An archaeological bone sample originally contained 128 mg of 14C. The sample today has 16 mg of 14C. How old is the sample?

Q: Q1. Using the functional group tables in the text, classify the following compounds by their…

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Q: A human skeleton excavated from an ancient burial ground is found to contain only 0.27% as much…

A: Given,  A human skeleton excavated from an ancient burial ground is found to contain only 0.27% as…

Q: 1. diethyl malonate NaOEt, ETOH 2. NaOH, H20 3. H3O*, heat HO. Alkyl bromide B Select Draw Rings…

A: Note : DEM is treated with NaOEt and alkyl bromide results mono alkylated product. Ester groups are…

Q: Write the balanced NET IONIC equation for the reaction that occurs when nitri acid and sodium…

A: The explanation is given below-

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

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Q: Question 1 Use the molecule CO, as an example to demonstrate the IR and Raman spectroscopy. 1) Get…

A: Given:- Use the molecule CO₂ as an example to demonstrate the IR and Raman spectroscopy. 1) Get its…

Q: Which of the following signs on q and w represent a system that is doing work on the surroundings,…

A: The answer is as follows:

Q: Q1. Using the functional group tables in the text, classify the following compounds by their…

A: Answer: These questions are based on the identification of functional group which decides the…

Q: What is the formula (solve for x) for the original hydrated sample of copper (II) sulphate? You…

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Q: A 1.00-L solution contains 2.50×10-4 M  Cu(NO3)2 and 1.00×10-3 M  ethylenediamine (en). The Kf for…

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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: Comp c Demetal Aalysi C. S 80 H.987,0, 31 3 wwed Ma Spectram 70 mie Iafrared Spectrum Wae Numter, om…

A: Molecualr formula C5H10O2 (molecular formula calculation can be done using % of C,H, O). % of carbon…

Q: the acidic equilibrium equation for HPO4^2-

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: -NH, ) from toluene( -CH, 6. Outline a synthesis of aniline ( ) using any necessary inorganic…

A: 1. Toluene is oxidized to benzoic acid using KMnO4. Benzoic acid is converted into benzoyl chloride…

Q: Glucose can exist in many forms including the open chain form , and the five membered furanose form…

A: The mechanism of the following is:

Q: Determine the missing values. Express in 3 SF If the number is too big/small, Express the following…

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Q: Given a stock solution of 25% glucose (MW = 180.16 gm); how much is needed to make 500 mL of 15%…

A: Answer: Mass and moles are always the extensive property, therefore they can be added or subtracted,…

Q: A Lewis structure for NCS⁻ is shown below, however, its formal charges are not minimized. Starting…

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Q: Predict the products of the following equations and balance them 1. Fe+S, Chue: A ferric substance…

A: First we would write the product and then balance reaction.    Note : As you have uploaded multiple…

Q: What are the merits and limitations of precipitation methods? Give an example where the…

A: Precipitation titration is a type of titration in which a precipitate is formed during the titration…

Q: Question 1. (a) Explain the chemical energy conversion to electrical energy.

A: The explanation is given below-

Q: Name the following: [Pt(H2O)4l2]Br O tetraaquadiiodo platinum(II) bromide O tetraaquadiiodo…

A: In this question we have to tell the name of the molecule.

Q: You are given 5.0 gram of an unknown sample is titrated via 0.125N standard HCl. Volume of titrant…

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Q: What is the boiling point of a solution that contains 1.5 mol of NasPO. dissolved in 1.00 kg of…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: According to the following reaction, how much energy is evolved during the reaction of 32.5 g B2H6…

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Q: What temperature will be needed to heat treat copper such that the concentration of vacancies per…

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Q: If you ‘overshot’ the endpoint of your standardization titrations, how will the calculated…

A: A question based on acid-base titrations that is to be accomplished.

Q: The value of K, for AgBr is 5.4 x 1013 For the Ag/AgBr electrode, AgBr(s) + e Ag(s) + Br (aq) =…

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Q: Calculate the equilibrium molarity of N,. Round your answer to two decimal places.

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Q: Write the dissolution reaction for ammonium sulfide in water. Be sure to specify the state of each…

A: The solubility of an ionic compound can be predicted on the basis of solubility rules.

Q: 1) Use systematic treatment of equilibrium to find the concentrations of Mg2t, F, and HF in a…

A: We have find out the concentration of Mg2+,F- and HF in saturated solution of MgF2.

Q: In the following reaction , Fe is_______from_______to_______ 6FeSO4(aq) + K2Cr2O7(aq) + 7H2SO4(aq) →…

A: Given -> 6FeSO4(aq) + K2Cr2O7(aq) + 7H2SO4(aq) ---> 3Fe2(SO4)3(aq) + Cr2(SO4)3(aq) + K2SO4(aq)…

Q: A 0.905 mol sample of Ar gas is confined in a 22.6 liter container at 31.6 °C. If the volume of the…

A:

Q: draw the product

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Q: Which of the following is a strong acid? O acetic acid hydrochloric acid O hydrofluoric acid O…

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Q: Balance the following redox reaction in acidic solution. Mn" (aq)+Cu (aq) - MnO,(s)+Cu (aq) Mn (aq)…

A: The steps for balancing redox reaction in acidic solution is as follows - 1) Divide the reaction…

Q: Determine the sign of the electrodes in the cell. The left side half-cell is the and charged. The…

A: Answer: The left side of the half cell is the anode and negative charge.

Q: An experimental plot of In(k) vs. 1/T is obtained in lab for a reaction. The slope of the best-fit…

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Q: Balance the following redox reaction in acidic solution. 1(5)+Zn* (aq) → Io,(aq)+Zn(s)

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Q: =rystallographic planes for a unit cell of some ypothetical metal. The circles represent atoms. 0.30…

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Q: 3.54 The accompanying figure shows three different crystallographic planes for a unit cell of some…

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Q: The pK, value for HF is 3.14. Would a buffer prepared from HF and NaF with a pH of 1.14 be…

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

Q: A reaction vessel is filled with SOɔ at a partial pressure of 0.10atm together with Oz and SO2, boih…

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Q: chanical ctrical emical lar

A: In ocean high velocity waves collide in the form of tide which produce kinetic energy.

Q: Reagents Ketone Product 1. Ethyl acetoacetate, NaOC2Hs, C2H5OH 2. NaOH, H20 3. H3O*, heat Draw the…

A: Note : Mono alkylation done on EAA using NaOEt, alkyl chloride. Then ester is hydrolyzed. Then acid…

Q: Devise a synthesis of the following compounds from benzene. Assume ortho- and para-isomers can be…

A: Here we are required to synthesis the following compound from benzene

Q: Which of the following is a strong acid? O acetic acid O hydrochloric acid O hydrofluoric acid…

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Q: The standard reduction potential for the Ce*4/Ce*3 system is +1.28 v. If [Ce*3] = 103 M and [Ce*4] =…

A: The Ecell of the given half cell reaction can be determined by using Nernst equation.

Q: е. „CH3 `CH3 ČH3 f. H2N. OH .CH3 H3C, CH3 H3C. H3C CH3

A: d. i. α-alkylation. ii. Wolf Kishner reduction. e. Iodoform reaction. Acid to acid chloride using…

Q: A chemist dissolves 775. mg of pure hydroiodic acid in enough water to make up 310. mL of solution.…

A: Given :-  Mass of HI = 775.mg  Volume of solution = 310.mL  To calculate :-  pH of solution

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.