To prepare 50 mL solutions of 0.1 M CuSO4 in water (calculation to prepare chemicals in spectrophotometer)

Q: If a 1 mL of HCl is equivalent to 1.5 mL of 0.25 N NaOH the volume of the alkali would be consumed…

A: At equivalence point Moles of NaOH = moles of HCl  For HCl and NaOH = N = M

Q: 5. Draw the structure of guanine and cytosine correctly indicating the hydrogen onding between them.

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Q: A river water sample was titrated against 0.0250 M EDTA to test its hardness. of 0.0250 M EDTA. A…

A: Here we have to determine the hard ness of river water in ppm  from the following given data from…

Q: A spherical object has a specific gravity of 4.05 and a radius of 1.16 cm. After this object is…

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Q: A 0.2500-g of dry CaCO3 was completely dissolved into a solution of 5-mL conc. HCl and 50-mL…

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Q: 2.a) Calculate the actual Concentration of Stock Solution (1) in ppm Na+. b) Calculate the Volume of…

A: Since you have asked multiple questions, we will solve first question (question-2) for you. For…

Q: Solve the following problems. Show your solution on a separate sheet of paper. Round off all final…

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Q: Calculate for the: 1. Frequency (in units of GigaHertz) for 3.50 mm light 2. Energy (in units of kJ)…

A: (1) Given that -  Light distance = 3.50 mm = 3.50/1000 m  Then, speed of light is -  c = 3×108 m/s…

Q: Write the complete mechanism with arrows of the following reaction. BI U Σ W A G

A: Pericyclic reaction occurs in presence of heat or light.

Q: Six 10.00 mL samples of raw milk were treated with 0, 5.00, 10.00, 15.00, 20.00, and 25.00 µg of…

A: a) The calibration method used is standard addition where we are adding Zn to each sample.

Q: Nitrox is a gas mixture containing additional oxygen, often used in scuba diving. A particular…

A: Given-> Oxygen by mass = 32.2 % Total pressure (P) = 1520 mmHg = 1520/760 atm P = 2 atm (1 atm =…

Q: For which one of these reactions will the values of KP and KC be equal? a.) 4NH₃ (g) + 3O₂ (g) ⇋…

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Q: 1. What is the nucleophile in the reaction? 2. The reaction above follows what mechanism? 3. What is…

A: It is the basic part of the reaction mechanism.  Here we have to be clear about the nucleophile,…

Q: 10.7. Nitrogen pentoxide reacts with nitric oxide in the gas phase according to the stoichiometric…

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Q: 10.38. The following data relate to an enzyme reaction. 10³[S]/mol dm³ 105 V/mol dm³ s-1 2.0 13 4.0…

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Q: . Suppose each pair below is mixed well. What comes out as the simplest example of liquid mixing? A.…

A: (A) 12 M sulfuric acid solution and 12 M sodium hydroxide solution -  We know that sulfuric acid is…

Q: Propose a curved arrow mechanism for ma making this product: H

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Q: 1. A solution is prepared by dissolving 4.00 g of NaOH in 100.00 g of water. The volume of the…

A: Given: Mass of NaOH = 4.00 g Mass of water = 100.00 g Volume of solution = 102.00 mL

Q: Given the following table of standard reduction potentials for a hypothetical element X under an…

A: Note- Dear student it is a mutipart questions, hence I solved first three questions according to…

Q: 10.5. The rate of formation of the product of a reaction is found to give a nonlinear Arrhenius…

A: The overall reaction we have is A+B→C+D It has been mentioned that the overall reaction is…

Q: 9. Balance the following equations: a. Al2(SO4)3 + b. Cl₂07 + C. HBr + NaOH H₂O- Ba(MnS2)2 Al(OH)3 +…

A: While balancing the reaction, mass and charge should be balanced in both side of reaction.

Q: 8. True or False (use your periodic table/data sheet when appropriate) a. A Geiger counter detects…

A: (a) A Geiger counter, measured the radiation when the radiation collides with gas molecules it…

Q: Differentiate AAS, AAS-Graphite, FES and ICP-MS

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Q: 28.5 g

A: Mass of 1 square inch of air =14.7 psi   1 psi =453.592 grams   14.7 psi=   =14.7 x 453.592   =…

Q: Consider (1R,3S)-3-methylcyclohexanol in its most stable conformation. Select the correct…

A: (1R,3S)-3-methylcyclohexanol

Q: C-NMR analysis of Benzil.

A: C-13 NMR OF Benzil

Q: 10.16. Calculate the maximum wavelength of the radiation ñat will bring about dissociation of a…

A: Answer 10.16

Q: At pH 4.0, the soil is largely saturated with this exchangeable cation. a) Aluminum…

A: PH 4 indicate soils are acidic. The acidity of soils is due to the presence of aluminum, Iron and…

Q: a) Define and write the expression of Kw for the dissociation of water (H2O). Kw is the…

A: expression of Kw for the dissociation of water (H2O). ph of KOH aq kw

Q: 8. An electric current is passed through a solution of Cobalt (II) nitrate using inert electrodes.…

A: Strongest oxidizing agent is the one which has the highest reduction potential while strongest…

Q: Provide the reagents necessary to carry out the following conversion. Br O 1. KOH; 2. Na2Cr207. 3.…

A: ->First of all there occur substitution reaction then Oxidation of alcohol give Carboxylic acid.…

Q: Is it possible to distinguish the following two molecules on the basis of HR- mass spectrometry?…

A: The mass spectrometry helps us to find the different fragments on basis of different cleavage.

Q: 2 C₂H₂(g) + 2 H₂O(g) → 2 C₂Hs(g) + O₂(g)

A: Kc  = [C2H6]2[O2] / [C2H4]2[H2O]2

Q: Label the conjugate acid-base pairs in each equation: 1. HI + NH3 NH4+ + I- 2. HPO4^2- + OH- PO4^3-…

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Q: If a 1 mL of HCl is equivalent to 1.5 mL of 0.25 N NaOH the volume of the alkali would be consumed…

A: Given :  1 ml of HCl is equivalent to 1.5 ml , 0.25 N NaOH solution.  Volume of acid = 30 ml

Q: 14.108 lodine is oxidized by nitric acid according to the following skeletal equation: I2 (s) +…

A: Unbalanced equation I2 (s) + NO3-  (aq)→HIO3 (aq) + NO2 (g)

Q: Ph H₂SO4 Ph SO₂H Producto minoritario SO₂H Producto mayoritario

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Q: How many MILLILITERS of lactic acid and GRAMS of sodium lactate must be added to 1L of water to…

A: Answer: Lactic acid is a weak acid and sodium lactate is its salt with strong base, therefore their…

Q: For an autocatalytic reaction: A →B+...... where -d[A]/dt = k[A][B]. Assume that [B]. #0 Letting [A]…

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Q: 6. Briefly identify the important differences between an alkene and an alkyne. How are they similar?…

A: Here we have to differentiate between alkene and alkyne. Also explain why alkyne do not show…

Q: What round of beta oxidation can the intermediate 3, 5, 8 dienoyl CoA be generated from linoleic…

A: The molecular formula of linoleic acid is: C18H32O2. Each round of beta oxidation produces one…

Q: 5. A 295 g sample of unknown metal is at an initial temperature of 13.00 °C absorbs 75.0 kJ. The…

A: 5. Given: Mass of metal = 295 g Initial temperature = 13.00oC Final temperature = 295oC Heat…

Q: Photochemistry and Radiation Chemistry 10.16. Calculate the maximum wavelength of the radiation at…

A: Maximum wavelength of radiation = λ = ? Dissociation energy = E = 390.4 kJ/ mole

Q: 4. Without consulting tables, arrange the following alkenes in order of increasing boiling point.

A: Boiling point of a compound can be defined as the temperature at which it starts boiling. There is a…

Q: HO-CH₂ H 1. OH 2. CH3(CH2)22 H₂N 3. H O H H CH₂OH H NH₂ O(CH₂)17CH3 H O C-N-C C H -0 4. 0 5. сно HIC…

A: Biomolecules can be defined as the compounds that are present in Living beings.

Q: What is the reduction half reaction for the chemical reaction in a basic solution CIO-(aq) +…

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Q: B. Tell which of the following species is the strongest oxidizing agent. With solution each Mg² Na.…

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Q: In the dreaded Zephyer galaxy there is a race of Fairies that have the ability to change their body…

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Q: Which of the statements most accurately describes the following electron configuration? 1L 1L O a.…

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Q: 3. Perform the following calculations and report your answers to the correct number of significan…

A: Dear student ,   since you have posted multiple questions we will allow to solve only first question…