21) Calculate the [H₂O'] and pH of each polyprotic acid solution a) 0.350 M H₂PO b) 0.350 M H₂C₂O. c)0.125 MH,CO,

Q: The metals in Group IIIA, IVA, and VA of the periodic table are not transition metals. However, all…

A: The element is having, Group - IIIA  Period - 3 Find the: name of the element= ? charge on the…

Q: The Ao energy corresponds to the electron transition: [A] [B] [C] [D] 3T2g ← 3 A29 3 A2g 3T 19…

A: Orgel diagrams are useful for showing the energy levels of both high spin octahedral and tetrahedral…

Q: Calculate the pH of a 0.036 M nitrous acid (HNO2) solution: HNO2 (aq) → H* (aq) + NO₂ (aq)

A: HNO2 is weak acid.  Ka for HNO2 = 4.5× 10-4

Q: Order the following species with respect to carbon-oxygen bond length (longest to shortest). CO,…

A: We have to take certain facts into consideration-  1) As the double bond character increases bond…

Q: What is the expected major product of the following reaction? Include appropriate stereochemistry,…

A: The given reaction is an example of the base catalysed hydrolysis reaction of ester to form…

Q: 5. List the following alkyl halides in order of decreasing reactivity toward SN1/E1 reactions (from…

A: SN1 reaction proceeds through carbocation formation, stability of carbocation increases, reaction…

Q: What is the name of the following? NO₂ CI

A: we have to write the name of the given molecule

Q: 9. Provide the product of the reaction. CH3 H₂C H₂C =CH₂ H3C H₂C 1) H3PO4, A 2) H₂O 10. Provide the…

A: The given reactions explains the acid catalysed hydration reaction of alkenes to form corresponding…

Q: rrange these elements according to electron affinity. Most energy released by gaining an electron…

A: Electron affinity: It is defined as the energy released when an electron is attached to an atom in…

Q: For the reaction CH₁ (9) + H₂O(g) → 3H₂(g) + CO(g) ΔΗ° = 206.1 kJ and AS° = 214.7 J/K The standard…

A: If for a reaction, ∆G° = +ve then reaction is Reactant favoured &  ∆G° = -ve then reaction is…

Q: H₂ co₂l = co₂et's A часиз CO₂CH3

A: Diels-Alder cycloadditions.

Q: abel the peaks of the product of 5 bromo pyramidine reacting with bornic acid (see second pic

A: 1H-NMR spectroscopy is mainly used for the identification complete structure of unknown compound.

Q: the pH of a solution forme 1Br is ad L of 0.070 M HF to form a 400 mL solution? Ka(HF) = 6.3 x 10-4…

A:

Q: According to Avogadro's law, what do equal volumes of ideal gases at the same tempera- ture and…

A: Avogadro's Law: According to this law, equal volume of ideal gases at the same temperature and…

Q: Target Reaction: Step Reactions: 1 2 AB3 (8)→ A2B4 (1) + B2 (8) 2 2 AB3 (g) → A2 (g) + 3 B2 (g) -…

A: Answer: Enthalpy of a reaction is an extensive property, it can be added or subtracted the way…

Q: Apparatus: ... Materials and Methods P1000 Gilson and blue gilson tips 3 disposable cuvettes…

A: We have to plot the graph of absorbance vs time and determine the rate of the reaction.

Q: Consider the reaction CO(g) + Cl₂(g)- →COCI₂(g) Using the standard thermodynamic data in the tables…

A: At 298.15 K the standard change in free energy of a reaction can be calculated by the following…

Q: For each of the fo how many electro of numbers. n = 2 M

A:

Q: thethod betstoЯ НН HH HH HH NN HH НН НН НН HH NN HH A NN НН HH HH HH ixa no boxzA НН NN НН НИ HH НН…

A: In the figure N2 and h2 are reacting with each other and form ammonia . It’s shown in diagram that…

Q: Synthesize from Br но Br OH

A: The reaction of a bromo compound with sodium hydroxide (NaOH) to form an alkene is known as the…

Q: Provide the name of each compound in the reaction. b) Provide the mechanism of the transformation

A: This molecule is carbohydrate unit known as D-Allose. Every six carbon carbohydrate unit exists as…

Q: Can you solve part d, e and f of this question

A: pH of a weak acid is  pH = -log ✓Ka*C   Where ,  Ka is acid dissociation constant C is concentration…

Q: What are the wavenumber values for the following organic functional groups: C=O Aldehyde, Ketone,…

A: In the IR spectrum of wavenumber value for carbonyl group was observed in the range between…

Q: Explain the criteria and chemical shift ranges in determining 2D NMR. Provide an example (with…

A: Two-dimensional NMR -  this NMR provides information regarding  a molecule better than…

Q: N₂(g) + 3H₂(g) = 2 NHz (g) 1. In the Haber if •process, what happens. Hydrogen gas? you add more

A: Since, According to Le-Chateliar principle--Changing concentration affect the equilibrium. When…

Q: Part A Indicate if each of the following is soluble in water. Drag the appropriate compounds to…

A: Amines are soluble in water because of their ability to make Hydrogen bond with water molecules.

Q: Consider the sparingly soluble salt AB(s) for which AB(s) ⇌ A+(aq) + B−(aq). Calculate the Ksp value…

A:

Q: Are the following Redox reactions or non-Redox reactions? If you determine that they are Redox,…

A: we have to determine if the given reactions are redox  or non-redox and the species oxidized and…

Q: What product are expected from the following reaction? OH H₂SO heat □ a. 2-Methyl-3-pentene O b.…

A: Saytzeff’s Rule : Elimination reactions of alcohol will result in different alkenes. The major and…

Q: C. HO CH3 HS CH3

A:

Q: Describe the Bohr model of an atom containing 5 electrons. How does the electron cloud model differ…

A: Niels Bohr proposed a simple model of the atom in 1913, which became known as the Bohr model. It is…

Q: 15) A 0.115 M solution of a weak acid (HA) has a pH of 3.29. Calculate the acid ionization constant…

A:

Q: 17) Determine whether each anion is basic or neutral. For those that are basic, write an equation…

A: Anion which reacts with water is basic in nature because it accepts H+ from water and releases OH-…

Q: Provide reasonable step-by-step mechanisms for the following reactions. Use arrows to indicate the…

A: This reaction is the formation of cyclic ether by intramolecular reaction.

Q: 15. Identify the functional group(s) in each compound i CH3CH₂CCH3 2-butanone (a solvent for paints…

A:

Q: Calculate the theoretical yield in grams of Na, S for the reaction (the expected mass of Na, S…

A: To solve this problem we have to calculate the Theoretical Yield of Na2S .

Q: Order the compounds from most basic to least basic. NH₂ 1 O5>4>1>3>2 O4>5>1>2>3 O2>1>3>4>5 5>4>3>1>2…

A:

Q: 19) Determine whether each cation is acidic or pH neutral. For the acidic cations, write an equation…

A: Cation are Lewis acid which accepts the electron pair from an electron donor.

Q: Predict the following structures, including stereochemistry. (1) N 1. LDA, THF 2. ОНС. ***** Ph A…

A: The given question is a simple asymmetric aldol synthesis followed by deprotection or removal of…

Q: Consider the following standard reduction potentials in acid solution:     Co2+ + 2e– ---->  Co (s)…

A:

Q: Devise concise syntheses for the following transformations. Clearly show the reagent and product for…

A: The synthesis is shown below We have to give the multi-step synthesis.

Q: Calculate the value of Eºcell for the following reaction as written: HINT: Identify what is being…

A: Answer: In a cell reaction, oxidation always occurs at anode and reduction always occurs at cathode…

Q: A container of nitrogen gas contains 0.55 mol at 7.0 atm and 45°C, and it has a volume of 2.0 L.…

A:

Q: 6. List the following alkyl halides in order of decreasing reactivity toward SN2 reactions (from 1:…

A:

Q: please answer the last 3 sub-

A: To provide the temperature at which a solid phase will begin to form and the temperature at which…

Q: Container A contains 1.00 mole of Ar gas and Container B contains 1.00 mole of He gas. Both gases…

A: Rate of diffusion is inversely proportional to the square root of molar mass of the gas. r = 1√M  r…

Q: 10 9 8 DO 7 (C 9 5 4 - M 3 N O

A: The question is based on the concept of organic spectroscopy . we need to analyse the spectra and…

Q: What kind of inhibitor is Cimetidine? a) Combined

A: The question was about the type of inhibitor that cimetidine is. Cimetidine is an H2 receptor…

Q: Which of the following increases moving down a column on the periodic table?   ionic radius,…

A: Given properties, Ionic radius, electronegativity, atomic radius, ionization energy   Which of the…

Q: 12) Calculate the percent ionization of the following solutions. a) 0.125 MHCN c) .100 M HCHO, b)…

A:

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.