Differentiate the use of Shelf-life and PAO.

Q: MnO – 4 (aq) + Fe2+ (aq) → Mn2+ (aq) + Fe3+ (aq) (a) Split the unbalanced equation into two…

A: In this question, we have to answer all the three parts based on the given redox reaction.

Q: Each of the IR spectra below corresponds to one of the aromatic compounds listed below.…

A: Ir spectrum provides information about the functional group present in given compound.

Q: Br H3C H3C CH2 cyl halides undergo nucleophilic substitution and elimination reactions. When the…

A:

Q: Give the product and mechanism for the following reaction. I. LIAIH, 2. H,0 CI

A: LiAlH4 is the strongest reducing agent. It will reduce aldehyde , ketone, corboxylic acid ,acid…

Q: N. CH3 NH2 CH3 b. C. Br NH2 d.

A:

Q: The peak widths if the spectra of atomic UV-vis are different from the molecular UV-vis spectra.…

A: The peak widths of the spectra of atomic UV-vis are different from the Molecular UV-vis spectra.

Q: why do you need to determine the concentration of the sodium hydroxide (NaH) using potassium…

A: Before using NaOH to determine the concentration of acetic acid in vinegar, we need to determine its…

Q: 2. CHCI Steric Number 3-D Sketch (use wedges and dashes as appropriate) BALPA - :ci-C-Ci: Bond…

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Q: Draw a structural formula for the substitution product of the reaction shown below. CI Na SH H3C H H…

A: Given reactions are :  (a).  (b).  Draw the substitutional products of the reactions = ?

Q: 13. A 2.5-L flask at 15°C contains a miyture of Na. He and Ne at partial pressure of 0.32 au N2,…

A:

Q: A solution contains 20.5g of NaCl dissolved in sufficient water to give a total mass of 166.2g. What…

A: Given :-  Mass of NaCl = 20.5 g  Mass of solution = 166.2 g  To calculate :-  Molality of solution

Q: uestions 26-29 refer to the same strong acid/strong base (SA/SB) titration. Prior to the eginning of…

A:

Q: Which of the following characterizes an alpha ray? Choose all that apply. O is attracted to the…

A: A) is attracted to the negatively charged plate in an electric field.

Q: Water has a higher specific heat than mercury. All of the following statements are consistent…

A: Answer: Relation between Heat exchange, mass, specific heat and temperature rise is shown below:…

Q: 2RO; (aq) + 12 H* (aq) + 3 M (s) = RO (g)+ 3M²* (aq) + 6 H2O (1) E°ran = 3.86 V. R: 5 valence e-,…

A: The given equation is not properly balanced, as the charge on both the sides of the reaction is not…

Q: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is…

A: If ΔH is negative and ΔS is positive, the reaction is spontaneous at all temperatures because change…

Q: O2 will react with N2 to form NO2. What is the maximum yield in grams of NO2 that can be obtained if…

A:

Q: The density of C0 gas at 1.00 atm and 323 K is 1.06 g/L. What is the density of NO gas at the same…

A: Solution -

Q: *19. Following are the NMR spectra of three isomeric esters with the formula C;H14O2, all derived…

A: First we have to calculate the double bond equivalence (DBE) of the moleculer formula C7H14O2 by…

Q: In a coffee-cup calorimeter, what are the factors that affect the heat capacity of calorimeter? How…

A: A coffee cup calorimeter is a constant pressure calorimeter. As such, the heat that is measured in…

Q: Arrange the following elements in order of increasing electronegativity: thallium, barium, lead,…

A:

Q: 4.912-g sample of a petroleum product was burnedin a tube furnace, and the SO2produced was…

A:

Q: Hexachlorophene is used as a disinfectant in germicidal soaps. What mass of hexachlorophene ( M =…

A: Given: Mass of chloroform = 125 g Boiling point of solution = 62.60°C Boiling point of pure…

Q: Which among the following list of organic compounds has the MOST NUMBER of intermolecular forces of…

A: The Temperature at which the solid phase of a compound changes into the liquid phase of a compound…

Q: In both examples below the reactants shown are combined to bring about a nucleophilic substitution…

A:

Q: Give a clear handwritten answer..and give the mechanism of given bleow reaction

A:

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of hotope Decay Half e Uhe in Medcal aging…

A: 1) The isotope given is mercury-197 with the isotopic symbol 19780Hg.

Q: 2 CHJCOH он 3 1B HE Lindiar's PIO 1D 2 Ether HB KMno, G 1A 1 1C OH HO H F. mCPBA

A: We have to complete the given reaction map with the given choices.

Q: Some Radioactive Isotopes Useful in Medical Imaging Mode of Decay setope Half-lile Use in Medical…

A: Radioactivity is a nuclear phenomenon where a nucleus of an heavy element undergoes spontaneous…

Q: The peak widths if the spectra of atomic UV-vis are different from the molecular UV-vis spectra.…

A: Atomic UV-vis spectra gives sharp peaks where as molecular UV-vis spectra gives broad peaks.

Q: A 17.5 mL sample of an acetic acid (CH3CO2H) solution required 29.6 mL of 0.250 M NaOH for…

A: Given, volume of NaOH = 29.6 mL = 29.6 mL × ( 1 L / 1000 mL) = 0.0296 L concentration of NaOH =…

Q: Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

A: Given,  Mass of thyroxine (solute) = 0.455 g  Mass of benzene (solvent) = 10.0 g  Freezing point of…

Q: 9. Starch is a mixture of two different polysaccharides, both composed only of D- glucose monomers.…

A:

Q: 7. In two or three sentences, compare and contrast the Bronsted-Lowry definition of acids/bases and…

A: Explain bronsted-lowry and arrhenius concept....

Q: Which of the following characterizes a beta ray? Choose all that apply. is attracted to the…

A: Answer: There are different types of radiations named as α-ray, β-ray and γ-ray present and they can…

Q: Organic Chemistry Organic Chemistry Problems Substitution Reactions S1 and S,2 Problem 7: Draw the…

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Q: H,C-CC-CH, N-N N: CH3

A: Note: The above reaction is [3+2] cyclo addition. (See below).

Q: Help needed with assigning the peak signals and determining the J values of this Isoamyl Acetate…

A: Coupling constant is denated by letter 'J' is the distance between two lines in multiplet.  The unit…

Q: A piece of metal at 20°C that weighs 60.0 g is dropped into 200. g of water at 100°C. The specific…

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Q: Calculate the mass of KHP needed to neutralize 18 mL of 0.15 M NaOH solution.

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Q: Use the information below to make a written response question 2 RO3 (aq) + 12 H* (aq) + 3 M (s) 5 RO…

A:

Q: For each pair of covalently bonded atoms, choose the one expected to have the higher bond energy.…

A: Bond energy is defined as the amount of energy required to break a bond .

Q: Consider the titration of 50.0 mL of 0.0500 M NaCl with 0.100 M AgNO3. Calculate pCl at various…

A: 1,2

Q: What is the mass concentration of a liter of milk? A liter of milk weighs 1060 g and includes 1.6…

A:

Q: Use the van der Waals equation of state to calculate the pressure ? of 4.00 mol of CH4 at 469 K in a…

A:

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 85 At 84 positron emission alpha…

A: As a result of positron emissions atomic number decreases by one in product side , and as a result…

Q: Which of the following characterizes an alpha ray? Choose all that apply. ]carries a negative charge…

A: The Beta ray is 2He4 is +2  charged ao it is expected to be attracted by negetive And it has higher…

Q: From the graph, what can you interpret about the correlation between reaction rates and the…

A: A question based on kinetics of reaction in solution that is to be accomplished.

Q: (Q27) A 25.00 mL solution of 0.200 M hydroiodic acid (HI) is being titrated with 0.200 M sodium…

A: Answer: This question is based on the titration of strong acid and strong base where as we keep…

Q: Co(g) reacts with H20(g) to form CO2(g) and H2(g). What is the percent yield if 1.8 g H2(g) gas is…

A:

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.