The decay of cesium-135 is first order with a half life is 3.0 million years. How much of 1.0847 g sample would remain after 9.50 million years?

Q: What is the maximum number of electrons in an atom whose highest-energy electrons have the principal…

A: According to the Aufbau principle, electrons occupy the lowest energy orbitals available before…

Q: A total of how many signals are expected in the ¹H spectrum of the given compound?

A: -> In 1HNMR spectrum number of signal is equal to total number of non equivalent hydrogen present…

Q: Single replacement reactions are always O redox reactions. nonredox reactions. O combination…

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Q: How does the quantization of energy explain the observed photoelectric effect and emission of UV…

A: The photoelectric effect and the emission of ultraviolet (UV) radiation are two examples of…

Q: If 7.74 mL of a 2.38 M solution of calcium acetate is added to enough orange juice to make 2.10 L of…

A: M1 x V1 = M2 x V2Where, M1 = Initial molarity; M2 = Final molarity; V1 = Initial volume and V2 =…

Q: The enzyme chymotrypsin catalyzes the hydrolysis of a peptide containing phenylalanine. Using the…

A: For the given data of enzyme catalysis of a peptide containing phenylalanine, we have to find the…

Q: e disp 11.11 Ammonia is both a donor and an acceptor of hydrogen in hydrogen-bond formation. Draw a…

A: Hydrides of group 15, 16 and 17 (i.e., NH3 , H2O , HF, HCl, etc.) have more electrons than required…

Q: In the Fischer esterification reaction below, which best describes the first step of the mechanism?…

A: The given reaction is Fischer esterification reaction.In the presence of alcohol and acid, ester is…

Q: Woodward and Fieser : Parent C=C-C=O Could you draw out how Alkyl/ring residue of a alpha vs beta…

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Q: Draw the major organic product that contains the carbon labeled with a * (do not include i si Base:…

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Q: Using the following equation how many grams of carbon dioxide do you get from 358 g of glucose.…

A: Reaction :  mass of glucose = 358 g

Q: Arrange the different types of electromagnetic radiation by wavelength. Only include the items that…

A: As we Know, E = hv = hc / λWhere λ is wavelength, v is frequency, c= speed of light, h = Planck…

Q: 1-chlorobutane plus the following yields __________. 1) cyanide; 2) H3O+, heat; 3) SOCl2; 4) ethanol…

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Q: For the following second order reaction, the rate constant is 0.0705.  If [A]0 = 8.22, calculate [A]…

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Q: 17. Which of the compounds shown is consistent with the 13C NMR spectrum given? 80 OH 70 60 НО. 50 x…

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Q: 5. A compound with a molecular formula of C3H160 has the following 1H NMR spectrum. Provide a…

A: Molecular formula = C8H16O

Q: What is the product of the following reaction? A EN 1) CH3CH₂MgBr, ether 2) H3O+ NH₂ CH CH₂CH3 • Off…

A: Nitriles react with Grignard reagent to produce ketones

Q: A solution contains 8.70x10-³ M potassium hydroxide and 8.16x10-³ M sodium sulfide. Solid iron(III)…

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Q: Consider the reaction.   A(aq)↽−−⇀2B(aq)?=8.59×10−6 at 500 KA(aq)⁢↽−−⇀⁢2B(aq)⁢�=8.59×10−6 at 500 K…

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Q: Examine the ¹H NMR spectrum below, and choose the most appropriate NMR solvent. The chemical shifts…

A: The question is based on the concept of HNMR spectroscopy.we need to identify the correct solvent…

Q: 4. How many grams of AlBr3 are formed from the reaction of 4.8 g of aluminum with 24 g of bromine.…

A: Mass of Al = 4.8 g Mass of Br2 = 24 g Molar mass of Al = 27 g/mol Molar mass of Br = 80 g/mol Mass…

Q: For the unbalanced reaction below, calculate how many grams of potassium chloride form when 6.53 g…

A: KCIO3(s) ---> KCI(s) + O2(g)Given : mass of potassium chlorate (KCIO3) reacts = 6.53 gRequired:…

Q: (CH3)3N*. + Br2 FeBr3

A: Aniline is ortho/para directing. Anilinium ion is meta-directing because of the presence of positive…

Q: Example: Consider the following balanced reaction: 4 Al (s) + 3 O2 (g) → 2 Al2O3 (s) If 5.60 mol of…

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Q: Which of the following aqueous solutions will have the highest pH at 25oC? For NH3, Kb = 1.8  10–5;…

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Q: Polymers may be composed of thousands of monomers. Draw two repeat units of fluoroethene. Assume…

A: Alkene undergo polymerization in presence of heat or light or AIBN through a free radical mechanism.…

Q: Why is this compound NOT aromatic? It is conjugated and I counted 6 participating electrons. ა NH₂ +…

A: Aromatic Compounds: Aromatic compounds are characterized by a special stability resulting from a…

Q: How many valence electrons do atoms of each of the elements have? Be: Sn: Se: valence electrons…

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Q: Name the following organic molecule. Br 3 CI A/

A: The nomenclature system is the identity of organic molecules.

Q: A 1.458 g primary-standard grade Na2CO3 (MW = 105.99 g/mol) was used to standardize an HCl solution.…

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Q: Write the full molecular, full ionic, and net ionic equations for the following reactions—please…

A: A balance chemical reaction that has equal number of atoms of each element on both the sides of the…

Q: 1. Using initial molarity of acid and measured pH of the acid before titration, build a RICE table…

A: For part II,Initial molarity of acid, [HA]= 0.219 M[H+] = 6.3E-04 = 6.3 x 10-4Initial pH of acid =…

Q: Pleassseeeeeeee explainnnnnnn

A: Number of moles is given by:Molarity is given by:

Q: After a solution is mixed, it initially contained 0.500M HONH₂, 0.400M HONH₂ and 0.100M NaOH. What…

A: The concentrations of NH2OH = 0.5 (M) and 0.4 (M).Concentration of NaOH = 0.1 (M)

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: The question is based on the concept of molarity. molarity is a method of expressing concentration…

Q: ||| Writing net ionic equations The following chemical reaction takes place in aqueous solution:…

A: For net ionic equation first of all aqueous species are broken into aqueous ions then from both side…

Q: What is the IUPAC name of the following? CH₂COCH₂CH₂ Submit Answer Try Another Version 10 item…

A: The IUPAC name of the compound is given by using the rules of IUPAC nomenclature.

Q: Use Avogadro's law to calculate volume. A sample of gas contains 0.180 mol of N₂(g) and 0.360 mol of…

A: According to  Avogadro's law, under the same conditions of temperature and pressure, equal volumes…

Q: Which molecule answers this question (you are not looking for the "?" you are looking for the answer…

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Q: NO2 F OH Na high dilution (?)

A: The reaction that is involved are.1. Nucleophile generation by Na.2. intra molecular nucleophilic…

Q: Consider the unbalanced reaction NiS2(s) + O₂(g) --> NiO(s) + SO₂(g) When 11.2 g of NiS₂ react with…

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Q: The following series of reactions yields ___________. 1) Butanoic acid and SOCl2; set product aside…

A: In the first step of this reaction sequence-Butanoic acid react with SoCl2 form acid chloride.On the…

Q: A researcher raises the temperature from 15.9 to 30.1 o C and finds that the rate of the reaction…

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Q: Explain the term pressure and state its S.I. unit. (B) Explain Henry’s law. (C)A bottle of H2 has…

A: The question is too long so according to bartelby  guidelines, I will answer only first three…

Q: 4. Propose a structure for a compound, with molecular formula CsH1iCl, that fits the following…

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic…

Q: CH3CH2CH2CH2Cl   + 1) KCN 2) LiAlH4 3) H2O yields ___________.     cyclopentylnitrile…

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Q: Which of the following reactants would lead to an ester product as the major organic product? ?…

A: An alcohol react with an anhydride to produce an ester

Q: 5. The following equations describe the dissociation reactions of sulfurous acid and its breakdown…

A: A titration curve is a graphical representation of the pH (or other relevant parameter) of a…

Q: Choose the best option for the precursor needed to make the vicinal dibromide. CI H3C. CI Br Br

A: Retro synthesis is the chemist way of synthesising organic molecules, which involves the various…

Q: The elements that compose​ seawater, along with the corresponding​ percents, are shown in the table.…

A: Given, The volume of sea water = 60 mLPercentage of elements in the sea water:Chemical…

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.