190.20 190 180 159.87 170 160 136.49 134.29 132.21 128.70 - 150 140 130 120 113.85 110 100 90 80 70 60 55.29 50 40 28.50 30 23.00 20 ppm

Q: What is the volume of a Stock 2M Tris solution needed to prepare 600 ml of150 mM Tris?

A: Given M1 (stock)  = 2 M  = 2000 mM M2 = 150mM V2 = 600 ml To find  V1 (stock)

Q: weight % Pb (in galena)

A: To calculate weight % Pb (in galena).

Q: Calcium hydride, Car, reacts with water to for Rydge Cay()+ 2 H₂00-Ca(OH))+2 M₂) This reaction is…

A: Given that, calcium hydride (CaH2) reacts with water to produce hydrogen gas. The reaction is CaH2s…

Q: Which of the following statements is always true for a spontaneous process? AS sur 20 AG0 ASuni 20…

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Q: Consider the cell Fe(s) FeSO4(ag) HgSO4(s) Hg(1) (b) Write the half-cell reactions and the full cell…

A: Given cell  Fe(s)|FeSO4(aq)|Hg2SO4(s)|Hg(l)

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Q: The equilibrium constant for the following reaction: H₂(g) + Br₂(g) → 2HBr (9) is 1.60 x 103 at a…

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Q: Determine the mass of precipitate, in grams, that forms when 81.9 mL of 0.0609 M Ba(ClO4)2 reacts…

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Q: 1. Consider the following: Zn²+2e-→ Zn -0.76 V Cr²+2e- Cr -0.91 V What is the Standard cell…

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Q: Se + Cr(OH)3 → Cr + SeO32−(Basic) For the redox reaction shown above, determine which of the…

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Q: Small amounts of oxygen gas can be produced in the laboratory by heating potassium chlorate, KClO3.…

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Q: Suppose 97.4 mL of a 0.161 M solution of Na₂SO4 reacts with 137 mL of a 0.307 M solution of MgCl, to…

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Q: NOHCO₂ (0)4 Na₂CO₂ (s)+ H₂O (9)+. CO₂ h of the five types of chemical reactions does the equation…

A: NaHCO3(s) -----> Na2CO3(s) + H2O(g) + CO2(g)

Q: What are the chemical shifts below

A: Chemical shift is calculated by dividing the observed shift from TMS in hertz by the spectrometer…

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Q: It takes 242. kJ/mol to break a chlorine-chlorine single bond. Calculate the maximum wavelength of…

A: Given, the amount of energy required to break a chlorine-chlorine single bond = 242 kJ/mol We have…

Q: 3. Determine the structure for C6H₁1Br, based on the proton NMR spectrum shown. Two peaks: each is a…

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Q: For the reaction 2HBr(g) + Cl₂(g) → 2HCl(g) + Br2 (g) ΔΗ° - 81.1 kJ and AS⁰ - 1.20 J/K The…

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Q: In a saturated hydrogen sulfide solution, [H₂S] = 0.1 M at 20°C Calculate the maximum solubility…

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Q: A certain metal M forms a soluble sulfate salt M₂(SO4)3. Suppose the left half cell of a galvanic…

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Q: 5. Draw the molecular-level picture that shows the particles present in water when each of th…

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Q: 5. Draw the most stable chair conformation of the cyclohexanes below. Also, assign R/S to each…

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Q: 20 Which chemical reaction will happen? A. Mn(s) + H₂SO4(q) → B. Cus)+FeBr3(aq) → Consider the…

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Q: Consider the following balanced chemical equation:    4KO2(s) + 2H2O(l)  →  4KOH(s) + 3O2(g)…

A: 4KO2(s) + 2H2O(l)  →  4KOH(s) + 3O2(g) Given Mass of KO2 = 47.1 g  Given Mass of H2O = 47.1 g  Molar…

Q: The enthalpy change for the reaction given below is -2035 kJ. What is the thermochemical equation…

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Q: Direction: Solve for the standard Gibbs Free Energy of the following problems and show complete…

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Q: Н

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A: Given , Ideal gas equation : P=nRTV

Q: Determine the energy, in J, of a photon with a wavelength of 347 nm. (h = 6.626 × 10-³4 J •s and c =…

A: Well, we have to use Planck's equation  E=hv=h×cλwhere h=6.626×10-34J.sv=Frequency(s-1) c=speed of…

Q: Identical steel balls are dropped into beakers filled with two different liquids: 1°1 1 Liquid A…

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Q: Draw the product formed by the reaction of t-butoxide with (1R,2S)-1-bromo-2-methyl-1-phenylbutane.…

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Q: At 2590 °C the equilibrium constant for the reaction: 2 BrCl(g) Br₂(g) + Cl₂(g) is Kp = 0.836. If…

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Q: 17. A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M Ca(OH)2 in a large…

A: A solution of 75.0 mL of 3.20 M HNO3 was mixed with 50.0 mL of 2.00 M CaOH2 solution .The…

Q: Calculate the standard Gibbs free energy changes at 25 °C for each of the reactions shown below…

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Q: For each of the following reactions, balance the chemical equation, calculate the emf, and calculate…

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Q: We place 0.655 mol of a weak acid, HA, and 11.4 g of NaOH in enough water to produce 1.00 L of…

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Q: -71 Which of the following ionic compounds will be more soluble in acid solution than in water: (a)…

A: Base donates hydroxyl ions (OH-) and reacts with acid to form water soluble salt and water.

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Q: It takes 151. kJ/mol to break an iodine-iodine single bond. Calculate the maximum wavelength of…

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Q: Give the electron-domain and molecular geometries for the following molecules and ions. Give the…

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Q: (a) Water is added to the cathode compartment, diluting the solution> ___The positive cell emf…

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Q: (a) Calculate the percent ionization of 0.00190 M hypochlorous acid (K₂ = 3e-08). % ionization = %…

A: Answer:- This question is answered by using the simple concept of calculation of percentage…