sample of Uranium ore is estimated to have originally contained 805 mg of uranium-238. Analysis reveals the sample to currently contain 775 mg of uranium-238. What is its estimated age? Half-life of Uranium-238 is 4.468 x 10^9 yrs.

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Q: Q4) Name of the technique that is used for Standardization of sodiums bydroxide solution is   a)…

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Q: What is the chemical equation of hydrolysis of oil of wintergreen?

A: Given,  What is the chemical equation of hydrolysis of oil of wintergreen?

Q: True or False?: "one reason why the hydroiodic acid is a stronger acid than hydrobromic acid is…

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Q: Construct the titration curve for the titration of 26.0 mL of 0.100 M KOH with 0.0600 M HNO3

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Q: nearest 0.1 charge unit) the net charge on each amino acid when tho

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Q: 9. NH-acidic properties are shown by? A. Sulfacyl sodium B. Sodium barbital C. Theobromine D.…

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Q: Draw the curly arrow mechanism (including the products formed) for this hydrolysis. Make sure that…

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Q: What is the pH of a 0.2 M solution of each of the following (for this question, assume only the…

A: Given,  The pH of 0.2 M solution of H2CO3 NaOH NaNO3 is:

Q: *(e) CH;-CH;--u -ċ-CH2-CH3 CH;-CH2-Č--CH, 0-CH3 A В CH;-CH;-CH,-d_a CH3-CH,-CH,-Č-0 C-Cl…

A: Compound will be identified based on the characteristic peaks shown in the IR spectrum.

Q: moles of S ar

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Q: i) Chemical bonding involves either the transfer or sharing of electrons. Ionic bonds a involve the…

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Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

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Q: Q10) A tablet that contained 500 mg of vitamin C (Molar Mass = 176 g/mol) was titrated with 20.15…

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Q: What is K, for borax at this temperature? sp

A: In water, borax dissociates as follows, Na2B4O7.10H2O → 2Na+ + B4O72- + 10H2O Now the anion…

Q: A multivitamin sample has a label claim of 500 mg ascorbic acid (176.12 g/mol). According to quality…

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Q: At constant pressure 200 mL of gas at 35 C is cooled to -20 C. What will be its new volume?

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Q: A specimen of iron has a bcc structure with a lattice parameter of 0.2866nm. Using the Bragg…

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Q: The following product can be synthesized from the reaction of an alkene with Hg(OAc)2 followed by…

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Q: For a reaction 2A + B -------> 2C, with the rate equation: Rate = k[A]^2 [B]. What is the individual…

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Q: Q6) Given the following set of data concerning standardization of NaOH solution: - mass of KHP…

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Q: 7. For sequential reaction: ....(i) ..(i) A > B + C 2B —> С +2D If % yield of (i) and (ii) reactions…

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Q: Calculate the equilibrium constant for the following reaction at 298 K. Cu(s) + 2 Ag*(aq) Cu2*(aq) +…

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Q: Which of the following is a means of creating a buffer of H₂CO₃/NaHCO₃? A) Mixing 10 mL of 1 M HNO₃…

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Q: Draw the product for the following reaction. HO H* (cat.) Ph H. (in excess) O=U

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Q: *(b) A В C MICRONS 10025 14 15 16 10 11 12 13 19 25 90 80 70 60 50 40 30 1780 cm 20 10 ER 4000 3600…

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Q: Calculate AH for the reaction CIF(9) + F20)CIF3(9) given the following chemical equations and their…

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Q: 3. Which of the following is most likely to rearrange via 1,2-hydride shift to form a more stable…

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Q: 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

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Q: 1. One key to predicting the relative strength of an acid is to look at its conjugate base and judge…

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Q: Which of these apply to the Image (attached)? There should be 4 total answers: A. High End pH B.…

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Q: Q5) If the mass of the recorded primary standard for standardization of NaOH solution was more than…

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Q: Which cubic unit cell has the largest number of equivalent atoms?

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Q: 7. For sequential reaction: А —> В + С ..(i) ..(i) 2B » C+ 2D If % yield of (i) and (ii) reactions…

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Q: Show the chemical equation of Hydrolysis of oil of wintergreen

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Q: 13. Which of the following is expected to be the most acidic hydrocarbon? A) B) D)

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Q: Hatsume Mei wanted to maintain the pH of a certain solution within a specified range. What should…

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Q: Benzene has the following roots for the Huckel polynomial: x=-2, -1, -1, +1, +1, +2 a) Derive the…

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Q: 500 mL steam at 100 C and 1.00 atm pressure is heated until the pressure becomes 1.05 atm. What will…

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Q: Complete and balance the reaction in acidic solution. equation: ZnS + NO, Zn²+ + S + NO Which…

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Q: Which of the following salts would have the greatest solubility in water? Formul Ksp A) BaF2 Baf2…

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Q: What is the maximum [CO1 that can exist in a 1.8 x 10 M AgNO, solution? Agos - 8.5 x10

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.