What would be the electrochemical notation for the redox reaction below? Zn (s) + Cr3+ (aq) → Zn2+ (aq) + Cr (s) E° = 0.0218 V

Q: A generic salt, AB3, has a molar mass of 231 g/mol and a solubility of 8.40 g/L at 25 °C. What is…

A: Recall the expression of dissociation for a generic salt AB3           AB3s ↔ A3+aq + 3B-aq Given…

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A: A solution can be classified as acidic, basic, and neutral on the basis of the values pH. For an…

Q: A chemist assembles the following electrochemical cell. One side of the cell contains a zinc…

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Q: C10H120 LOD 4000 3000 2000 1000 MAVENUIEEMI- DOST INSHITTENCEI

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Q: Data Sheet: Investigation of Nickel and Copper Coordination Complexes Part B: The Coordination…

A: Solution- mass of Ni(NO3)2.6H2O = 2.3429 g/mol, Volume of deionized water = 45.4 ml.

Q: 1. Calculate the amount of heat energy associated with 125 g of ice at 0°C turning into water at…

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

Q: mass of water

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Q: During your lab titration of Q12*: At what pH has 50% of the reactant acid been titrated? Report…

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Q: B. Reaction Rate and Concentration Concentration of H2C2O4 (M) | Time for permanganate ion to…

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Q: determine the enthalpy change for each of the reactions: (It is necessary to draw Lewis structures…

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Q: Henderson-Hasselbalch equation

A: Given: If a weak acid-base solution is 100% in its conjugate acid form, can the…

Q: 8. Which functional group is not found in mono- or polysaccharides? A. ketone B. aldehyde C. acetal…

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Q: Balance each of the redox reactions for the conditions stated Label the oxidizing agent and the…

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Q: After balancing the following redox reaction in basic solution, what is the coefficient of…

A: The given redox reaction is as follows: CrO42- + S2- → Cr2O3 + S A redox reaction is balanced by…

Q: 2.44. Á water sample is known to contain 300 g/m’of casein (C,H„0,N2). Estimate the COD, BOD,, and…

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Q: 4000 000 VENUE 1000

A: IR spectra deals results from the interaction of infrared radiation with matter by absorption. IR…

Q: re 4. Initially, a mixture of o.200 M NO, o.100 M Hs, 0.200 M H.O was permitted to reach equilibrium…

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Q: oxidation half-reaction: reduction half-reaction:

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Q: At 25 °C, only 0.0280 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the ?sp of…

A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…

Q: он Le Carboxylic acid and ester Amine and carboxylic acid Carboxylic acid and ketone Ester and amine…

A: Different functional groups are, a) carboxylic acid group : R-COOH b) ester group : RCOOR' c) Amine…

Q: What is the hydronium ion concentration [H3O+] of sea water which has a pH of 8?

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Q: the height of basketball player Earvin "Magic" Johnson = 2.06 || the width of a football field = 48.…

A: Missing SI unit symbol are as follows

Q: SOLVE

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 123. kJ during a…

A: Given: The enthalpy of the mixture i.e. system is decreasing by 123 KJ. And the work done on the…

Q: C: Coordination Number Cu2+ Mass Cu(NO,)2 -3 H20 2.3366 grams Volume D.I. Water 57.0 mL Trial…

A: Given:

Q: Which of the following statements is not incorrect? * Benzene has a lower carbon-to- hydrogen ratio…

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Q: .CH 3 CM 3

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Q: a) Calculate the amount of energy released per gram from each type of food tested, based on the…

A: Solution- Data given-Mass of the food sample.

Q: What measurements or values will be needed to determine the molar mass of the unknown acid? mass of…

A: Answer: This question is based on the titration of acid and base where acid is the analyte and base…

Q: At 25 °C, only 0.0810 mol of the generic salt AB2 is soluble in 1.00 L of water. What is the ?sp of…

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Q: For the following reaction NO2(g) + SO2(g) NO(g) + SO3(g) K = 4.15 at a particular temperature. If…

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Q: What is the reason why electrons do not move from the s shell to the p shell in the elements?

A: Each electron in an element is associated with a shell of particular amount of energy . These shells…

Q: Is it singlet, doublet, triplet or Multipet? Cinnamic acid A Carboxylic acid and an alkene A peak…

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Q: Calculate the chemical formula of ester (include sodium ion).

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Q: 3) For the two level system with the energy indicated in the figure below, calculate (a) the…

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Q: A mass of 31.5 g of H20(g) at 373 Kis allowed to flow into 279 g of H2O(1) at 298 K and 1 atm Part A…

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Q: Determine the Ecell for the following reaction if the reaction contains 0.725 M Ni2+(aq) in one…

A: Given reaction is, Fe3+(aq) + Ni(s) →  Fe(s) + Ni2+(aq) Eo of the cell is 0.194 V We have to find…

Q: OH then

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: The formation constant* of [M(CN)6]4- is 2.50 × 1017, where M is a generic metal. A 0.160 mole…

A: Given: Moles of M(NO3)2 = 0.160 mol. Concentration of NaCN = 1.240 M And the volume of the solution…

Q: How many grams of CaF2 (molar mass = 78.077) will dissolve in 750 ml of 0.70 M NaF solution? The Ksp…

A: Given: Concentration of NaF = 0.70 M Volume of NaF solution = 750 mL = 0.750 L…

Q: DATA/CALCULATION SHEET NAME 1. crucible, cover, BaCl2 2H2O \$,2061 crucible and cover 14.0188g BaCl2…

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Q: In Wesvale, a small rural townin Maine, virtually all shopping and business is done in town. The…

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Q: 2. Complete the following equations for reactions of hydrocarbons. a. C̟H10 + O2 b. CH,-CH=CH, +…

A: In this question, we have to complete the following equation for the reaction of hydrocarbons.

Q: What mass of material will be deposited at the cathode when a current of 10.5 A is applied for 2.0…

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Q: 3. The reaction of bromine gas with chlorine gas, has a Ke value of 7.20 at 200°C. If a closed 2.50…

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Q: 2z (g) -----> A (g) + P(g) Kc = 2.16•10^-3 At 60°C if 0.270 mol/L of Z, A and P were all initially…

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Q: Determination of the Ionization Constant of a weak acid" Labratory  How would the calculated value…

A: (1) When we record a lower pH value than the real pH value, the concentration of H+ will be higher,…

Q: Where possible, classify these systems as reactant-favored or product-favored at 298 K. If the…

A: Given reactions: A(s) + 2B(g) ⇌ C(g), ∆H∘ = +271 kJ A(g) + B(g) ⇌ 3C(g), ∆H∘ = +388 kJ A(g) +2B(g) ⇌…

Q: ) Propose the possible substitution patterns for each of the derivatives based on the observed…

A: A) Based of splitting pattern, we can say that  Derivative 1 1CH2 = 2CHX The hydrogen of carbon(1)…

Q: re of 4 mol of H-(g) and 1.5 mol of Na(g) at 25°C and 1 atm or, a sample of 3 r at 25°C and 1 atm

A: A) Higher entropy  is 2 mol He gas at 150 °c and 0.2 atm pressure.  As temperature increases and…