4. O: 3.

Q: A diprotic base (B) has pK, values of 3.33 (pK5i) and 6.66 (pK2). Which of the equalities is true…

A: Here we have to determine the predominant species of a diprotic base B at different pH. Given pKb1=…

Q: Anant Gyan Date Page below. over comp0unds A annd Bane arawn which one has ahigher boiding point end…

A:

Q: 6. A. What is the component concentration ratio, [NH3/[NH4 *] of a buffer that has a pH of 9.18? B.…

A:

Q: OH A Write the reaction with MECHANISM?

A:

Q: sample of oxygen is collected over water at a total pressure of 890.7 mmHg at 19°C.  The vapor…

A: Which one of the following is correct answer

Q: Ch., 4) A 11.31 g sample of a competitor's "SonicBloom" fertilizer is analyzed for its phosphorus…

A:

Q: Non-Spillable/Sealed Lead Acid, Lithium-ion (Li-ion), Alkaline & Zinc Carbon, Lithium (Primary),…

A: A lead-acid battery has large capacity rechargeable batteries. They are generally used in…

Q: . The process of purifying soap by adding excess NaCl is called_________* Salting-in Salting-out…

A:

Q: The vapor pressure of mercury at 25 °C is 1.85 mmHg. Calculate the vapor pressure in atm and torr.…

A: Convert mmHg to atm and torr-

Q: An analytical chemist is titrating 86.9 mL of a 0.7900M solution of piperidine (C,HNH) with a…

A: Here we are required to find the pH of the solution

Q: 6- Which of the following represents the correct ground-state electron configuration for As? а. None…

A: Electronic configuration: Electronic configuration can be define as the arrangement of electrons…

Q: Give examples of chemical reactions for both saytzeef product and hofmann product. state the iupac…

A: When a removing group or Molecule removed from the compound, alkyl halide then , the removal take…

Q: 6. Consider the following reaction: 2Fe²⁺(aq) + Cu²⁺ → 2Fe³⁺(aq) + Cu. When the reaction comes to…

A: Given,  The reaction: 2Fe²⁺(aq) + Cu²⁺ → 2Fe³⁺(aq) + Cu. When the reaction comes to equilibrium, the…

Q: 5. Calculate the 14 Nd/1"Nd ratio of a basalt after it has interacted with seawater, given the…

A:

Q: A solution contains 43 mEq/L of Cl- and 11 mEq/L of HPO42-.  If the only cation in the solution is…

A: An equivalent for an ion is calculated by multiplying the number of mole of that ion by its valence.

Q: Which of the following species would be expected to have chemical properties most similar to those…

A: See explanation

Q: ...|||| ....||||| B. ..||||||

A: When the substituent are present at equatorial position are more stable than the compound having…

Q: Balance the following equation and then answer the related question N2 + 12- NI3 How many moles of…

A: Given-> For qestion-10 mole of NI3=37.0 mol  Moles of N2=? For question-11  Weight of CO2=19.0g…

Q: 8. What products do you expect from the reaction of the following ethers with HI? (a) (b) CH3 CH3 ?…

A: Q8. In presence of HI , the ether gets protonated first and then if there is possibility of…

Q: || Question 15 A calorimeter holds 25 g water at 25.0°C. A sample of hot iron is added to the water,…

A: Given,  Mass of water = 25 g.  The initial temperature of water is 25.0 °C The final temperature of…

Q: An analytical chemist is titrating 215.7 mL of a 0.2900M solution of dimethylamine ((CH, NH) with a…

A: To Calculate the pH, we would first Calculate moles of both compounds and draw an ICE table.  Based…

Q: What ratio of sodium oxalate (Na2C2O4) and sodium hydrogen oxalate (NaHC2O4) is required for a…

A: Conjugate base of  NaHC2O4 (aq) is Na2C2O4. Mixture of both make buffer solution.

Q: When silver crystallizes, it forms face-centered cubic cells. The unit cell edge length is 4.087 Å.…

A: Silver forms FCC structure Unit cell edge length (a) : 4.087 Å Number of Ag atoms in FCC crystal = 4…

Q: rank the following atoms in order of decreasing size and explain your ranking: K+, Cl, S, Cl-

A: Atomic radius increases on going down the group in periodic table and radius decreases on going left…

Q: Solids are more soluble in water at Select J Gases are more soluble in water at [ Select ] [ Select…

A: Given statements are :  a). Solid are more soluble in water at (i) cold temperature or (ii) hot…

Q: স कह पलपचछ nव पाउज्चकैर Poांnार शु:फव ्४र खट following Nog , Coz- १०५) वतत स्वत्ट)'

A:

Q: enumerate the importance of fuel cell

A: A question based on electrochemical cells that is to be accomplished.

Q: What would be the formula for an ionic compound composed of the ions    X2+  and   Y1− ?What would…

A: Ionic compounds can be defined as the compounds containing ionic bonds.ionic compounds contain ions

Q: LiF has the same unit cell as NaCl(fee). The edge length of the LiF unit cell is 402 pm. Determine…

A:

Q: 9. The rotational spectrum of HCN is in far-infrared region, one part is 2.96 cm", 5.92 cm*, 8.87…

A:

Q: What is the Oxidation and Reduction For the reaction: 2Al + 6HC1 2AICI3 + 3H2 -> And find the Nernst…

A:

Q: Question 26 (3 points) The number of copper atoms present in 2.35 ng of copper wire equal...…

A:

Q: रह वीननयष्णाज হা wnbo oके जंक अदकांकीलकाये वोठोनेर ककdे नापता bर्धाा + ीभ्लानीदवकक िशज ?

A: There is only 1 significant digit. The zeros are place holders. The zeros to the right of the…

Q: The element hafnium, Hf, is used in control rods for nuclear reactors and as an insulator for…

A:

Q: For an ideal gas, find explicit expression for the partial derivative: * ƏT V

A:

Q: A chemical engineer must calculate the maximum safe operating temperature of a high pressure gas…

A:

Q: 4. (1) Calculate the translation energy (ɛ, ) for O, molecule with quantum states n̟=1, n=1n=1 in a…

A:

Q: One type of iron nail is coated with another metal in order to reduce corrosion. A solution of the…

A:

Q: P3.2. Calculate AS (in J K-1) when the state of 2.0 mol diatomic ideal gas is changed from 25 °C and…

A: Temperature and pressure are changed here , so we would use formula to calculate ∆S .

Q: 4. Present a schematic representation of the Lineweaver-Burk Plot and equation.

A: ANSWER NUMBER 4:- It is the graphical representation of enzyme kinetics. Detailed schematic…

Q: IR Spectrum of the Grignard Product 100 98 96 - 94 - 3001.1 1583.4 2558.7 92- 3070.7 2672.3 934.2…

A: Ir spectroscopy tells us about the functional group present in  the compounds .

Q: Determine the molarity of a solution of potassium chloride that is prepared by dissolving 1.7385 g…

A: Molarity is defined as number of moles of solute divide by volume of solution

Q: What mass of a 6.0% NaOH solution contains 12 grams of NAOH? Enter your answer in grams in the space…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Chemistry written by hand.    Calculate the concentration of F- using M1V1=M2V2 if 0.027g of NaF…

A: Given the mass of NaF taken = 0.027 g  Volume of the solution prepared = 250.00 mL

Q: The solubility product for chromium(III) fluoride is Ksp = 6.6 × 10⁻¹¹. What is the molar solubility…

A:

Q: A hemoglobin(Hgb) test measures 14.5 grams(g) of Hgb per 100 milliliters(mL) of blood. If the…

A: Given,  A hemoglobin(Hgb) test measures 14.5 grams(g) of Hgb per 100 milliliters(mL) of blood. If…

Q: What is a saturated solution? O A solution that can't dissolve additional quantities of solute O A…

A: We have to predict the correct statement for saturated solution.

Q: Which of the following changes is an exothermic chemical reaction? A combustion of methane B…

A: The energy difference between the products and reactants is known as the energy change of a…

Q: The current reduces 0.2257 mol M, resulting in 11.5 g of metal being collected at the cathode. What…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: The pH at 10, 100, and 110% titration (% of the equivalence point volume) for the titration of…

A: Solutions                           Given that the pH at 10, 100, 110% titration.