How to prepare a 50mL of pH 10 buffer by using 15M NH3 and solid form of NH4Cl

Q: Which ion has the largest ionic radius? Na+1   Mg+2   Al+3   S-2   Cl-1       Na+1     Mg+2…

A: Ionic radius - It is the distance between the nucleus of an ion to it's outer most shell electron.…

Q: What types solute are able to change both the electrical conductivity and osmolarity as well?

A: solute are the particles which are present in less amount or  quantity in any solution and on the…

Q: doesn't 2-pentenol have a double bond

A: Using the structure of 2-pentenol, existence of double bond can be found out. Only one double bond…

Q: Indicate all the resonant structures. :O: +

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Q: 10.117 A series of reactions is carried out in separate containers at a constant volume and a…

A: The ideal gas equation is PV =nRT P is the pressure V is the volume n is the moles of gas R is gas…

Q: Which of the following molecules will have the largest London Dispersion Forces: (a) H₂CO b. C₂H4 c.…

A: The attraction forces between the different molecules are known as intermolecular forces. In general…

Q: If 141.5 mL He balloon rises in altitude from sea-level where the pressure is 1.00 atm to 789ft.…

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Q: 2 3 4 1 1H + 1H → He +on+ energy According to the above reaction, how much energy is released when…

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Q: Não + XOME NaOH excess ora Son NaOH OH jubna ONa NaOH доме

A: Hydroxide ion attack on ester carbonyl to produce tetrahedral intermediate which collapse into…

Q: The first five vibrational energy levels of ¹H¹²71 are at 1144.83, 3374.90, 5525.51, 7596.66, and…

A: Solutions

Q: Ethylene (C₂H4) can be polymerized to form polyethylene, a useful material in many products. Based…

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Q: If a process has a negative entropy change for a system but is still a spontaneous process, which of…

A: The relation between Gibbs free energy, enthalpy and entropy is - ∆G=∆H-T∆S And we can determine…

Q: 1 4 7 +/- Question 11 of 25 Given the following reaction: 2C₂H₂(g) + 50₂(g) → 4CO₂(g) + 2H₂O(g) AH =…

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Q: 2SO₂(g) + O₂(g)2SO₂ (g) AG205-141.0 Choose one: kJ Spontaneous Nonspontaneous

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Complete and balance the following neutralization reaction. The products are H3PO4(aq) + KOH(aq)…

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Q: why is oxygen 0 for enthalpy and not entropy? Explain Why for both please. Thank you!

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Q: Consider 15 mL of an aqueous solution containing 2.0 g of an organic solute. If the distribution…

A: Given:-  Dissociation constant for water and ether= 20 Weight of solute= 2g Volume of ether used for…

Q: 1.065 g of stainless steel was dissolved in hydrochloric acid (chromium as Cr 3+ ) and diluted to…

A: Given ---> Stainless steel solution=1.065g Volume of water for dilution= 500ml At walder…

Q: A student proposes the following Lewis structure for the dinitrogen monoxide (N₂O) molecule. N=N=0…

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Q: Draw the product of the E2 reaction shown below. Include the correct stereochemistry. Ignore any…

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Q: QUESTION 1 What type/s of nuclear radiation is/are the most dangerous to people? O Alpha Beta Gamma…

A: We need to answer a question from radiation and another one from thermodynamics. One is related to…

Q: Find at least four organisms that are bioluminescent.

A: Bioluminescence is the production and emission of light by living organisms. It is a form of…

Q: Determine the pressure change when a constant volume of gas at 4 atm is heated from 27 degree…

A: Answer:- This question is answered by using the simple concept of gaseous law which involves the…

Q: 2Sc(s) + Cr₂0,2(aq) + 14H*(aq) →2Sc³+ (aq) + 2Cr³+ (aq) + 7H₂O(1) Type your answers in all of the…

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Q: s actua

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Q: Two of the 5 things below would increase the diffusion constant of an organic molecule "X" in a…

A: The explanation is given below-

Q: CaO(s) + 2HCI(g) → CaCl₂(s) + H₂O(l) AS⁰ = C₂H4(g) + H₂(g) →C₂H6(g) AS⁰ = J/K J/K

A: Using the provided standard entropy values of some substance, we can determine the entropy of…

Q: A student would like to calculate the density of a metallic solid. The solid was massed on a…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: What is the major product for the reaction below? OH A H₂SO4 B C D

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Q: What is the pH of a 0.010 0 M solution of sodium hydrogen phosphate, also known as dibasic sodium…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: The compound below is treated with chlorine in the presence of light. CH3 CH3CHCH₂CH3 Draw the…

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Q: H₂O₂ base CI OH + 1,2-dioxetanedione CO₂*

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Q: 5. Proton NMR C6H1402 4.5 4.0 2 2 2 3.5 3.0 2.5 2.0 Chemical Shift (ppm) 22 1.5 3 1.0 0.5

A: Molecular formula - C6H14O2

Q: H-CC-CH₂ H Complete the synthesis of disparlure from the shown starting material by providing the…

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Q: The heat of vaporization of ammonia is 21.7 kJ mol-¹ and the boiling point of ammonia is -33.3 °C.…

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Q: pSCN- is determined potentiometrically using S.C.E. and Ag electrodes. Calculate pSCN- when the cell…

A: Given: pSCN- is determined potentiometrically using the cell consisting of a saturated calomel…

Q: Select all crossed aldol products. с & a) H2O b) c) NaOH d) f) 9) OH д HO OH OH НО о

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Q: A sample of gas at 35.8 psi is heated from 25.0 °C to 100.0 °C. Assuming the volume is constant,…

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Q: Consider the following equilibrium: N₂(g) + 3H₂(g) AG-34. KJ Now suppose a reaction vessel is filled…

A: In this equilibrium, the ammonia molecule is broken into nitrogen and hydrogen gas. The equilibrium…

Q: For the  [Fe (SCN)2  (o − fen)2 ]ClO4 complex answer: a) Write the STOCK name of the compound. b)…

A: o-fen or o-phen is a neutral bidentate ligand, so it will have 0 charge. SCN has a -1 charge and…

Q: (6) Predict the product(s) in each of the following. Indicate stereo chemistry if applicable and…

A: -> Hydroboration oxidation of alkene give antimorkovnikov addition of H2O overall . -> Alkene…

Q: Draw the complete electron pushing mechanism that is enzyme catalyzed.

A: In this question, we will draw the complete stepwise electron pushing mechanism by using enzyme…

Q: What is the temperature (in K) of a sample of nitrogen with an root-mean-square velocity of 577.0…

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Q: The barometric pressure is 750.8 torr. The water vapor pressure at the temperature at which the…

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Q: (6) Predict the product(s) in each of the following. Indicate stereo chemistry if applicable and…

A: We have to draw the major products of the given reactions. Introduction: Hydroboration oxidation…

Q: Which compound corresponds to an unsaturated hydrocarbo A) methoxyethane B) butanal C) propionic…

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Q: Write balanced chemical reactions describing the following processes: 4a. oxidation of ethanol…

A: Answer:- This question is answered by using the simple concept of balancing the redox reactions…

Q: When the equation C₁₂H₂₂O₁₁ + O₂ → CO₂ + H₂O is correctly balanced using the smallest whole number…

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Q: Consider the gas sulfur trioxide which has a formula of SO₃. This gas has a molar mass of 80.07…

A: Given : mass = 43.4 g

Q: a. a. $X $ -Br c. HO d. b. b. u Br OH

A: The names of the organic compounds are given below -

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.