CH₂Cl www

Q: The decomposition of HI at low temperature was studied by injecting 2.50 mol of HI into a 10.32-L…

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Q: What is an evaporative-light scattering detector in chromatography?

A: An evaporative light scattering detector (ELSD) is a detector used in conjunction with…

Q: 4. During the synthesis of Nickel, Ammonia, and Chloride coordination compound, what would happen to…

A: To explain what happens to the product yield if the synthesis was done at 100 oC instead of 60 oC.

Q: The Ksp of CaCO3 at a certain temperature is given to be 7.3 × 10-9. What is the molar solubility…

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Q: The hydrogen ion concentration ([H+]) of a solution is  3.56 × 10-14 mol/L. What is its pH

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Q: QUESTION 3 A 500 mL solution contains 0.00375 mole of hydrazine, N₂H4. The pH value of the solution…

A: molarity is defined as number of moles of solute divide by volume of solution

Q: 18. The thermochemical equation for the formation of ammonia from nitrogen and hydrogen is as…

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on…

Q: A CHO B CHO H с and H H OH D CHO E CHO OH F CHO

A: ->In crossed Aldol reaction two different carbonyl compounds are given . And base can abstract…

Q: 30. Acid HP and acid HQ are titrated with standardized NaOH, and their titration curves are shown in…

A: Here we have solve the following given questions from the given titration curve of two weak acid HP…

Q: The Polyhydroxy aldehyde or a ployhydroxy ketone is also known as a) ester b) fat c) carbohydrate…

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Q: What is the color of Methyl Orange in Caustic Potash?  a. Red b. Deep Blue c. Faint pink d. Faint…

A: What is the color of Methyl Orange in Caustic Potash?

Q: Estimate the average mass of element Y, if it is composed of two isotopes. The first isotope have a…

A: Average atomic mass = f1M1 + f2M2 +… + fnMn Where f = fraction representing the natural abundance of…

Q: 22. Palladium (Pd) crystallizes in a face-centered cubic lattice with an edge length of 388.8 pm.…

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Q: Consider the formation of Propylene (C;H6) by the gas-phase thermal cracking of n-butane (C4H10):…

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Q: Identify the product of the reaction. CH₂-CH₂ H₂SO4 ? H OH Express your answer as a chemical…

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Q: If the ?b of a weak base is 3.1×10−6, what is the pH of a 0.18 M solution of this base? use ice…

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Q: Draw the structure of the most prominent form of tyrosine at pH 1.9

A: We have to draw the structure tyrosine at pH 1.9

Q: INSTRUCTION: There is no underlined word. Pick the word to be changed to make the statement true.…

A: Given statement is :  Nucleophilic aromatic substitution on the benzene ring is possible because of…

Q: Draw the structure of Ser from the most protonated to the least protonated form.

A: Serine is an amino acid having  additional alcohol functional group .

Q: reading the measurements provided by the volumetric apparatus, the eye must be at the same level as…

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Q: Table 1. Required components Component Amount Concentration Sodium Citrate 92.118 dihydrate (mw:…

A: For a buffer solution- pH = pKa + log [Base/Acid]   pKa of citric acid= 4.3

Q: 16. What is the expression for K, for the following equilibrium? CASO3(s) = CaO(s) + SO2(g) a)…

A: Active mass of solid components is equal to one

Q: You have piece of copper that has a mass of 6.2 grams. How much energy/heat (in units of Joules) is…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: QUESTION 14 Consider the reaction scheme below. Compound E PBr3 KMnO4/ H* + HCN Compound A Compound…

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Q: Os-182 has a half-life of 21.5 hours. How many grams of a 10.0 gram sample would have decayed after…

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Q: What is the role of Glycerin in the assay of Boric Acid? I. The reagent prevents the formation of…

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Q: Consider the following transformation and answer the questions that follow. OTBS OTBS OTBS OTBS Bno…

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Q: 1. Calculate the observed rotation, a one would measure for a 20.0% (m/v) D-glucose solution if a 2…

A: We have find out the observed rotation of D- glucose and L- glucose solution. Note -As per our…

Q: HCI (aq) KHCO3 (aq) complete ionic equation:

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Q: In which of the following pairs of alkanes are the two members of the pair constitutional isomers?…

A: In organic chemistry, constitutional isomers or structural isomers are compounds which have the same…

Q: NH2

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Q: A chemist designs a galvanic cell that uses these two half-reactions: half-reaction standard…

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Q: Calculate the number of grams of HI Produced if 3.33 mol of H2 reacts with excess I2.  ___H2(g) +…

A: Balanced Reaction:  H2(g) + I2(g) ......> 2HI(g) Given that: Moles of H2 = 3.33mol

Q: 26) The molecule below is OCH3 OCH, A) Curcumin from turmeric B) Pterostilbene from blueberries C)…

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Q: 3. A 25.00 mL sample containing HCI was treated with 20.00 mL of 0.955 M NaOH. What is the…

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Q: What is the pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

A: Given,  The pH of a solution prepared by dissolving 8.13 grams of NaCN (49.01 g/mol) in 1.4 L of…

Q: 33. Calculate the copper(II) ion concentration at 25 °C in the cell Zn(s) + Cu²*(aq) → Zn²"(aq, 1.0…

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Q: Which bonded phase is the most nonpolar? C18, C4, or C8?

A: C18 bonded phase is the most nonpolar. Hydrophobicity is the primary mechanism of analyte…

Q: Voltaic cell notation: Ag(s) | Ag+ (aq) (from saturate Ag3PO4) || Ag+ (aq) (0.110 M) | Ag(s)…

A: Solutions                             Given that     Voltaic cell notation: Ag(s) | Ag+ (aq)…

Q: Choose the IUPAC name of the compound below. G O 5-Methyl-3-propyl-2-hexanone O 3,3-Dimethylheptane…

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Q: 2. Draw the product of the reaction of cyclopentanone with each of the following reagents: a.…

A: The correct answer is given below

Q: Propose a mechanism to account for the following reaction CH3 cha nahod CH₂Cl AICH H₂C

A: We have to propose a mechanism for the given transformation. The given reaction is an example of an…

Q: Tungsten-180 decays into hafnium-176 and an unknown particle. What is the unknown particle

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Q: 13. Give the product of this reaction: CHNNTH(? ü) kOH A 14. Predict the major product(s) formed…

A: Wolff–Kishner reduction: When carbonyl compound reacts with hydrazine, hydrazone is formed. The…

Q: I. Synthesize the corresponding alkyne from the given alkene. Show the steps (no need for the…

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Q: Draw and name compounds that meet the following descriptions: a. Two primary, 2 secondary, and 2…

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Q: 2. The following Maxwell-Boltzmann distribution graph represents a kinetic energy distribution at…

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Q: Explain how the calculated % composition by mass of water in the compound and the calculated…

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Q: 14. If the pH at half way to the first equivalence point is 3.20, pH at first and second equivalence…

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Q: density

A: We know that:  Density = Mass/Volume Equivalent weight = Molecular weight/n-factor

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.