What will be the cell voltage of the reaction if all species are 1 M in concentration: Pb(s) + 2H+ (aq) = Pb²+ + H₂(g) Eox of Pb/Pb²+ = +0.26 V

Q: Question 15 What is the purpose of the salt bridge in a voltaic cell? A It blocks the flow of…

A: There are two types of electrochemical cell-  1- electrolytic cell  2- galvanic cell

Q: Which of the following is not a correct mass of one sodium atom? a) 23 amu b) 23 g c) 3.82x10-23 kg…

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Q: Calculate the maximum cell potential under these conditions. Show your work. Ecell = (round to 2…

A: we have to calculate Ecell

Q: From the following list of aqueous solutions and water: Select the one with the highest boiling…

A: we have to calculate freezing point of sucrose solution  and find the solution with highest boiling…

Q: For a certain reaction, a plot of ln [A] vs. time gives a straight line with a slope of -1.46 s -1…

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Q: Describes how the Covid-19 virus can spread rapidly in an aircraft cabin using appropriate gas laws.

A: The COVID-19 pandemic is one of the most significant worldwide health and financial crises in modern…

Q: A sample of pentanol, C5H120, contains 1.69 mol of the compound. Determine the amount (in mol) of…

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Q: Exercise: I. Assign oxidation state to the underlined element. 1) Cl2 2) SO2 3) K₂02 4) Cr₂07-2 5)…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: Explain how the different types of isomers you have given affects and properties of the listed…

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Q: npleted 25 out of 36 Submit on 8 of 36 A sample of an ideal gas has a volume of 3.80 L at 12.60 °C…

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Q: 9. Given that Agl would precipitate first than AgCl in a solution containing equimolar…

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.

Q: 2. Ate Shawol and Concertina performed electrolysis to determine the identity of an unknown metal X.…

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Q: I. Assign oxidation state to the underlined element. 1) Cl₂ 2) SO2 3) K₂02 4) Cr₂07-2 5) Na2O₂ 6)…

A: Given compounds: NaN3 CH4 Fe2O3 We have to find the oxidation states of the underlined elements.…

Q: What is the value of the equilibrium constant, K, for the given reaction? Express the answer in…

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Q: 2. A water tank contains 7.50 x 10³g water. Will the addition of 1.20 x 10³g ethylene glycol(C₂H6O₂)…

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Q: Give the major force between acetone and chloroform.         dipole-dipole         dispersion…

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Q: R2. Ground State Term Symbols. Determine the ground state term symbols of the (i) F atomic cation.…

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Q: Q4. Draw the molecular diagram of given compounds and predict the bond order and comment on whether…

A: The molecular diagram is used in terms of the basis of molecular orbital theory. This approach…

Q: Which of the following binding constants has the highest affinity?

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Q: Methane-producing bacteria convert liquid acetic acid (CH3CO₂H) into CO₂(g) and CH₂(g). AS° ΔΗ, Ο…

A: CH3COOH(l) = CO2(g) + CH4(g) ∆H0rxn = ∆H0f(product) -∆H0f(reactant)             = ∆H0f(CH4 +CO2) -…

Q: Valence electrons are a. not associated with a particular atom b. in various orbits around the…

A: Valence electrons are ?

Q: A reaction occurs via the following sequence of elementary steps. What is the rate law based on this…

A: Given information : 1 st step: A + B --> 2C + D slow 2 nd step: C --> E fast 3 rd step: D…

Q: 4. Calculate the equilibrium concentrations of hydrogen & and iodine that result when 0.050mol HI is…

A: Equilibrium constant KC is the ratio of the concentrations of the products to that of the reactants…

Q: Calcium citrate (Ca3(C6H507)2: MM = 498.46 g/mol), a common food preservative, has a Ksp of 1.12 x…

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Q: Give the overall balanced equation. Assume that all concentrations are 1.0M and that all partial…

A: In a balanced chemical reaction atoms of each element on the reactant side and product side must be…

Q: From the following list of aqueous solutions and water: Select the one with the highest boiling…

A: we have to select the solution with  highest boiling point lowest freezing point

Q: A sample of chlorine gas (Cl₂) is confined in a 5.0L container at 28 torr and 27°C. How many mols of…

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Q: After preparing the buffer, Joey decided to determine the buffer capacity of the solution by…

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Q: Which of the following is an incorrect set of quantum numbers? a) n = 1, 1 = 0, m₁ = 0, ms=+1/2 b)…

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Q: 2. Phoebe was tasked to ensure that an enzyme responsible for keeping her species from extinction…

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Q: Assume a 1.2 kg sample of a compound contains 0.9 kg of carbon. to one decimal place there are how…

A: Given 1.2 Kg of a compound contains 0.9 Kg of carbon, C.

Q: Identify the product of the following reaction with hydrogen halide. HCI a CH₂Cl2

A: This is an Addition reaction. Addition of HCl to alkene gives alkyl chloride. This reaction follow…

Q: Question 4 Calculate the density of CaO. Given: Ionic radii: Rea² = 0.106 nm; Ro² = 0.132 nm Molar…

A: Formula for thia is, Density = (Mass*No of atoms per unit-call)/(edge-length)3

Q: explain the results of this experimet Table 2   Absorbance vs CoCl2 concentration   Test Tube…

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Q: Carbon-14 has a half-life of 5720 years and this is a first order reaction. If a piece of wood has…

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Q: Was there an attraction or repulsion between the plastic ruler and the aluminum foil (ball)? Why?

A: We have to write if there was attraction or repulsion between the plastic ruler and the aluminum…

Q: 6. Give the IUPAC name for the following compound. H₂C CH₂ CHCHỊCH, CH3 CH3 CH₂

A: We have to give the IUPAC name of the given compound.

Q: None of these are the correct answers. Can it be solved again?

A: KNO2 is a basic salt and H2SO4 is a strong acid. An acid base reaction results in the formation of…

Q: Determine the molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7…

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Q: Which of the following would be expected to have the highest solubility in water! Η Η | I H-C-C-O-H…

A: Introduction :-  Lower Alcohols are highly soluble in water.  H2S is moderately soluble in water.…

Q: What is the pH of a solution that has an [OH-] of a 7.3 x 10^-9 M?

A: Given, Concentration of the OH- ion = [OH-] = 7.3 x 10-9 M pH of the solution = ? The formula used…

Q: Can this be solved again? I am unclear on the answer

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Q: The structure shown here is best described as a(n) CH3 H H H₂N N -OH H3C H HH OH CH3 O zwitterion O…

A: Correct answer is - Option D, Tetrapeptide

Q: For the reaction H2(g) + 1/2 O2(g) → H2O(g)         ΔrH° = -241.8 kJ/mol,   what mass of H2(g) is…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: 5A.2 Convert the following to skeletal structures and determine the IUPAC name. a) b) c) H H₂CH-CH3…

A: Dear student, since the given question is a multipart question,hence I solved first three subaparts…

Q: For the following reaction H+ (2 moles) a) Propose a reaction mechanism and indicate the IUPAC…

A: #(a): The given alkene undergoes addition reaction in presence of H+. The reaction proceeds via the…

Q: In Sections 1-7 and 1-9, we considered the electronic structure of [CH₂NH₂]. Predict its…

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Q: A + B → products Initial concentration (mol/L) Initial rate Experiment A B (mol L-¹ min¹¹) 1 1.50…

A: Rate of reaction is change in concentration with respect to time.  aA + bB →cC  For above reaction…

Q: Give the product for the following reaction CH3 OH CH3 H₂SO4/PCC → (a) (b) (c) (d) CH3 CH3 CH3- CH3…

A: Organic reactions are those in which organic reactant react to form organic products.

Q: In step 1, we found that there are 3.25 moles of ethanol present in the 1.00 L of solution. The…

A: Given, Moles of ethanol=3.25 moles  Volume=1.00 L  Molar mass of ethanol=46.07 g mol-1 Mass of…