Calculate the pH of a buffer solution containing 0.25 M NH3 and 0.34 M NH4NO3. Data: pKa (NH4+) = 9.24

Q: 24. Which is the correct sequence of reaction steps necessary to complete the following…

A:

Q: Why does the freezing point of a pure solvent remain as a constant value but the freezing point of a…

A:

Q: Which of the following statements is correct? O a. Higher osmotic pressure can be achieved from…

A: Osmosis is the process of movement of solvent molecule from lower concentration of a solution to…

Q: Curon loetow Somme Compounds पैक in which would be able to hydrogen bond with water. Ex Haim (A) (c)…

A:

Q: The patient shows a serum level of cholesterol of 253 mg/dl (MWT = 386 g/mol), express this level in…

A: Given,  Concentration of cholesterol in mg/dL = 253 mg/dL  Molecular weight of cholesterol = 386…

Q: If a 65-year-old female who weighs 110 lb and has a serum creatinine level of 1.3 mg/dL, what is her…

A: We have to calculate the CrCl for a 65 year old female whose weight is 110 lb and her serum…

Q: The instructions for the experiment direct you to prepare 30 mL of 1.5 M HCl solution.  In the…

A:

Q: HO t Br of CI

A: Given,

Q: 8) Reaction of methoxybenzene with fuming HNO3/ H2SO4 yields ortho substituted product. Circle the…

A: Both NO2 and OCH3  are -I groups means they stabilise negative charge near to them and destabilise…

Q: H₂O /H₂SO4 HgSO4 NaBH4/CH3OH

A: Given reaction is :  Predict the products of the reaction ?  According to Markovnikov's rule,…

Q: Consider the data table Compound melting point (c) Altfus (1/wal) Baling pt. Atvap (K)/ms") HBC…

A: During freezing, HBr liquid converts into HBr solid. Hence we will use the enthalpy of fusion,…

Q: A weak acid, HA, solution is titrated with NaOH. Calculate the pH of a solution when 25.0 mL of 0.40…

A:

Q: 7. Compound (2E4Z,6Z,8E)-2,4,6,8-decatetraene has been cyclized to give 7,8-dimethyl- 1,3,…

A: Given is ring closure reaction.

Q: Provide the curved arrow mechanism of m-xylene treated with isopropylchloride with iron (III)…

A:

Q: 4) mu نن to NaOEL, ELOH 7 H30* → ?

A: This is name reaction knoevenagel reaction...

Q: the top one is also an option- is that not correct?

A: Acylhalides reacts with alcohols to form ethers not esters.

Q: Below are sixty-three ionic reactions. According to the solubility rules, if a precipitate forms,…

A: Ionic compound can easily dissolve in water because of it's polar nature . So if a compound is ionic…

Q: a) Calculate AGxn for the reaction (AHrxn=572 kJ; ASrxn° = 179 J/K).

A: We know ∆Gorxn = ∆Hrxno - T∆Srxno . For a reaction to be spontaneous ∆G should be -ve . At…

Q: For what anions are most of the compounds usually insoluble?

A:

Q: 1.2 The reagent, (MO)2P=O(CH₂CO₂Me), resultant species is then reacted with the following compound:…

A: It is the modification reaction of wittig reaction which is known as Horner Wordsworth Emmons…

Q: How many peaks woudl be observed in the 1H and 13C NMR specutrms of the following compounds?

A: We have to determine the number of peaks in 1-H NMR and 13-C NMR for the given 4 molecules

Q: (b) At 80 °C, ethylene dibromide and propylene dibromide mixture forms an ideal solution. Given that…

A:

Q: 1. Using any reagents necessary, propose an efficient synthesis for each of the following…

A:

Q: a particular temperature, the solubility of Ne in water is 0.0240 M when the partial pressure is…

A:

Q: ii) Show the stepwise mechanism for the formation of the halohydrin.

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: Draw the mechanism for the following reaction and account for the relative stereochemistry. MeO₂C…

A:

Q: 3. Propose a synthesis of the target molecule using the starting material below. You may use any…

A:

Q: metimes in lab we collect the gas formed by a chemical reaction over water (see sketch right). This…

A:

Q: EN 1. 2. H₂O* MgBr

A:

Q: 10. For which set of enthalpy and entropy is the reaction spontaneous or nonspontaneous? ΔΗ AS T…

A:

Q: What is the product of this reaction? سلام (A) ОН معلمة ОН 1. LiAlH4 2.H+ (B) ??? H (C) ОН ОН H

A: In this reaction we have to tell the product of the reaction in which a strong reducing agent used…

Q: Name the following compound: OH O None of these O (1R, 2S)-2-methylcyclohexanol O (1S,…

A: Rules to assign R and S nomenclature The four atoms or group attached to chiral centre are given…

Q: melting point boiling point 0.0°C 100.0°C 2.05 J/g.°C 4.184 J/g °C 2.02 J/g °C 6.02 kJ/mol specific…

A: Mass of water = 16.6 g Water temperature = 80 oC Specific heat of water = 4.184 J/mol.oC   Mass of…

Q: A chemist titrates 200.0 mL of a 0.8012M dimethylamine ((CH₂), NH) solution with 0.2399 M HBr…

A: PKb =3.27 Molarity of base= 0.8012M Molarity of HBr = 0.2399 M Volume = 200 mL = 0.2 L

Q: Given that you are expected to be able to draw named alkenes, practice by drawing these molecules:…

A: Given,  The names of compounds: 4-chlorobut-1-ene Cis-2-chlorobut-2-ene…

Q: 7. Linda makes an electrolytic cell to let her produce aluminum metal from ore containing aluminum…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Draw all the major and minor resonance structures of the sigma complex intermediate in the EAS…

A: The reaction between acetophenone & HNO3/H2SO4 is an example of nitration reaction (which falls…

Q: Which has a higher boiling point? Explain using london dispersion forces, dipole dipole, or hydrogen…

A:

Q: Part A Choose the electron configuration for Y²+. O [kr]5s²4d6 O [Kr]4d¹ O [Kr]5s24d¹ O [kr]5s²4d² O…

A:

Q: A solution is made by dissolving 33.5g of urea (H₂NCONH₂, a non-volatile non-electrolyte) in 310g of…

A: When a nonvolatile solute is dissolved into a volatile solvent the vapor pressure of the solvent…

Q: Calculate the osmotic pressure at 25°C of red blood cells, with a total ionic concentration of 0.30…

A:

Q: A. How many double bonds does ß-ocimene have? B. Is ß-ocimene conjugated, isolated or cumulated…

A:

Q: Example #1) 25mL of 1.0M HCl is mixed with 40mL of 0.80M NaOH HCI + NaOH → H₂O + NaCl First, let's…

A: Given→ Volume of HCl = 25 ml               Molarity of HCl =1.0 M               Volume of NaOH = 40…

Q: (a) Balance the equation for the oxidation of formaldehyde to formic acid by MnO4 in basic solution…

A:

Q: Exercises 1. Assign an oxidation number to each species in the redox reaction below. 2 H₂O2 H2 + O2…

A:

Q: 12. For mercury, the enthalpy of vaporization is 58.51 kJ/mol and the entropy of vaporization is…

A:

Q: Me-N بار OH مة M OM

A: This is an esterification reaction. In general esterification reaction is done between carboxylic…

Q: 25 AN GN WEYOTE

A:

Q: If you have 14 electrons, what are their quantum numbers if the electrons are placed in a cube with…

A: As we know number of electrons are 14 Energy of quantum number are- nx=1, ny=1, nz = 1  nx= 2…

Q: xample #4) 50mL of 1.5M HCl is mixed with 60mL of 1.0M KOH

A: Dear student since you have posted multiple questions we will solve first question for you if you…

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.