Epidemiological research is research done   on animals.   by observing populations of people.   in a laboratory setting.   under controlled conditions.

Q: Draw the most stable resonance form for the intermediate in the following electrophilic substitution…

A: In this question, we will draw the most stable resonance structure intermediate and also includes…

Q: Consider the reaction: AB(g) → B(g) +A(g) with the rate law Rate = K[AB]2 and the rate constant k =…

A: for the given reaction, AB(g) → B(g) + A(g) Rate = k[AB]2 rate constant, k = 5.0×10-2 M-1.s-1…

Q: О (3 Can you please provide name and solve? Please apply arrow please & thank you 0 О :) Na ome Me…

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Q: Arrange the following sets of systems in order of increasing entropy. Assume one mole of each…

A: Entropy is a measure of randomness of a system. It is denoted by capital letter 'S' and its value…

Q: Identify the substance that being reduced in this reaction, Zn + HCl ---> H2 + ZnCl2.* H…

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Q: How many grams of CCl4 will contain 36.00 g of carbon? express your answer in decimal notation.

A: Mole of carbon tetrachloride is equal to mole of carbon

Q: Write the equilibrium constant expression for each of the following reactions. 1. H2(g) + 12(g) =…

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Q: (6) After three half-lives, 100% (A) (B) 50% (C) 25% (D) 12.5% % of the initial isotope of a…

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Q: Desribe the reaction product. (q) CI ОН ОН (r) (s) 1 Н ОН ОН

A: The discription of each reaction is given below,

Q: Classify the following substituents according to whether they are electron donors or electron…

A: Here we have to determine types of inductive effect and types resonance effect shown by the…

Q: N CI

A: NO2 group is called as Nitro group

Q: 3. Write the Lewis structures for CH₂N2 including all resonance forms, and show formal charges. The…

A: Resonance structures are the set if two or more Lewis structure that collectively describe the…

Q: Redox reactions can be seen all over us. Give an example of daily activities showing REDOX reaction.

A: Please find your solution below : Redox reaction is defined as a chemical reaction in which…

Q: If 0.400 moles of NO (g) and 0.200 moles of O2 (g) are reacted in a 2.50 m3 vessel at 298K, how many…

A: First write down the reaction of NO with O2 and using mol to mol ratio, calculate mol of NO2 gas…

Q: In a solution at 25oC, 5.25 g of sodium hydroxide, NaOH(s), is added to enough water to create a…

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Q: Light source Excitation Monochromator Polarizer filter Exciting light Polarizer Analyzer…

A: Fluorescence is a kind of luminescence caused by photons exciting any molecule, raising it to an…

Q: 3. Draw all possible conformations for 2-methylbutane. Label all unfavorable interactions. Which…

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Q: 3. Which structural formula below represents an unsaturated hydrocarbon? Explain. H H H H H-C-H…

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Q: 1.Determine the freezing point of a solution prepared from 58.0g ethylene glycol (C2H6O2), a…

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

Q: What is the chemical reaction for the electrolysis of Cu/H2SO4 electrolyte? Provide the enthalpy of…

A: Chemical reaction for the electrolysis of Cu/H2SO4 electrolyte Enthalpy of the reaction.

Q: Indicate which substance in the given pairs has the higher entropy value. Explain your choices. a.…

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Q: 1. Determine if the corresponding pairs are conjugates: a. H₂SO3 & HSO4 b. (CH3)3N & (CH3)2NH c.…

A: Acid released proton and base accepts proton

Q: x²V₁ ηπχ If Hamilton Perturbation Ĥ' is and yn = (2)¹/² (sin x) where V₁ is the a a potential height…

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Q: Consider the following equilibrium: PC15 (g) PCl3(g) + Cl₂(g) A 3.00 L flask contains 0.0600 mol…

A: Which one of the following is correct answer

Q: . Calculate the number of aluminum atoms in a can containing 25.0 g of aluminum.

A: Given  Mass of Al = 25.0 g Number of Al atoms =?

Q: Suppose you will prepare a 1:1 by ass NaOH solution using 30g NaOH of 97% purity (density=2.13g/mL).…

A: Weight percent Solution: Simply it is the amount of solute in grams per 100 grams of solution.…

Q: Identify the configuration of the stereogenic center (R or S)

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Q: OXIDIZED 3 Hg2+ + 2 Fe (s) → 3 Hg2 + 2 Fe3+

A: Given reaction is :  3Hg2+ + 2Fe (s) ---------> 3Hg2 + 2Fe3+  What is the substance which…

Q: you add all the oxidation numbers in a polyatomic ion, what should the sum be? A The sum should…

A: lets solve this problem by taking an example of SO42-

Q: (26) When plutonium-239 is bombarded with a neutron, it produces xenon-137, zirconium-95, and…

A: Here we have to determine the energy produced in a nuclear fission of 239-Pu having mass 1.737×104…

Q: 14. Calculate the formula mass of (NH4)2HPO4 (one type of fertilizer). A. 132 amu B. 46 amu C. 124…

A: Formula mass is the sum of atomic masses of atoms in its empirical formula. Empirical formula…

Q: 52. For a bimolecular elementary reaction, why does the reaction rate depend on the product of the…

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Q: Activity 2: In your answer sheet write the chemical formulas of the following structures. Then…

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Q: Write a comment on this word in one line Arsenic is a global metal.Enviromental pollution by arsenic…

A: Arsenic is a natural element that can be found in rocks and soil, water, air, and in plants and…

Q: Q3) (- A solution of 2.0 g of (+)-glyceraldehyde in 10.0 mL of water was placed in a 10.0 cm…

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Q: Al4C3 + H₂O Ⓡ — Al(OH)3 + CH4

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Q: +O2 what is the reaction in the cathode given that oxygen gas is present.       2H2O ----> O2 + 4H+…

A: In electrolysis,  Oxidation takes place at anode and reduction takes place at cathode.

Q: Calculate the ∆?° at 298K of the following reaction, H2(g) + F2(g) ----> 2HF(g). Given that our  ∆H°…

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Q: How does chemistry work in taking medicine or pill?

A: Given in following question write a notes how chemistry used in taking medicine and pills

Q: Identify the substance that being oxidized in this reaction, Zn  +  HCl ---> H2 + ZnCl2.*       Zn…

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Q: 3.Complete the following Reaction. Include the IUPAC name of the product.[ OH + H₂C-CH₂CH₂-NH₂ a. OH…

A: Here we have to write the major product formed and the IUPAC name in the following given reactions.

Q: Train track rails are joined using an exothermic welding process. A mixture of iron (III) oxide…

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Q: The Joule-Thomson coefficient for a van der Waals gas is given by μ = [(2a/RT) - b]/Cp. Calculate…

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Q: When calcium nitrate and sodium carbonate is mixed together, the solid that separates out is

A: When two salts are mixed together the mutual exchange of ions may takes place and precipitate may…

Q: what’s the OH- ph=2.5

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Q: CI The common name for metabolite 3 Metabolite 3 -OH

A: Metabolites: They are the intermediate merchandise produced all through metabolism, catalyzed with…

Q: 11. What is the molar mass of oxygen gas? A. 16. g/mol B. 32.0 g/mol C. 8 g/mol D. 24 g/mol

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Q: Consider the reaction: AB(g) → B(g) +A(g) with the rate law Rate = K[AB]2 and the rate constant k =…

A: Given that:  Rate constant (k) = 5.0×10-2 M-1 s-1 [AB] = 2.0M

Q: Compounds containing these ions are Soluble NO₂™ Na, K, NH₂ CF, Br, I SO4² Compounds containing…

A: Given reaction: CaI2 (aq) + Na3PO4 (aq) → We have to write the balanced molecular, complete ionic,…

Q: Chemistry Based on their molecular structure between stilbene, isovanillin and trans cinnamic acid…

A: Stilbene is a hydrocarbon with two aromatic rings and a double bond. Isovanillin is an aldehyde with…

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.