 2XF When 2.600 g of XBr…

A: Given: Mass of XBr = 2.600 g Mass of Br2 = 1.746 g Known: Molar mass of Br = 79.904 g/mol

Q: Is it advantageous or disadvantageous for a pathogen to deadly. a. It is advantageous. b. It is…

A: We are to discuss if it is advantageous or disadvantageous for pathogen to be deadly.

Q: Which one of the following processes produces a decrease in the entropy of the  system?  A. boiling…

A: 4) A. boiling water to form steam  There is increase in entropy in this process.

Q: Problem 4: Given the following reactions and their enthalpy changes, calculate the enthalpy change…

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Q: An allylic free radical halogenation occurs to give the major product shown. Note NBS is a source of…

A: Detail mechanistic pathway is given below

Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

A: Given :  Mass of Fe = 6.39 gm  4Fe + 3O2 -----> 2Fe2O3.      ∆H = -1625 KJ

Q: НО Brz Br En

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Q: C. COMPARING FUELS: A student wanted to compare the energy released when different fuels burned. To…

A: A) When 1 g fuel was taken Fuel Temperature at the start in 0C ( T1) Temperature at the end in 0C…

Q: mine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. ical Equation: S + O2 +…

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Q: Calculate the concentration of an HCI solution if 100.0 mL of the HCI required 33.00 mL of 0.2000 M…

A: Here we are to required to find the concentration of HCl solution.

Q: The prevailing atmospheric pressure on a plateau in Colorado is 0.698 atm. Express this pressure in…

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Q: CI

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Q: Give the mechanasim Br₂ ccty HBr H₂02 НВО C

A: Reaction 1 : Br2 addition to alkenes produces trans -1,2-dibromo compound. Reaction 2 : HBr addition…

Q: Provide Major products H13C- C-ce + Na Br 12 Aldol addition of XS H3C-CH₂-C-H + -OH

A: ->NaBr has Br- nucleophile hence , it give nucleophilic addition elimination reaction. ->In…

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

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Q: Calculate AG and K at 25°C for the reactions. a. 7H₂O + 2 Cr³+ + 3 Cl₂ ⇒ Cr₂O7²- + 6 Cl¯ + 14H+ εº…

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Q: if 34.1g of Nal (MM= 149.89g/mol) are added to a 500.0mL volumetric flask, and water is added to…

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Q: The reduction of aluminum ions occurs as: Al³+ (aq) + 3e → Al(s) After applying a certain amount of…

A: " Since you have posted a question with multiple sub-parts , we will solve first three sub-parts for…

Q: Reduction occurs at the ______ in a voltaic cell and reduction occurs at the O a. anode; anode O b.…

A: Reduction occur at cathode in both voltaic and electrolytic cell