one of the following pairs cannot be mixed together to form a buffer? (b) NaC4H3O4, HCI (c) RbOH, HBr (d) КОН, НF ()

Q: c) Complete the following reaction scheme for structures E, F, G, H and I. F Br2 / H2O Cl i. BH3,…

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A: Balanced chemical reaction CaCl2 (aq) + 2 AgNO3 (aq) → Ca(NO3)2 (aq) + 2AgCl (s) In solution,…

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Q: In a cell, 0.50 mL of 0.75 M NaOCl and 2.50 mL of 5.50 x 10-6 M aqueous dye were mixed. The pseudo…

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Q: Question: Given a hypothetical polyprotic acid, H4A, prove that in solving for the pH of Na2H2A,…

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Q: Chemistry PLEASE NEED HELP ASAP!!!! Choose the list of group 2 elements that is ordered from lowest…

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Q: Part B: Avogadro's Law (Calculation) Directions: Fill up the table by solving the unknown quantity,…

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Q: Н. CH2OH но- -H FO H HO- Но H. но- Но- -H но H- H- -ОН H OH H- OH H- OH CH, OH CH2OH CH2OH А В For…

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Q: 38. Given: Al, 0, CI, N. Which has the greatest tendency to donate electrons and form positive ion?…

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Q: OH viii. ii. Br +En 6. X. 7. ix.

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Q: An electron in the hydrogen atom make a transition from the ground state to an excited level by…

A: Given: Wavelength of photon = 95.0 nm The value of principal quantum number(n) for ground state = 1…

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A:

Q: + а. Bohr b. Dalton C. Rutherford d. Thomson 3. Which atomic model was the first to show a nucleus,…

A: 27) in the Given figure, the model of an atom was proposed by Thomson.

Q: c) Complete the following reaction scheme below with reagents N and O, and structures P and Q. НО N…

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Q: Water is an amphoteric compound. True False

A: Water is amphoteric in Nature because it acts as acid as well as base

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A: ->when alkene reacts with Br2 it give trans addition of bromine atom .

Q: During the titration of 50.0mL of 0.1098M HCl using a standardized 0.0750M NaOH solution, what would…

A:

Q: Calculate the gravimetric factor used to obtain the % Ca when if your final precipitate is…

A: Given that -  Compound - CaC2O4-H2O  And, atomic weights of different elements are -  Ca = 40, C =…

Q: Use the diagram below to answer numbers 5-6 Solid Liquid Gas 5. Which of these conclusions can be…

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Q: QUESTION 3: What is the mass (in grams) of fluorine gas is needed to react completely with 17.8g of…

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Q: Draw the ICE table and calculate the value of K. for the equilibrium system: H2(8) 12(3) 2 HIg) at…

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Q: c) Study the following reaction scheme for the preparation of a natural glycoside (compound 7) and…

A: Here we are required to show the mechanism of acetylation for the compound 3

Q: Ammonia is a weak base (Kb = 1.8 x 10-5). What is the pH of 1.2 M ammonia? 2.33 4.74 9.26 10.14…

A: Given, Concentration of the ammonia (C) = 1.2 M Kb  for Ammonia (NH3) = 1.8 × 10-5 Note: Ammonia…

Q: The equilbrium constant, Ke, for the following reaction is 0.215 at 673 K: NHẠI(s) NH3(g) + HI(g)…

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Q: 11. During heat conduction in solids * a. the energy of the particles expands. b. the particles…

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Q: 47. Of the elements shown in the Periodic Table, which is the most reactive? III IV V VI VII I I Li…

A: Most reactive element is Potassium(K). This is alkali metal so reactivity is highest. Option (d) K…

Q: A soluton with a pH of 2.5 is:   a. acidic   b. neutral   c. basic

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Q: 5. What are the IUPAC names of these compounds CH,CH, (а) СН,СHCH,СНCH,CH CH, CI (b) CH,CH,CHCHCHO…

A: For IUPAC naming following steps are required- First of all identify the longest carbon chain…

Q: QUESTION 7: Metals react with oxygen gas to form metal oxide. For example, magnesium reacts as…

A: Given following balanced Chemical equation -  2Mg(s) + O2(g) ---> 2MgO(s)  Also given that , mass…

Q: Problems 1. A 1000L tank is full of seawater with a salt concentration of 35 g/L. The solution is…

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Q: Propose a structure for this dianion and suggest why it forms so rea

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Q: िज एवली टवगेकक व्ंणना ।क +he mmolecqle Shown bleow tabet Explaim why is mote cute is relatively…

A: For hybridization -> Steric number = No. of B.P + No. of L.P If Steric no = 2 -> sp If steric…

Q: 30. Based on the given data, which of the subatomic particles is the lig Particle Charge Mass (kg)…

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Q: The pOH of the solution of NaOH is 11.3. What is the [H3O+] for this solution? a.5.01 x 10-12 b.4.0…

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Q: Which of the following is NOT a property of bases?   a. forms a precipitate with most metal ions…

A: Which of the following is NOT a property of bases?

Q: If the atom zy has 6 electrons in its second energy level determine the total number of electrons…

A: Number of electrons in second energy level = 6

Q: Will a precipitate form when 25.00 mL of 0.0005 M Ni(NO3)2 is added to 25.00 mL of 0.00025 M Na2CO3?

A: Solubility Product is the dynamic equilibrium that exists when a chemical compound in solid state is…

Q: Which of the following describes the second law of thermodynamics? deltaS(system) + deltaS…

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Q: For each of the following disaccharides, circle the glycosidic linkage and indicate the type of…

A: here we are required to identify the glycosidic linkage and indicate the type ofglycosidic linkage

Q: Determine K for each of the following reactions Determine AGan for each of the following reactions…

A: Given that, a cell reaction is Cu2++S2O42-→Cu(s)+SO32-, in a basic medium. The pH is 8.9. So, the…

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Q: property of air is shown whêh a bottle Wa ? * a. The air molecules became closer to each other. b.…

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Q: 5. What are the tips you can give in choosing and using insect repellants?

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Q: A 50.0 mL solution of 0.1911 M HCl was titrated using a 0.2561 M standardized NaOH solution. Compute…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.