14.25 A wooden artifact is burned and found to contain 21 g of carbon. The ¹4C activity of the sample is 105 disintegra- tions/min. What is the age of the artifact?

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A: As, slow step is rate determining step, From this, rate k = [N2O] Thus, given reaction is first…

Q: What is the [H+] of a 0.650 M solution of acetic acid? Ka (acetic acid) = 1.8 x 10-5.

A: Given : Concentration of acetic acid = 0.650 M  Ka = 1.8 x 10-5

Q: Co2+(aq) + 2e- --> Co(s) Eo=-0.28 V Cd2+(aq) + 2e- --> Eo= -0.33 V What is the standard free…

A:

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Given, C(s, graphite) + 2Cl2(g) ➝ CCl4(g) Species                              S° C(s, graphite)…

Q: 24-38. Use the method of half half reactions to balance the following equations: (po)010 (2) (HO)10…

A: The reactions given are, a) N2H4 (aq) + Cu(OH)2 (s) → N2 (g) + Cu (s)…

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A:

Q: Calculate [H3PO4], [H2PO4], [HPO42-], [PO4³-], [H3O+], [OH-], and [Cl] in a mixture that is…

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Q: What is the organic product formed in following reaction sequence? SOCI, CH3OH thot OH I. OH III.…

A: The two step synthesis is shown in the following  step.

Q: When mixed in equal molar amounts, which of the following pairs of substances would create a buffer?…

A: Buffer solution is a mixture of weak acid or base with it's conjugate acid or base. Weak acid and…

Q: A chemist prepares a solution of zinc nitrate (Zn(NO3)₂) by measuring out 75.5 μmol of zinc nitrate…

A:

Q: The volume c

A:

Q: 4. Which pair could be used to demonstrate the law of multiple proportions? O A. CuCl2 and CuCl O B.…

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

Q: Name the following complex ions. formula Mn Br [Co (CN),] [Cr(CO₂)₂] name X S ?

A: Name the given complexes ---

Q: The dominant type of IMF for CHCl3 is Ion-Ion forces Hydrogen Bonding LDF Dipole-dipole forces The…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Chemistry Like aqueous solutions of Fe3+, bismuth ions (Bi3+) form acidic solutions with a pKa =…

A:

Q: Hydrogen peroxide, H₂O₂, has a density of 1.45 g/cm³ and decomposes spontaneously but slowly. The…

A: Given that,  Density of H2O2 solution = 1.45 g/cm3 = 1.45 g/mL  [* 1 cm3 = 1 mL ]  The steps for…

Q: 2 HC162) + Mg (S), Molealar equation Total jonic equation Net jonic equation

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Q: 2. In the far infrared spectrum of H"Br, there is a series of lines separated by 16.72 cm ¹.…

A:

Q: In the Brønsted-Lowry definition of acids and bases, an acid O A. is a proton donor. O B. is a…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The reaction CO + Cl2 COCl2 was studied by the initial rate method and the following data were…

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Q: What volume of hydrogen gas (in mL) at 713 mm Hg and 74 °C can be produced when 1.4 g of Ni(s) are…

A: To Calculate volume , we would use ideal gas law.  But for that we first need to calculate moles of…

Q: A 22.6 mL sample of 0.318 M dimethylamine, (CH3)2NH, is titrated with 0.265 M hydrobromic acid.…

A: First we would write a reaction between given compounds . Then using moles of each compound , we…

Q: Helium is a very important element for both industrial and research applications. In its gas form it…

A: Given: Moles of He = 105 mol. Temperature = 20 oC Radius of cylinder, r = 12.5 cm And height of…

Q: Question 14 The hydrolysis of phosphoenolpyruvate proceeds with a AG" of about -62 kJ/mol. A major…

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Q: Boron forms a variety of unusual compounds with hydrogen. A chemist isolated 6.3 mg of one of the…

A: Given, Pressure, P = 11 torr = 0.0145 atm Volume, V = 385 mL = 0.385 L Temperature = 25.0 oC = 298 K…

Q: Calculate the mole fraction of He in a mixture of He and N2 that contains 4.25 g of He and 29.5 g of…

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Q: Rank the following intermolecular interactions in terms of increasing strength (meaning a stronger…

A: 1.Intermolecular  force is the  force of attraction  exhibit by  a molecules 2.There are various…

Q: d E cell

A:

Q: 10) Classify the bonds of the following compounds as polar or non-polar. a) CH b) CO₂ c) NF,

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: a. Calculate E for the process E° 0.799 AgIO3+eAg +10 (s) E 18 b. Write the Nernst equation…

A: The expression for EAg is given as,

Q: Absorbance 2 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 Acetic anhydride decay at 250 nm • D20 H20 2000…

A: We would check nature of plot and coordinates of axes to determine order .

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Q: Answer the following questions based on the structures of cis and trans 1,2- cyclohexanediols.…

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Q: Decide whether a chemical reaction happens in either of the following situations. If a reaction does…

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Q: H30+ 1. DIBALH 2. H₂O OCH3 Mg Br 2. H₂0

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Q: Draw a dipeptide of lysine

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Q: An isotope of lead, 201Pb, has a half-life of 8.4 hours. How many hours ago was there 40% more of…

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Q: V. it Example 9. A solution contains 25 per cent water, 25 per cent ethanol and 50 per cent acetic…

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Q: CH 2 steps PG PG= Protecting Group

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Q: Which one of the following two compounds has the stronger IMF - and therefore the higher boiling…

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Q: Example 9. In an electrolysis experiment, a current was passed for 5 hours through two cells…

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Q: Question 1 Calculate the pH of the resulting solution when 22.0 mL of 0.12 M KOH are added to 28.0…

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Q: 8. 2. The coagulation values in millimoles per litre of the electrolytes used for the coagulation of…

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Q: For the following molecule, identify the position which is the most likely to undergo EAS reaction:…

A: 1. OMe is strong electron donating group. Methoxy increase the electron density at o,p positions.…

Q: Example 9. In an electrolysis experiment, a current was passed for 5 hours through two cells…

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

Q: 2. Functional groups in Aspirin Draw the formula for Example: hydroxy group (R-OH) Which group may…

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Q: Chemistry A 30.0 mL sample of 0.100 M HN3 (hydrazoic acid) is titrated with 0.150 M NaOH. Calculate…

A: Molarity of HN3 = 0.100 M volume of HN3 = 30.0 mL Molairty of NaOH = 0.150 M Ka of acid = 1.9 x 10-5…

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.