Describe the toxicological effects of toxic compounds in humans and safety precautions.

Q: What is the solubility of Ag3PO4 in g/L if its Ksp is 1.8 x 10-18? (MM = 418.7 g/mol) 0.0097…

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Q: Which of the following statements describe the reference electrode? O electrode allows for the…

A: Reference electrode is the electrode which is used to measure the potential of other half cell…

Q: Calculate the amount of heat absorbed by a 40.0 g sample of water at 21 °C when the temperature is…

A: The amount of heat absorbed by water is 2.3 kJ. Correct option -- 2.3 kJ

Q: Rank the following compounds using numbers 1-4 in the box provided. (1 most, 4 least) a. Sx2…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: What is the concentration of an unknown solution that has an absorbance reading of 0.402 at 425nm…

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Q: 3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2O In the above equation how many moles of NO…

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Q: 2. Using a concrete evidence, discuss the acid-base property of water. eflector sends the reflecte…

A: According to Bronsted Lowry concept, acid is substance which is proton donor and base is substance…

Q: Draw the structure of the product of the reaction between the compound shown below and H₂SO4.…

A: The product of the reaction between ethanol and sulphuric acid is ethene. H2SO4 is a dehydrating…

Q: All of these are examples of chemical properties except:   A. Density  B.Solid formed   C. Color…

A: We need to determine which of the given properties is not a chemical property

Q: 33. 0.2347 g of an ionic compound MX (135.32 g/mol) completely dissociates into its corresponding…

A: I request you to pls repost question (37)

Q: Zaitsev's rule is useful in selecting which carbon adjacent to a carbocation will form the double…

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Q: Consider the saturation vapor pressures listed in the table above. An air mass at 25*C actually…

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Q: Determine the weight of SDS powder needed in order to prepare 100ml of 25% SDS solution.

A: The weight by volume of a solution is the ratio between the mass of solute to the 100 mL of…

Q: Which of the following is the intermediate formed when ammonia is added to ketones? a…

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Q: What variable is correlated in the titration based on Nernst equation? concentration and Enthalpy…

A: Nernst equation    where  Ecell = emf of cell(v) E° = emf of cell at standard condition (v)  R =…

Q: S+ 6 HNO3 H₂SO4 + 6 NO2 + 2 H₂O In the above equation, how many grams of water can be made when 1.7…

A: Given, S + 6HNO3 → H2SO4 + 6NO2 + 2H2O moles of HNO3 consumed = 1.7 moles mass of water (H2O) formed…

Q: What is the [OH-] if the [H3O+] is 6.12x10-5 M?   2.12x10^-5 M   2.16x10^-6 M   1.26x10^-8 M…

A: Given,  [H3O+] = 6.12 x 10-5 M  What is the concentration of OH- in the solution = ?  Options are :…

Q: Will a precipitate form when 25 mL of 0.020M AgNO3 is mixed with 35 mL of 0.020M Na2SO4? (Ksp Ag2SO4…

A: Given,  Molarity of AgNO3 = 0.020 M  Volume of AgNO3 in mL = 25 mL  Molarity of Na2SO4 = 0.020 M…

Q: OH 1. NaH, THF 2. (R)-2-bromobutane

A: The bulky base favours elimination reaction over substitution reaction.

Q: Gas chromatography separation depends on volatility as a factor of retetion time, the temperature of…

A:

Q: OH SOCI₂ Reaction 1 CH3OH, Pyridine Reaction 2 NH3 Reaction 3 B

A: Carboxylic acid reacts with SOCl2 to form acid chloride.

Q: (iv) N ZH Η HN Η + H₂ 225°C Pyridine 120°C +SO3 (0) KMnO4 (0) alc. KMnO4 ܕܝ ܬ ܝ ܠ ܕ >?; >?+ ?

A:

Q: Iodide concentration in a 0.6712-g sample was analyzed by titrating it with exactly 50.00 mL of…

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Q: The relative peak areas and retention for a mixture of five fatty acids separated by GC is given in…

A: A question based on analytical separation that is to be accomplished.

Q: Given that AfH [Ag2S(s)] = -32.6 kJ/mole, what is the enthalpy change for the precipitation of…

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Q: Consider the reaction: 4 NH3(g) + 5 O2(g) → 4 NO₂(g) + 6 H₂O(1) AfH° -46.19 0.00 90.37 -285.85…

A: Using the given values of heat of formation, we have to calculate the enthalpy change for the…

Q: Question 17 In which electrode can we determine the concentration? Reference electrode the cell…

A: In which electrode we can use to determine the concentration is given below.

Q: Consider these two equations.   Mg2+(aq)+2e−⟶Mg(s)Mg2+(aq)+2e−⟶Mg(s)     Ni2+(aq)+2e−⟶…

A: Hence, answer is 2.12 V .

Q: Cu2+ + Fe Cu + Fe²+ The reaction is assumed to be that (Cu2+) =(Fe2+) =1.0M and T = 298 K. As the…

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Q: Compute for the linearity (r2) value of the following concentration and absorbance values: SAMPLE…

A: Linearity gives the relationship between two variables. If two variables are directly correlated to…

Q: R or S configuration to each chiral center indicated via a (*). (+)-Carvone he groups according to…

A: Higher the atomic number, higher will be the priority of the group. If the priority of first…

Q: Equilibrium calculations At a particular temperature, K = 3.75 for the reaction: SO 2(g) + NO2(g) SO…

A: Given :  K = 3.75  Concentration of each gas = 0.800 M

Q: Determine the R/S orientation of the indicated chiral center(s) in the following molecules. If there…

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Q: B. QUALITATIVE ANALYSIS OF ORGANIC COMPOUNDS Results:(+) or(-) Element Test Name Principal Reagent…

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Q: How much 0.0500 M EDTA is needed to titrate the Mg and Ca in a 0.2385-g sample that is 92.5%…

A: Given,  Molarity of EDTA = 0.0500 M  Mass of the sample = 0.2385 g  Mass percent of dolomite = 92.5%…

Q: At a certain temperature the rate of this reaction is second order in Cl₂O5 with a rate constant of…

A: For the second-order reaction, the sum of the exponents in the rate law is two. The rate of…

Q: A 0.7802-g sample is dissolved in cyanide solution to convert its sulfur (32.066 g/mol) to…

A: Note :The conversion of sulphur into thiocynate takes place.

Q: What is the pH of the solution? [OH-] = 8.4 x 10-3 M use significiant figures

A: pH is scale from which we determine either the given solution is acidic or basic. The pH scale is…

Q: The equilibrium constant, Kc, for the following reaction is 2.90×10-2 at 1.15×103K. 2SO3(g) 2SO2(g)…

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Q: Answer the following questions about the biosynthesis of the natural product JHIII, starting from…

A: JHIII is juvenile hormone.

Q: Zn(s) + NO3(aq) Zn(OH)4² (aq) + NH3(aq) (aq) * NH,

A: we need to balance the given equation in acidic medium

Q: Calculate the pH of 3.5M citric acid solution at 25°C when the Ka is 7.1 x 104 (You'll need a RICE…

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Q: Draw the ribonuceloside containing uracil, uridine.

A: Here we are required to draw the nucleoside.

Q: A standard curve for glucose analysis was prepared.The slope (m) was found to be 1.341 while the…

A: Given: Slope(m) = 1.341 y-intercept = -0.333 Absorbance (y) = 0.151

Q: Sodium hydroxide reacts with which fatty acid to yield the product below given the appropriate…

A: Given, Sodium hydroxide reacts with which fatty acid to yield the product below given the…

Q: The interaction of many different protein factors to stimulate or repress transcription forms a…

A: Transcription factor is a protein that control the rate of transcription genetic information from…

Q: What is the principle of potentiometry in determining the concentration of an analyte? difference in…

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Q: Consider the following system at equilibrium where AH-10.4 id, and X - 55.6, at 698 K. H₂(9)+1₂(9)…

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: A certain reaction is known to have an activation energy E=5.0 kJ/mol. Furthermore, the rate of this…

A: Activation energy is the minimum amount of energy required to convert reactant into product.

Q: What is the order of a reaction that has a single reactant and when plotting the logarithm values…

A: (a). Given statement is :  (b).

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.