How does it affect the peak produced in gas chromatography when: – Inserting samples is too slow – Column temperature is too high

Q: Calculate [H3O1] in a solution that has [OH-] = 6.7×102  M at 25℃. Is the solution neutral, acidic,…

A: Given,  concentration of the OH- ion = [OH-] = 6.7 × 102 M  Concentration of H3O+ ion = [H3O+] = ?…

Q: Match the pair of amino acids in first column with the type of side- chain interaction the pair is…

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Q: Solution :- Reactant-1 Potassium carbonate - Concentration (c) = 0·200 M = 0.200 mol/L Volume (V) =…

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Q: In the reactions given below, what rule is best describe them." 1) B₂H CH3-(CH₂)-CH=CH₂ 2) H₂O₂…

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Q: What is the Equilibrium constant (Keq) at 298.15 K of the spontaneous cell made from the Zn²+/Zn…

A: We know that at equilibrium Ecell is zero .we apply Nerst equation.

Q: Given the following standard reduction values, choose the INCORRECT statement among the choices: Eº…

A: Oxidising agent is the species which oxidises other species and reduces itself. More is the standard…

Q: What do we call a distinct substance that contains two or more elements chemically combined in…

A: 1.Element are the simplest form of matter Example ; lithium , barilium

Q: In the reactions given below when HCI and HBr were added, what rule is best describe them.…

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Q: How many millimoles of O₂ (g) is produced in the anode if water is electrolyzed for 125 seconds…

A: Given :  Time (t) = 125 seconds  Current (I) = 5.25 A  Faraday's constant, F = 96485 units

Q: What is the solubility constant of magnesium hydroxide if 0.019g of magnesium chloride is dissolved…

A: Given that:  pH = 10  Mass of MgCl2 = 0.019g  M.w = 95.21g/mol  Moles of MgCl2 = 0.019g÷95.21g/mol =…

Q: 1. Lead acetate reaction will produce a black precipitate when lead reacts with sulfides. A. True B.…

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Q: 0=$=0 ÓH Ko

A: The given problems are based o basics in organic chemistry.

Q: Which of the following half-reactions would occur at the cathode of a Galvanic cell consisting of an…

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Q: Which of the following are the correct reactivity and orientation for the amide group? Select the…

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: What is the formula for bromobis(ethylenediamine)vana a. [VBr3(en)2] O b. [VBr(en)2]Br C.…

A: Iupac nomenclature of coordination compound is written by ligands and centeral atom

Q: Calcium phosphate is a supplement used to treat calcium deficiencies that may be associated with low…

A: Since the patient is given calcium phosphate, Ca3(PO4)2 supplement to treat calcium(Ca2+)…

Q: OH

A: Find and name the longest continuous carbon chain Identify and name groups attached to this chain.…

Q: Which are true about the Meisenheimer complex? Select the correct response(s): It is positively…

A: A meisenheimer complex is negatively charged intermediate formed by attack of a nucleophile upon one…

Q: Part A CH.(g) +45(g)-CS₂(g) + 2H₂S(g) If 35.8 g of CH₂ and 75.5 g of S react, how many grams of H₂S…

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Q: 5. Sodium acetate and sodium propionate are poor soaps. Why?

A: Sodium acetate and sodium propionate are poor soaps. Explanation and reason given below.

Q: How much moles of precipitate was formed? * Probable atomic weights: Ca = 40; C = 12; 0 = 16 Your…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: Determine the vapor  pressure ratio of the glucose solution and sucrose solution. For both solution,…

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Q: Can anyone please answer this? How would you prepare 5L of 0.9% solution with the given density of…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: H₂C CH₂ Show how the compound can be synthesized from benzene and alkyl chlorides.

A: Here we have to synthesize the following given compound from the starting material benzene and alkyl…

Q: (b) Suggest a reasonable biosynthesis for the naturally occurring alkaloid coniine (isolated from…

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Q: Give the positive result for the test of phosphates.

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Q: An ammonium sulphate solution with a concentration of 29% (w/v) was prepared. The molar mass of…

A: We have to predict the molar concentration of the solution.

Q: What ratio of sodium oxalate (Na2C2O4) and sodium hydrogen oxalate (NaHC2O4) is required for a…

A: pH of an oxalate buffer is 4.5 . The Ka,2 of oxalic acid is 6.4 × 10-5 .We have to calculate the…

Q: Select among the following series of univalent cations an ion with the highest coagulative power…

A: The coagulation power of cation increase with increasing valency of cation this is called Hardy…

Q: ARO MAT TIC HYD :)0 ROC

A: Hückel's rule predicts that a planar ring molecule will have aromatic properties if it has 4n + 2pi…

Q: CH=CH₂ CH=CH₂ CH3O O₂N A B Which will be true about the reaction of the two alkenes with HBr? Select…

A: ✓Due to the presence of pi electrons out side the benzene given compound A show Electrophilic…

Q: Sol of ZnS obtained by interaction of equal volume of solutions (NH4)2S and ZnCl₂ with molarity…

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Q: NO and O2 (g) are mixed in a container of fixed volume and kept at 1000 K. Their initial…

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Q: hexane undergoes __________ reactions with bromine a. substituion b. oxidation c. none of the…

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Q: Calculate the density (in g/L) of a compound if 12.62 g of a gas with a molar mass of 118.31 g/mol…

A: Given-> Weight = 12.62 gm Molar mass = 118.31 g/mole T = -9.49°C = -9.49 + 273 = 263.5 K Pressure…

Q: A 5M NaOH solution means ___? A. 5g of NaOH in 100g of NaOH solution B. 5 moles of NaOH in 100 moles…

A: Molarity is defined as number of moles of solute divide by volume of solution in liter

Q: PO-8. What is the major product of this reaction? JI HA for at X OH (A) (B) (C) (D)

A: Since, this question is a multiple questions. So, I will solved first question-8 for you. we will…

Q: 19. How would you make the following molecule? Retrosynthetically show the reaction.

A: Both the reactions are multistep processes with Fridlecraft acylation as a key step.

Q: Gas particles have random _____. speed speed and direction mass temperature direction

A: We can answer the above question by using Kinetic theory of gases.

Q: Q. State whether the following statement is true or false. REWRITE A CORRECT STATEMENT if not true…

A: A question based on adsorption that is to be accomplished.

Q: Q) If the osmotic pressure of blood up to (psi 100) at a temperature (C0 37). What amount of glucose…

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Q: IONS Mg +1 Na + O Ca + Cl Fe (III) + CI K+FI Al + P Mg +0 Cu (1) + O WORK FORMULA NAME

A: An ionic compound is formed by electrostatic attractive force between oppositely charged ions and…

Q: Convert the angle from degree to radian measure. 0--840°

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Q: What is the diffusion coefficient of Zinc in Copper at 750degC? * 5.3241x10-¹² m²/s 5.3241x10-1³…

A: For Zinc in Copper,  We have D0=2.4×10-5m2/s,Qd=189000J/mol Given…

Q: At what position, and on what ring, would you expect the following substances to undergo…

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Q: E 4 inn 5 НО

A: IUPAC NAME OF THE FOLLOWING GIVEN ORGANIC COMPOUNDS ARE

Q: Which reactant will undergo oxidation? * Si F₂ Which reactant is the oxidizing agent? * Si €* What…

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Q: Please help in asnwering the following questions -Ethanol is heated with an acidified potassium…

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

Q: If a voltaic cell is made from [Cr₂O72/Cr+³] and [Cu+²/Cu] half-cells. What will be the total moles…

A: If a voltaic cell is made up of [Cr2O72-/Cr3+] and [Cu2+/Cu] half cells.  Total moles electrons…

Q: What are some of the analytes typically analyzed using  reverse-phase ion-pairing chromatography

A: The detailed answer of the given question is as under:  OLIGONUCLEOTIDES are short, single or double…