A certain electrochemical cell has for its cell reaction: Zn + HgO → ZnO + Hg Which is the half-reaction occurring at the anode? At the cathode: Write each half-cell reaction and the net reaction with the potential difference for the cell. Show complete solution.

Q: Use the molar volume to calculate each of the following at STP.Calculate the number of moles of CO2 ...

A: STP means Standard Temperature and Pressure. Temperature is 00C or 273K and Pressure is 1 atm. Here ...

Q: Determine the unknown (Abs=0.812) if the absorption of the standard are the following: Standard 1, A...

A: The data of absorbance v/s concentrations is given. And the absorbance of the unknown sample given i...

Q: For the following reaction K = 30.0 2A(aq) -> B(aq) + C(aq) The initial concentration of A is 1.7 M ...

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Q: To which of the following reactions occurring at 25°C does the symbol AH° [H,0(1)] apply? A) B) C) D...

A: Given: Heat of formation of water i.e. H2O (l).  

Q: 13. Write down a mechanism for the following reaction with proper reagent(s). Br ?? Ph. Ph Ph Ph Ph

A: the mechanism would be:  

Q: What are the atomic term symbols for an electronic configuration of s2p?

A: Electronic configuration of an atom describes the arrangement of electrons in orbitals of an atom.

Q: The equilibrium constant for the gas-phase isomerization of borneol (C10H17OH) to its isomer isoborn...

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Q: 8. What is the product? .NH2 mild acid heat NH2 'N. NH2 `NH II III IV А) I B) П С) I D) IV

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Q: Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction...

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Q: The crystal structure of lead is FCC and its density is 11.36Mg/m^3. What is its lattice parameter a...

A: The FCC unit cell is the simplest repeating unit in a cubic close-packed structure which consists of...

Q: Which of the following cannot be a colloid? A. an emulsion B. an aerosol C. a homogeneous mixture D....

A: Given : We have to tell which of the following is not a colloid.

Q: Based on the following boiling point information, what compound has the weakest intermolecular force...

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Q: - Part A If the initial cyclopropane concetration is 0.0420 M, what is the cyclopropane concentratio...

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Q: An element was tested using a monochromatic radiation having a wavelength of 0.1970nm. The atom radi...

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Q: Decide if the following set of quantum numbers is permissible. If not, indicate which value is wrong...

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Q: as a laboratory analyst how can you reduce your waiting time during filtration

A: Filtration  is done so as to avoid The unwanted  side products .

Q: The integrated rate law allows chemists to predict the reactant concentration after a certain amount...

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Q: Lithium crystallizes in a bcc structure with an edge length of 3.509 Å. Calculate its density. What ...

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Q: The table below shows the electronic arrangements of four atoms. Atom Electronic arrangement P 2...

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Q: Based on the equations for today's reaction: 2 S2032- + 12 → S406² + 21- - 2 Cu2+ + 4 1¯ → 2 Cul (s)...

A: For the reaction ., 2S₂032- + I2 --->   S4O62- + 2I- 2Cu2+ + 4I-  ----> 2 Cul (s) + I₂

Q: the hormone estradiolhas a partition coefficient of 3.2 between 1-octanol and water. How many extrac...

A: In the given problem we have to provide the number of extraction required to achieve approximately 9...

Q: Predict the product for the following reaction. OH H2SO4 HO,

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Q: Write a balanced chemical equation, including physical state symbols, for the decomposition of liqui...

A: Chemical formula of Nitroglycerin:  C3H5(NO3)3  It is one of the powerful explosive that decomposes ...

Q: Considering the structure of the hydrocarbon test samples (benzene, cyclohexane, toluene, heptane, c...

A: Nitration is taking place in the presence of HNO3 and H2SO4. It will react with the compound which h...

Q: Enumerate the different apparatus that may be usec to determine melting point. If you were the chemi...

A: Answer - According to the question - We know that - Melting point - The melting point of a substance...

Q: Propose a reasonable structure based on the molecular formula, the H NMR, and the proton-decoupled 1...

A: Given, Formula of unknown compound = C7H16O

Q: Consider the reaction, B2cg+ 2NOcgZNC Initially anly reactants are pen LBrz]= 2IM and CNO] =3.2M. At...

A: Answer: This question is based on the stoichiometry of the reaction. Reactants will always react in ...

Q: Which of the following molecule (s) will give a positive FeCl3 test? Why? OH HO HO НО Но A B Salicyl...

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Q: When 4.76 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 24 °C, th...

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Q: Dětérminé thě ünknown (Abs-0.812 thế absorptión of štandard ärề thể following. Standard 1, Abs = 0.3...

A: The data of absorbance v/s concentrations is given. And the absorbance of the unknown sample given i...

Q: Predict the shape (molecular geometry) of the following molecules or ions by filling up the table be...

A: Lewis’s structure: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simpl...

Q: Complete the statement with the correct phrase: In diluting acid, Select the correct response.: eith...

A: We have to be very careful while adding acid in water.

Q: Fill in the blank using the following words: atom, atomic number, electron, proton, neutron, metal, ...

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Q: Give clear handwritten answer: Write the mass‐balance equations (two equations) for a solution conta...

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Q: For the following five reactions: (i) Cl− + AlCl3 → AlCl4− (ii) (CH3)3N + HCl → (CH3)3NHCl (iii) OH...

A: Given,  (i) Cl− + AlCl3 → AlCl4−(ii) (CH3)3N + HCl → (CH3)3NHCl(iii) OH− + H3O+ → 2H2O(iv) Co3+ + 6N...

Q: Consider the following test samples: A. heptane   D. toluene B. hexane   E. benzene C. hexene   ...

A: In the given question, the species possessing a reactive functionality will give this reaction, wher...

Q: Determine the limiting reactant (LR) and the mass (in g) of nitrogen that can be formed from 50.0 g ...

A: For the reaction., N₂O₂(l) + 2N₂H4(l)→ 3N₂(g) + 4H₂O(g) Mass of N₂O₂(l) = 50g Molar Mass of N₂O₂(l) ...

Q: Which of the following statements about a calcium ion are correct? (1)  It has the same number of e...

A: A question based on the structure of atoms that is to be accomplished.

Q: As much as 8 grams of NaOH (Mr = 40) is dissolved in water until the volume of the solution becomes ...

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Q: Be sure to specify st not needed leave it blank. When aqueous solutions of ammonium carbonate and ri...

A: Given : We have to write net ionic equation.

Q: 35 16 S, 8. 214 Bi 9. 83 + Y 27 10. Si 14 +1 ↑

A:

Q: True or False Diluting the solution by adding more solvent changes the moles of the solute present.

A: Diluting the solution by adding more solvent changes the moles of solute present : True / False 

Q: Adentity the productis) of the following reaction. 1. AMO,/N /hea 2. HHO 2 CO COOH 2 CO2 co2 COOH OH

A: Answer: This is reaction of the oxidation of alkyl side chain of benzene ring by the application of ...

Q: Calculate the amount of ferrous ammonium sulfate [Fe(NH­4)2(SO4)2•6H2O](MM = 392.14 g/mol) needed to...

A: In order to calculate the required strength of the solution, first of all calculate the amount of fe...

Q: A student ran the following reaction in the laboratory at 295 K: 2NOBr(g) 2NO(g) + Br2(g) When he ...

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Q: 7. What needs to be done to make the following reaction proceed? но OH A) Heat the reaction. B) Add ...

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Q: All of the following tubes are of equal length. The pressure at each end of the tubes are indicated ...

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Q: Can serve as an indicator for the argentometric determination of chloride, bromide and cyanide ions ...

A: Titration can be defined as a quantitative chemical analysis which is used to determine the concentr...

Q: with sides es of the

A: To find the Electric potential for the given cube.  

Q: Which compound changes the pH value of water the least? O H2CO3 O H3PO4

A: Given : We have to tell which compound changes the pH least .