A colloidal dispersion differs from a true solution in that colloidal particles_____ a. are large enough to be seen with a microscope b. are large enough o be seen with the naked eye c. tend to settle at an appreciable rate d. are large enough to scatter light

Q: The percentage purity of a paracetamol sample was determined by a reversed phase HPLC method as…

A: Given: Mass of powder taken = 10.0254 g. Volume of solution A prepared = 1 L Volume of solution A…

Q: 120 loo 60 40 20 Reaction progiess whet is the activadion energa for this reaction kj lmol? in 132…

A: - Activation energy is the energy which is inversely proportional to rate of reaction .If activation…

Q: What reagents are needed to carry out the conversion shown? N- OCH3 CI- OCH3 Cl2/FeCl3; HNO3/H2SO4;…

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Q: What is the mass fraction of salt? A. 0.0476 B. 0.0500 C. 0.9524 D. 0.0876 What is the mole fraction…

A: Since you have posted questions with subparts , as per guidelines we can answer only three per…

Q: What is the energy of a mole of photons that have a wavelength of 745 nm?

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Q: 14. If a batch of cookies weighs 60 g, the heat was 700 J and the change in temperature was 20 C.…

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Q: 5. Identify which of the following is a) the most acidic and b) the most basic NH2 ÇH3 CH, H,C CHa…

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Q: Aive the mechamism and misSing Greagents ? ome me

A: Step 1 : Birch reduction followed Robinson annulation ( see below).

Q: conc. HBr H2O

A: ->Epoxide has oxygen atom which has loan pair and it acts as nucleophile due to which first of…

Q: Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation…

A: Reaction of Co2+ with L occurs as: Co2+(aq)+6L↔CoL62+

Q: The rate at which a certain drug is eliminated by the body follows first-order kinetics, with a half…

A: According to first order kinetics- [A] = [A]° ekt

Q: How many tritium atoms ('H) are incorporated into acetate if a molecule of palmitic acid is oxidized…

A: To determine: Number of tritium atoms (3H) that are incorporated into acetate if a molecule of…

Q: Which mirror images are superimposable ?

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Q: 1. Ph,P BrO NaH, THF 12. 2. NaOH, H2O2, H2O/THF 3. Megs , NaH, THF H.

A: Reaction 1 : Wittig reaction. epoxidation of α,β-unsaturated ketones followed by Corey Chaykovsky…

Q: If enthalpy is +220 kJ for a reaction and entropy is +120 J, at what temperature is this…

A: The spontaniety of any reaction is decided by the Gibb's free energy change if the reaction. Any…

Q: QUESTION 4 What is the major product for the following reaction?: CH20 CH,OH La HO CH,O O HO. OCH2…

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Q: QUESTION 8 Which of the following reactions yield the products shown? There are two correct answers.…

A: Here we have to predict the given reactions which produces correct products.

Q: Calculate the ksp for this hypothetical an ionic compound M2X3 (MM=288 g)  if its solubility is 3.6…

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Q: In the reaction at equilibrium: 2NH3 (g) ⇌ N2(g) + 3H2(g), Le Chatelier's principle predicts that if…

A: The equilibrium reaction given is, => 2 NH3 (g) ⇌ N2 (g) + 3 H2 (g)  Given: If moles of H2 is…

Q: 12. Provide two synthetic routes for heptanoic acid from hexanoic acid and any other necessary…

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Q: What is the lowest allowed energy for a F8* atom? -5.45 x 1017J O -1.07 x 1016 J -2.18 x 1018 O…

A: Given that, Lowest energy for F8+ ?

Q: aluminum oxide(s)  +  chloric acid (aq)   →   products 2. ammonium carbonate (aq)  +  silver…

A: 1) aluminum oxide(s)  +  chloric acid (aq)   →   products

Q: If an object has a low specific heat, would it be more like a conductor or an insulator? Explain.

A: For insulator , it has higher specific heat capacity and  for a conductor it has relatively low…

Q: n the notation: H+│H2││Co2+│Co, Co2+(aq) + 2e- → Co(s) is the oxidation potential.     True

A: Given : We have to tell whether the statement is true or false.

Q: According to the diagram, during a phase change the temperature - F increases G decreases H…

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Q: What is the frequency of a photon that has an energy of 7.5*10^-32 J ?

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Q: molarity of a solution

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Q: Rank the following according to DECREASING number of S atoms: A. 31.0 g S8 B. 50.0 mL CS2 (density…

A: To rank them, first calculate number of S atoms in each case.

Q: Ilim What is the product of the reaction below? H2 Pd/C A B O A

A: In this question we have to tell the product of the reaction.

Q: How is a Bronsted – Lowry acid and base different from a Lewis acid and base?

A: Acids are sour in taste and bases are bitter in taste.

Q: In the reaction at equilibrium: 2NH3 (g) ⇌ N2(g) + 3H2(g), Le Chatelier's principle predicts that if…

A: The equilibrium reaction given is, => 2 NH3 (g) ⇌ N2 (g) + 3 H2 (g)  Given: If moles of H2 is…

Q: What is the charge of domoic acid at a pH = 1? (a) -1 (b) 0 (c) +1 (d) +2 (28)What are the the…

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Q: What happens when a 450 mL sample of a gas kept at constant pressure is cooled from 60 0? to 20 0??

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Q: Consider the following compound: Ga Cl32 (OR Ga C13 2 minus) What is the overall shape (including…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: Ph P. a. Ph- b.

A: a. Cyclohexanone and benzaldehyde are staring materials. b. β keto ester are synthesized from Ethyl…

Q: ABN heat N-B 2. NaH ONa Hy a = Proton transfer b- Lewis acid/base d- Radical chain addition e =…

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Q: Th Course: CHEM262-SEC01 Org: x O OWL Exam U Noor Abid - 32843659 s x b Answered: Place the…

A: When germinal di carboxylic acid on heating wil undergo decarboxylation and produce CO2

Q: Aluminum metal reacts with chlorine with a display of sparks: 2 Al(s)  +  3 Cl2(g)  ➜  2 AlCl3(s)…

A: In the given reaction, 2 Al(s) + 3 Cl2 (g) ➜ 2 AlCl3 (s) ΔH = –1408 kJ

Q: The reaction is balanced in this equation: 6Sn2+ + 4VO43- + 32H+ → 6Sn4+ + 4V2+ + 16H2O. True…

A: In this question we have to tell that the reaction is balanced or not.

Q: Chemistry CO-Me 10.

A: Reaction 1 : Trans esterification, dehydration of alcohols. C-alkylation.

Q: Chemistry What is the correct curved arrow mechanism to get from the starting material to the…

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Q: b. Provide mechanisms and/or products for the following transformations. Po Ln, Cul, PhBr 1. HBpin,…

A: Note : 1-hexyne reation with HBpin followed by PdLn is called Suzuki Miyura coupling. 1-hexyne…

Q: Leclanche dry cell: lead storage battery; Zn(s) → Zn2+(aq) + 2e-: Pb(s) + SO42-(aq) → PbSO4(s) + 2e-…

A: Half cell reactions of Leclanche dry cell and lead storage battery

Q: The mass spectrum of benzocaine is given below. Draw the structures of the fragment ions that give…

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Q: Calculate the amount in grams of solid K2CrO4 to make 100ml of a0.2 M aqueous solution of K2CrO4.…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: Chlorine-38, which undergoes beta-negative decay, has a half-life of 37.24 min. K/U T/I C (a)…

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

Q: Methanol can be used to prevent certain liquids from freezing in cold weather. Methanol is produced…

A: Given: Reaction of 3 molecules of CO with 6 molecules of H2 produces some amount of methanol.

Q: How much heat is gained by copper when 51.8 g of copper is warmed from 15.5°C to 76.4°C? The…

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Q: Mass spectra were acquired for 1,4-diethylbenzene and 1-methyl-4- propylbenzene. The base peak of…

A: Note : 1,4-diethylbenzene is losses methyl produces 119 base peak. Therefore the compound B is…

Q: Anhydrous CuSO4 is converted to CuSO4・xH2O to absorb water from certain liquids. What is the value…

A: We have to predict the value of x.