What is a buffer solutions? * O A solution that resist pH changes whenever an acid or base is added All of the given choices are correct OA solution that contains a weak acid and its conjugate base OA solution that contains a weak base and its conjugate acid Sodium Acetate and Acetic Acid is a buffer solution Ammonium hydroxide and Ammonium Chloride is an example of buffe

Q: 2. Dip-coating process is one of the methods for electrode surface modification.

A: Yes it is true ... Dip coating process us one the process of electrode surface modification

Q: Use the VSEPR model to predict the bond angles about each numbered atom. HI The predicted angles…

A: VSEPR theory describes the arrangement of atoms in the space in such a way so that the interaction…

Q: What salt will be formed from the following acid base reaction? HNO2 + KOH

A: Acid base reaction: Acid base reaction is a reaction between an acid and a base to produce salt and…

Q: Be sure to answer all parts. For the compound shown below: [1] select all the chirality centers; [2]…

A: As mentioned in the question, we are answering only part 4 of the question

Q: Na and Br Cu and SO Pb and Cl K and S Sn" and F and and and and and and and Bal, AICI, Mg(NO₂), KOH…

A: Identify the cation  Identify the anion  Write the cation first, followed by the anion. Adjust the…

Q: Suppose a 250. mL flask is filled with 0.60 mol of H₂ and 0.30 mol of HI. The following reaction…

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Q: (60. cm³). = 7m³

A: Given, (60. cm3) = ? m3 Note:  As we know that, 1 cm3 = 10-6 m3

Q: 7. A 0.4021-g sample of a purified organic acid was dissolved in water and titrated…

A: Here we are required to find the molecular mass of the acid

Q: Write the structure of a ) Neopentane b ) Trichloro ethanoic acid

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Q: QUESTION 12 Which compound is an amide? OA. H H H-C B. O C. H H₂C- H NH₂ H CH, NH,

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Q: What structure below corresponds to 2-methyl-2-hexene? OA. (CH3)2C=CHCH2CH2CH2CH3 OB. CH3 O D. C:…

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Q: CO(g) + H₂O(g) = H₂(g) + CO₂(g) Kc = 7.3 @ 823 K A closed 5.0 L container initially holds 3.0 moles…

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Q: What is the pH of a solution with a [H3O^+] concentration of 7.44 x 10^-5 M?

A: Given, Concentration of H3O+ ion = [H3O+] = 7.44 x 10-5 M pH of the solution = ? Note: pH: it can…

Q: Which of the following is an example of co-precipitation error?     mixed-crystal formation…

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Q: can you answer the rest

A: During IUPAC nomenclature first we have to find out the parent chain, then we will find the priority…

Q: Calculate the [H3O+] of a 0.280 M acid solution; Ka=3.10 x 10-9 Group of answer choices   5.92 x…

A: Given, Concentration of acid solution (C) = 0.280 M Ka value of acid = 3.10 × 10-9 [H3O+] = ? Note:…

Q: a) Identify the chemical type of each compound (2a to 2c) b) On the diagram a, CIRCLE all the chiral…

A: A carbon atom is said to be  chiral centre,if it is connected to four different substituents.  One C…

Q: Consider the reaction: Mg(s) + 2HCl(aq) → MgCl2(aq) + H₂(g) -> Which method would NOT be suited to…

A: Here we have to predict the factors that are suited for monitoring the given reaction rate.

Q: give the orbital diagram of given names

A: The electron will fill into orbital according to Aufbau principle, the lower energy orbital will…

Q: Part 4 out of 4 3 attempts left 6 7. 5 8 4 3 2 OH (select) (select) C1 Check my work C2 C3 C4 C5 C6…

A: A center will be the chiral center if carbon is attached with four different groups. A molecule can…

Q: a)When an element is Oxidized, which of the following are true?   a Electrons are Lost and the…

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Q: In the laboratory you dilute 3.59 mL of a concentrated 3.00 M perchloric acid solution to a total…

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Q: A 1.0 L buffer solution contains 0.100 mol HC₂H3O₂ and 0.100 mol NaC₂H3O₂. The value of K₂ for…

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Q: Phosphoric acid reacts with water to yield dihydrogen phosphate ions and hydronium ions:…

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Q: Question 52 When using perfectly renewable power supplies, the extraction of aluminum from ore…

A: A question based on environmental pollution that is to be accomplished.

Q: Part 3 out of 3 (e) Determine the standard enthalpy of formation of ethanol (C₂H5OH) from its…

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Q: Match the following enzymes in Rows with their classification in Columns. sucrase phosphokinase…

A: Examples of various types of enzymes

Q: What pressure will 2.6 x 1023 molecules of Rn exert in a 3.9 L container at 45°C? O 4.6 atm O 2.9…

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Q: 17. Compute for the boiling point elevation of the solution. * OA. 100.08 °C OB. 103.25 °C C. 100.81…

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Q: Acetic Acid (AA) + Ethanol(Eth) = Ethyl Acetate (EA) + Water [AA] = 0.020 M [Eth] = 0.020 M [H₂O] =…

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Q: For questions 13-24, name the following compounds OH ملک کی مجھ تم مني 13) 16) 14) 17) 0 15) oro 18)…

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Q: Calculate the pH of a 0.15 M acid solution; Ka=2.95 x10-8 Group of answer choices 4.18 6.36 2.09…

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Q: Ammonia, NH3 (g), is produced when nitrogen gas reacts with hydrogen gas at 304 kPa and 25.0°C.…

A: Here we are required to find the percentage yield of ammonia formation

Q: Question 31 During the removal of C in the basic oxygen furnace stage, the reaction of C is:…

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

Q: 9. The equipment of choice to treat particulate matter from electric power plants is____. 10. In…

A: Particulate matter : These are the suspended impurities present in atmosphere , it is  liquid…

Q: How many of the following pairs (Name/Formula) are INCORRECT? copper (II) oxalate / CuC₂04 potassium…

A: Here, we have to find the number of pairs (Name/Formula) that are incorrect.

Q: BaSO4(s) = Ba²+ (aq) + SO2 (aq) Ksp = 1.5 x 10-9 @ 25 °C [Ba2+] = 3.9 x 10-5 M What is the…

A: Let the solubility of the ions (formed by dissociation of BaSO4) be "S". The relation between ksp…

Q: e IUPAC name of the compound below? HỌC-CH,-C—NH, OA. Propanamine B. Propanamide OC. Ethylamide OD.…

A: 3) The IUPAC name of the given compound is

Q: Compute the packing efficiency of the unit cell with the cross-sectional view as shown.

A: Packing fraction is 78.5%

Q: Which of the following compounds would you expect to undergo aldol self- condensation? Show the…

A: A condensation reaction is that in which two mole of the same molecule are condensed.

Q: A titration is carried out with a 0.250 M NaOH solution and 35.0 mL of a 0.200 M CH3COOH solution.…

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Q: The band diagram of Copper is: Select one:

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Q: Give good explanation Asap Thanks Sulfur dioxide reacts with carbon dioxide to form an…

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Q: The data below were collected for the reaction represented by the equation: CH₂Cl (g) + 3 Cl₂ (g)…

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Q: The following reactions happen simultaneously when HCl is added to a mixture of Mg(OH)2 and MgCO3:…

A: Given :  Mass of mixture = 25 gm  % of MgCO3 = 35.2  % of Mg(OH)2 = 64.8  Density of HCl solution =…

Q: How many of the following pairs (Formula/Name) are INCORRECT? KMnO4 / potassium manganese tetraoxide…

A: Given statement is :  How many of the following pairs (Formula/Name) are INCORRECT ? KMnO4/Potassium…

Q: Given the following reactions N₂ (g) + 202 (g) → 2NO₂ (g) AH = 66.4 kJ 2NO(g) + O2 (g) → 2NO₂ (g) AH…

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Q: A sample of water with a mass of 662.8 g undergoes a temperature change from 81.40°C to 18.91°C what…

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Q: Rusting steel will form Fe₂O3. However, the protective coatings of galvanized iron and stainless…

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

Q: A 20 mL solution containing both Ca2+ and Mg2+ cations is diluted in to 100 mL. When 10 mL of this…

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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.