Can the combination of NH3 and (NH4)2SO4 form a buffer? Use appropriate reactions to explain why or why not

Q: pH

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Q: 1. It will define the following terms: to. molality b. Colligative properties C. nonvolatile solute ...

A: We have to  define the following terms: to. molality b. Colligative properties c. nonvolatile solute...

Q: Define each stereocenter as either (R) or (S). If the molecule does not have a stereocenter select "...

A: ->Each chiral center has specific configuration R or S.  

Q: Choose the best reagents to complete the reaction shown below. Br

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Q: In the acetic acid determination in vinegar experiment; NaOH was standardized with 0.25 g KHP (molar...

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Q: Hannah needs to make a solution of KMnO4 to be used in a chemistry experiment. On the shelf in her s...

A: Basically when we need to make solution of another lower concentration from a higher concentrations ...

Q: BOYLE'S LAW An unknown gas has an initial pressure of 145 kPa and a volume of 1.1 L. If the volume i...

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Q: 2. Determine the Miller indices for the planes shown in the given unit cell.

A: The Miller indices of the above plane can be calculated as follows

Q: Determine the pH of a 0.373 M aqueous solution of ammonium chloride at 25 °C. The K, for ammonia is ...

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Q: 4. A naturally occurring element X exists in three isotopic forms on the third planet of the Alpha C...

A: Formula to calculate atomic mass from natural Abundance is :-  Atomic mass = ∑atomic mass × natural ...

Q: What is the ratio strength (w/v) of an isotonic solution for pilocarpine hydrochloride SCE 0.24? A. ...

A: Given, SCE (sodium chloride equivalent )= 0.24

Q: Aqueous sulfuric acid (H,SO.) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A: The balanced equation is as :-  H2SO4(aq) + 2NaOH(s) ----> Na2SO4(s) + 2H2O(l)

Q: Using the Heisenberg uncertainty principle, calculate the frequency spread Av for a nanosec- ond (10...

A: According to Heisenberg Uncertainty principle "energy and time cannot be determined simultaneously w...

Q: An buffer is prepared by combining 1.61 moles of HX solution with 0.28 moles NaX and diluting to a t...

A: Given :- number of moles of HX = 1.61 mol  Number of moles of NaX = 0.28 mol  Total volume = 1 L  Ka...

Q: Mass Solution Volume Solute (if liquid) 20 % by volume, 50 mL NaCI solution

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Q: The following compound has shown some activity in treating Alzheimer's disease. What is an IUPAC nam...

A: ->In naming phenol give numbering taking OH at position -1.  

Q: Determine the element which is oxidized, element which is reduced, oxidizing agent, and reducing age...

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Q: Calculate the following answer and round to proper significant figures, Don't forget units. 2.22g x ...

A: Calculate the answer and rounding off---

Q: Which of the following compounds represents an aromatic heterocycle? A) Compound I II. B) Compound I...

A: Aromatic heterocyclic compound is the compound in which one or more carbon in the cycle is replaced ...

Q: Knowing that atomic radius and ionization energy are two important properties of an atom that are pe...

A: Atomic radius : It is the distance measured from the centre of nucleus to the outermost electron .

Q: What is the pH of a 0.430 M solution of C₅H₅NHBr (Kb of C₅H₅N is 1.7 × 10⁻⁹)?

A: pH= 1/2(pKb-logc) Here given Kb=1.7×10-9,hence pKb=-logKb=-log(1.7×10-9) given c=0.430 M

Q: The concentration of hydroxylamine in a solution is 0.71 M. What is the pH of the solution? The Kb o...

A: Given :-  [HONH2] = 0.71 M  Kb for HONH2 = 1.1 × 10-8  To calculate :-  pH of solution

Q: plz solve all parts within 30-40 mins I'll give you multiple upvote

A: Initial amount of sodium-24 = 12 mCi Half life of sodium-24 = 15 hour use the simple formula: percen...

Q: llowing questions as part of your lab report: 1. A standardized KMNO4 solution can be used to analys...

A: A standardized KMnO4 solution can be used to analyse compounds of unknown composition. One such comp...

Q: Which of the following statements is correct concerning the strength of acids: HBr HCIO3 > HCIO4 HB...

A: With increasing in ability to dissociate to form H+, acid strength increases.  Ability to dissociati...

Q: half-life

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Q: The oxidation of ammonia into nitric oxide is an exothermic process. 4NH,(g) + 5O,(g) AH n = -904.4 ...

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Q: The rate of a hypothetical reaction X-Y+Z. has the following data collected. time (s) (X) (M) 1.2000...

A: For a 2nd order reaction, 1/[A] vs time plot is a straight line and the integrated rate law equation...

Q: 1. Which of the following is NOT true about equivalence point and endpoint? a.The endpoint is marke...

A: At the equality point of a titration, a precisely comparable measure of titrant has been added to th...

Q: Use your molecular modeling kit to determine the absolute configurations of the following compounds....

A: Given : structure of molecules

Q: Determine the molecular formula of a compound that is 49.48% carbon, 5.19% hydrogen, 28.85% nitrogen...

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Q: 4. The standard enthalpies of combustion reaction at 25 °C of H2i9) , n-butane, C«H10(g) , 1- butene...

A: We have to find enthalpy of reaction.

Q: Identify the following substance as aromatic, anti-aromatic, or non-aromatic. A) aromatic B) anti-ar...

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Q: 17. It is known that the adsorption of carbon monoxide is molecular adsorption on the surface of nic...

A: Adsorption is a physical process in which one substance get attached physically on the surface of an...

Q: Question 14 of 24 Submi Compare the stability of the sigma complexes for the ortho-bromination of ni...

A: Compare the stability of the sigma complexes for the ortho-bromination of nitrobenzene and the meta-...

Q: 12. In a reaction that converts the compound, MnO2 to the permanganate ion, MnO4l-. The number of el...

A: It is given that MnO2 is converted to MnO41-. We have to calculate the number of electrons gained or...

Q: Indium reacts with chlorine to form InCl3. In the balanced equation for this reaction, the coefficie...

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Q: plz solve all parts within 30-40 mins I'll give you multiple upvote

A: Initial amount of sodium-24 = 12 mCi Half life of sodium-24 = 15 hours   use the simple formula: per...

Q: (CH3)3CCI (1 equiv) AICI3

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Q: Given are the pairs of alcohols than can be differentiate using Lucas Test EXCEPT? i. (isopropanol ...

A: Lucas test is used to distinguish primary (10 RCH2OH ), secondary (20 R2CHOH) and tertiary (30 R3COH...

Q: 2 M of methanol (CH3OH) was added to NaCl to make a solution ,the mole action of methanol was 0.6 an...

A: Given, Molarity of methanol= 2M Mol fraction of methanol= 0.6 Total moles of prepared solution= 9 mo...

Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. cat. H2SO4 SO3 (1 equiv)

A: Aromatic electrophilic substitution reaction: Benzene and other aromatic compound gives mainly aroma...

Q: H.

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Q: O Dipole O H-Bond Disnersion

A: Intermolecular forces refers to the bonds that occur between molecules. These bonds are broken when ...

Q: what is the importance of studying matter and mixtures in chemistry? explain.

A: Matter can be defined as the substance that has mass and occupy space. There are three states of mat...

Q: Use your molecular modeling kit to determine the absolute configurations of the following compounds....

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Q: By sketching a crystal field diagram for [Co(sep)]DTC3, predict whether you think the compound will ...

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Q: Describe the relationship between each of the pairs of isomers shown by recording Constitutional, Co...

A: If the configuration of all the chiral centres get reversed then they are enantiomers and if all rem...

Q: The standard reaction free energy aG" = '= -910. kJ for this reaction: 6C(s) + 6H,(g) + 30,(g)-C,H1,...

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Q: Br2 Mno, + Br→ Mn²* +

A: MnO4^- + Br^- --> Mn^2+  + Br2   

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.