1) Write the solubility product equilibrium and the solubility product constant expression for beryllium fluoride.

Q: In both examples below the reactants shown are combined to bring about a nucleophilic substitution…

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Q: A student bubbled sulphur dioxide gas into acidified potassium permanganate solution. a.Write an…

A: Given,  A student bubbled sulphur dioxide gas into acidified potassium permanganate solution. a.…

Q: 3..How many grams of CrF3 will dissolve in 250 mL of water? For CrF3 the molar mass is 108.99 g/mol…

A: Given-> Volume = 250 ml = 0.250 L.     (1L = 1000 ml) Molar mass of CrF3 = 108.99 g/mole Ksp =…

Q: kJ AGrxn

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Q: Acids turn blue litmus paper red. Does the red litmus paper change color with acids? acid acid blue…

A: Litmus paper is used to indicate acidity or alkalinity of solution.

Q: A sample of oxygen gas has a volume of 0.420 L at a temperature of 20 °C. At what temperature (in…

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Q: 5. Draw the most appropriate Lewis structure(s) for Oa. What is the electron domain geometry and the…

A: Given,  Molecule = O3  a). Draw the Lewis structure of O3 b). What is the electron domain geometry…

Q: 5. Consider the peptide bond formed between amino acids shown below. (fill in with numbers) Which…

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Q: a) AT STP, 0.280 L of a gas weighs 0.400 g. Calculate the molar mass of the gas. M=mRT 0.400g.0.082…

A: a) Given: Volume of gas = 0.280 L Mass of gas = 0.400 g. And conditions are STP.

Q: What is the binding energy in kJ/mol Br for bromine-81? kJ/mol 35 H+ 46;n-Br 81 The required masses…

A: Given- Binding energy of Bromine-81=? 3511H + 4601n ->3581Br

Q: 2. Can hydrogen peroxide be broken down by catalysts other than those found in living systems?…

A: Interpretation - We have to explain that can hydrogen peroxide be broken down by catalysts other…

Q: 12. (a) What volumes (in liters) of ammonia and oxygen must react to from 12.8 L of nitric oxide…

A: To find out the volume for NH3 and O2, we need to use the formula which contains volume and number…

Q: Silver is often extracted from ores such as K[Ag(CN),] and then recovered by the reaction: 2K…

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Q: Match each term in Column A with its description in Column B. Write the correct letter in the space…

A: Please find your solution below : Acids are the substances that have the ability to donate proton…

Q: Draw the topological structure of the following molecule, clearly illustrating the stereochemistry.…

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Q: Exe. The decomposition of hydlrogen perokide in to water and OKygen hasbeen found to be of first…

A: Formula used : For 1st order equation is ln[A] = ln[A]o -kt  where [A] is concentration at time t…

Q: Fill in the nuclide symbol for the missing particle in the following nuclear equation. Na

A: Positron emission is a nuclear reaction in which a positron (  0+1e ) is emitted.  It can be…

Q: Which of the following characterizes an alpha ray? Choose all that apply. O is attracted to the…

A: Characteristics of alpha rays...

Q: Calculate the atom economy of the balanced reaction of 3-nitrophthalic acid to luminol.

A: The given reaction is conversion of 3-nitrophthalic acid to luminol. We have to calculate the atom…

Q: Explain what happens to the "nerve evoked response" and the "direct muscle response" in the presence…

A: Tubocurare is the form of the compund of the alkaline class which is responsible to produce…

Q: Which of the following ions will react with water in a hydrolysis reaction: OA SO42- O B. Zn2+…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: In a healthy adult, mercury is removed from the body naturally but slowly. If a 500.0g piece of…

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Q: Complete the following nuclear bombardment equation by filling in the nuclear symbol for the missing…

A: Uranium splits into two smaller nuclei, krypton-92 and barium-141.

Q: If you want to reduce Sn* to Sn* and you have Fe", Fe, Al (s), and Al3+ available. What chemical…

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Q: Why are indicators useful?

A: To explain: Uses of the indicator.

Q: Draw the starting alkene that would lead to this the major product (and its enantiomer) under these…

A: Catalytic hydrogenation is a process in which treatment with H2 in the presence of catalyst like Ni,…

Q: For the reaction 2 Au (s) + 3 Ca" (aq) → 2 Au" (aq) + Ca(s) a. Write the oxidation and reduction…

A: 2Au(s)+3Ca2+(aq)→2Au3+(aq)+Ca(s) Given, EoAu3+/Au=1.42VEoCa2+/Ca=-2.87V As the electrode potential…

Q: 9. Starch is a mixture of two different polysaccharides, both composed only of D- glucose monomers.…

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Q: What reaction occurs at the anode? Select one: a. Ni2+ + 2e- → Ni b. Ni → Ni2+ + 2e- c. Ag+ + e-…

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Q: Ppm 7. The mean lifetime of the excited state produced by irradiating mercury vapor with a pulse of…

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

Q: What is the binding energy in kJ/mol La for lanthanum-139? |k]/mol 57;H+ 82;n The required masses…

A: 521H1 + 82 1n0 --->

Q: 13. A 2.5-L flask at 15°C contains a miyture of Na. He and Ne at partial pressure of 0.32 au N2,…

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Q: What role do you think the government should have in GMOs and why?

A: Please find your solution below : GMOs or Genetically Modified Organisms are the animals, plants or…

Q: Using the data below calculate the activation energy for the butadiene-ethene cycloaddition. Give…

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Q: 1ven Sred thered J ietiesontprotong nd the gorey hered repted onds ४क स १००nछ क्काण्छ ए o०४०…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: he orbital diagram of 13AI has _ unpaired electron(s). О 13

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Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Isotope Decay Half-life Use in Medical…

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Q: calculate density in pounds per cubic feet of ammonia gas at 100C when comfoned by a pressure of…

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Q: A sodium thiosulfate solution is standardized using pure copper as the primary standard. A sample of…

A: Given data,                                 Mass of Cu = 0.2624 g Volume of sodium thiosulfate =…

Q: Consider the following reaction where K. = 1.20x10-2 at 500 K: PCI5 (g) PCI3 (g) + Cl2 (g) A…

A: Q = reaction constant = [product]/[reactant]  For equilibrium, Q = Kc

Q: If the solubility of iron(II) hydroxide is 3.36 x 10-3 g in 4.90 liters at 18.0°C. What is the Ksp…

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Q: NH2

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Q: 1. It measures how good chiral molecules are able to rotate plane, polarized light. A. Specific…

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

Q: (a) Delineate the outcome of the foliowing reactions with mechanism : -NO2 diexan (i) reflux Ph…

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Q: a.How many grams of NaOH is required to prepare 20L of 0.75N solution? What is its molarity,…

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Q: 0.024 grams of solid silver chromate (Ag2CrO4) were added to 250 mL of water (final vol). How many…

A: Given: Mass of Ag2CrO4 taken = 0.024 g. And volume of solution= 250 mL = 0.250 L

Q: It was discovered that a beverage stored at room temperature (assume 25 degrees C) spoils 40 times…

A: The relationship between rate constant , temperature and activation energy is given by Arrhenius…

Q: Explain what happens to the twitch response in low Ca2+ and what the mechanism is? What happens as…

A: Solution - According to the question - Given - We know that the Ca2+ ions play an important role in…

Q: Write the formula of an alkyne containing 16 carbon atoms.

A: Alkyne is a hydrocarbon containing atleast one carbon-carbon triple bond.

Q: 1. The density of a gas at 0°C were measured at several pressures with the following results…

A: We have,    PM = dRT   M = dRT/P Where, P, M = pressure and molar mass of gas respectively d =…