At 425 nm a 1.2 x 10-3 M solution of compound Q has Absorbance = 0.879. Another solution of Q is prepared by diluting 25.00 mL of the 1.2 x 10-3 M Q to a total volume of 100.00 mL. What is the Absorbance of the new solution at 425 nm?

Q: The redox potential is measured in volts amperes O joules O ohms

A: Redox potential is also known as oxidation-reduction potential (ORP)

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A: We have to predict the moles of Salt.

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Q: (a) A galvanic cell consisting of a Cd electrode dipping into a 1.0 M CdCl2 solution and a Pt…

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Q: Determine the mass, in kg, of HgO that must decompose to form 70.4 LO2 gas at STP. 2H9O(s) 2Hg() +…

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Q: ОН + H2O

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Q: 1. what mass in grams of ethylene glycol, C2H602, is needed to lower the capor pressure of water…

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Q: (Q56) Consider yttrium iodate, yttrium fluoride, lanthanum iodate, and gallium (III) hydroxide:…

A:

Q: For the following unbalanced reaction: C2H2(g) + O2(g) → CO2(g) + H2O(l) a. Write the formation…

A: ∆H°f (C2H2) = 227.4 KJ/mole ∆H°f(CO2) = 393.5 KJ/mole ∆H°f (H2O) = 285.8 KJ/mole

Q: Calculate the mass, in grams, of 422 atoms of potassium, K (1 mol of K has a mass of 39.10 g).

A: Given data, Mass of 1 mol of K = 39.10 g Since, 1 mole contains = 6.023×10+23 atoms So, Mass of…

Q: Whenever a substance is oxidized, some other substance must be reduced. O it is called the oxidizing…

A: oxidation = lose of electrons  reduction = gain of electrons

Q: Problem 1. Draw and name the products by hybrid orbitals from the below reaction. HCl

A: As per the rules only the first can be answered.

Q: CH,OH CH HạC. HO CIH H,00 OCH, CH, OCH, CH3 HO. II. IV.

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Q: 11. What is the wavelength of light that has a frequency of 14 7.89 ¥ 10 sec? Express the answer in…

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Q: The mobile phase is also known as: a. Eluate b. Eluant c. Solvent

A:

Q: 4. What is the form of the total vibrational partition function for a polyatomic molecule

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Q: Q59) What is the difference between the C-H bond that exists in methane (CH4) versus the ponding…

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Q: For the reaction: CuS(s) + H2(g) = H2S(g) + Cu(s) Use the following data, to calculate Kp (at 798 K)…

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Q: Solution of ethanol in water was found to be 35.9% ethanol by mass. What is the molarity and  mole…

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Q: The Ksp of Cul is 1.3 x 10-12. What is the solubility of Cul, in 0.10 M Nal? Please express your…

A: Given: Concentration of NaI = 0.10 M And Ksp of CuI = 1.3 × 10-12

Q: For the following reaction: 2 C2H2(g) + 5 O2(g) → 4 CO2(g) + 2 H2O(l) a. Write the formation…

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Q: 5. Complete the following synthesis of the natural product mycophenolic acid. B. TMSCI OAc pyridine…

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Q: One type of battery that has been investigated for use in electric vehicles is the zinc/air cell.…

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Q: This structure will form when a hydroxyl group form a bond with a carbonyl group. a.Aldehyde…

A: Organic compounds having -HC=O functional group are called aldehydes  Organic compounds having -OH…

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A:

Q: Write the word equations as chemical equations and balance them. Label the reactants and the…

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Q: The rate constant k for a certain reaction is measured at two different temperatures: temperature…

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Q: Predict the approximate chemical shifts that would exhibit the signals in the following compounds.…

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Q: ST6D.3 - Given one billion collisions, how many collisions have sufficient energy to cause a…

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Q: Calculate the total amount of energy in units of kJ for 0.345 moles of 567 nm photons.

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Q: 1) t-BUOK 2) NBS, hv Br 'N, 1 R 2.

A: Reaction : E2 elimination of alkyl iodide. Reaction 2 : Allylic bromination using NBS.

Q: Determine the number of moles of cesium in 50.0 g of cesium.

A:

Q: e electron-domain geometries for the the words in the left column to the

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Q: If allowed to run undisturbed, how will the potential of a concentration cell change over time? It…

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A:

Q: vLewis structure

A:

Q: Consider a galvanic cell created from the following redox reaction: 3Zn (s) + 2Au3+ (aq) → 3Zn2+…

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Q: . Convert the 1.0% T to absorbance:

A:

Q: How does the Hollow Cathode Lamp work during the quantitative analysis of Iron (Fe) in Atomic…

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Q: Which of the oxidation numbers below is not utilized for sulfur in the following molecules/ions:…

A: The oxidation state of S in Na2S is -2 SO42- is +6 S8 is 0 SBr2 is +2 K2SO3 is +4

Q: In each of the examples below select the choices which are correct sets of values for n, I, and m,…

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Q: Please write a full lab report for Grignard reaction which includes Abstract, Introduction,…

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Q: 21. calculate the H+ in M for 0.620 M C2H5NH3Cl solution. Kb for solution is 5.60•10^-4 Please do…

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Q: Enter the solubility expression for Mg3(PO4)2(s).

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Q: A. Calculate the molar solubility of CaF2 in a 0.1450 M cesium fluoride, CsF Solubility = | M B.…

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.