Acetic acid solution 25.3 mL of glacial acetic acid (CH3COOH) dissolved in water to form a 50.0 mL solution written TYCAEMISTR/ LABORA7ORY ointed without th Chemical Educatio Division,

Q: Calculate the pH of the following solutions.  0.10 M trisodium pyridoxal-t-phosphate

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Q: Enhancer 4 What should be the normality of 1 L saline water needed to be injected intravenously to a...

A: Osmotic pressure of blood = 7.75atm Temperature of body = T = 37°C = 37+273= 310K Volume of saline w...

Q: Write at least two reactions that show enthalpy. State the reactants and the products of the reactio...

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Q: 5. Translate the following word equations into balanced chemical equations. Use molecular formulas f...

A: Given,   

Q: A chemist is studying the following equilibirum, which has the given equilibrium constant at a certa...

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Q: Assuming ideal gas behavior, calculate the mass of H2 (in g) present in the reaction mixture at equi...

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Q: Calculate the Qexp of the outlying result in the data set: 8.33, 5.24, 5.74, 5.32, 5.8, 5.66, 5.34, ...

A: DIXON`S Q- TEST:

Q: 3-D contour surfaces

A: In this question we have to draw the 3-D contour for a 4p orbital.

Q: Draw the major organic product(s) the following reactions: No mechanisms are required, just the fin...

A:   Imine bond break into ketone and amine when it is treated with acid hydorlysis  1,4-nucleophilic ...

Q: Na Mg 38 48 58 68 78 88 – 18 28 AI SI P S CI Ar Arrange the following ions in order of decreasing io...

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Q: Kindly show complete solutions. Report the final answer in the proper number of significant figure M...

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Q: one greener approach for synthesising succini

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Q: Date: 1. Use the Brosted Lowry concept to define a) An acid

A: Bronsted-Lowry acid-base theory defines the acid and base on the basis of the transfer of a proton (...

Q: Calculate the mass of Kr in a 8.57 L cylinder at 96.6 °C and 4.48 bar. mass: g

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Q: Combined Gas Law 1. A gas has a volume of 800.0 mL at-23.00 C and 300.0 torr. What would the volume ...

A: Given,  The volume of a gas at -23.00 °C and  300.0 torr is 800.0 mL and the volume of a gas at 227....

Q: You are studying a clear solution and you added the pH indicator methyl violet. The colour range of ...

A: The color of a solution of pH 0.2 is needed to be determined on the addition of an acid-base indicat...

Q: Considering three identical flasks filled with different gasses. Flask A: CO at 760 torr and 0º C. F...

A: Given : Flask A: CO at 760 torr and 0º C Flask B: N2 at 250 torr and 0º C Flask C: H2 at 100 torr an...

Q: b) Give detailed synthesis, properties and uses of Kevlar. c) How symmetry of repeating units in pol...

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Q: 1. What is the percent yield of the reaction: PCI3(g) + 3H2O () -а НЗРОЗ (аq) + знсI (аq) Where 20.0...

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly repos...

Q: Gaseous butane (CH;(CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...

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Q: A chemist determined by measurements that 0.045 moles of calcium participated in a chemical reaction...

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: 4. Calculate the solubility of Mg(OH)2 in 0.10 M NAOH. Calculate the solubility in grams/liter.

A: Answer: This question is based on the common ion effect where presence of common ion from a strong e...

Q: In an organic chemistry lab, some camphor crystals were synthesized but there were some traces of is...

A: We know that, ∆Tf = Kf × m where ∆Tf  is the freezing point depression, Kf is freezing point depress...

Q: Classify each of the following reactions as precipitation, acid-base neutralization: a. Hg(NO3)2(aq)...

A: Please find your solution below : Precipitation reaction is a double displacement reaction in which ...

Q: 44. Select the answer choice that correct identifies if the bonds formed would be nonpolar covalent,...

A: 1) Ionic bonds : bonds that are formed by complete transfer of electrons.Generally formed between a ...

Q: A buffer is made using 200.0 mL of 0.100 M (CH3)3N (trimethylamine) and 100.0 mL of 0.200 M (CH3)3NH...

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Q: Provide an explanation without using the pka values : Why is phenol stronger acid than butanoic acid...

A: An acid is stronger than the other acid if it's anion is stronger than the anion of the other acid.

Q: (b) Give detailed synthesis, properties and uses of Kevlar. (c) How symmetry of repeating units in p...

A: Introduction :  Crystallinity of polymer can be defined as the structure of polymer in terms of crys...

Q: The following table shows successive ionization energies for an element from period 2. IE 2 3 4 6 7 ...

A: The correct answer is given below

Q: How does ammonia, dimethylglyoxime (DMG), and 8-hydroxyquinoline (8HQ) interact with your cations, l...

A: In paper chromatography, substances are distributed between a stationary phase and a mobile phase. T...

Q: CH2CHCH2BR CeHsCHO + Zn + NH4CI> C10H100 + NH3 +ZnCIBr

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Q: A 12.3 g sample of an alloy of Mg (35%) and Al (65%) produces H2 when added to 25 mL of 1.21 M HCI. ...

A: Given,  Total mass of the sample = 12.3 g  Mass percent of Mg = 35%  Mass percent of Al = 65%  Volum...

Q: Calculate the pH of the following solutions 0.0040 M Ba(OH)2

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Q: Why does benzoic acid have a higher melting point than naphthalene? Relate it to their structure and...

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Q: What is the energy, in ev, per co2 molecule relased from ethanol with a 52.22 kJ/g calorfic value

A: The answer is as follows:  

Q: While ethanol (CH,CH,OH) is produced naturally by fermentation, e.g. in beer- and wine-making, indus...

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Q: Calculate the pH of the following solutions. 0.40 M phthalic acid

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Q: Enhancer 1 A solution of NaCl and water saturated rhen 29.25 g of NaCl has been dissolved in 100 mL ...

A: The concentration of the NaCl solution is = 29.25 g of NaCl dissolved in 100 mL The density of water...

Q: For each of the following compounds, give the correct R/S notation for all stereocenters. ÇH(CH)2 H ...

A: R ans S nomenclature system is important nomenclature system to denoting enatiomsrs. This approach l...

Q: At a certain temperature, the equilibrium constant K for the following reaction is 1.3: CL(e) + CHCI...

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Q: After completing part II of the experiment, a student uses her calibration curve to find that the eq...

A: We would first write a reaction between Fe3+ and SCN- to form product [FeNCS2+]  , then we would dra...

Q: meo D. EtC

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Q: A buffer solution contains 0.222 M CH3NH3B and 0.443 M CH3NH2 (methylamine). Determine the pH change...

A: Q1) [CH3NH3Br] = 0.222 M, [CH3NH2] = 0.443 M pKb of methyl amine = 3.36 pOH = pKb + log[Conjugate ac...

Q: A chemist determined by measurements that 0.015 moles of gallium participated in a chemical reaction...

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Q: (b) Calculate Amax for the following compounds. () (i)

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Q: Calculate the mass of glucose (CH,206) that contains a billion (1.000 × 10°) hydrogen atoms. Be sure...

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Q: The monohydrogen phosphate ion HPO3-2 has a Pka of 12. One could best describe this ion as a a) very...

A: Given :- pKa for HPO3-2 = 12  To identify :- nature of ion i.e.  a) very strong acid   or b)   moder...

Q: The amount of iron in ore can be quantitatively determined by titrating a solution of the unknown wi...

A: Given values -> Volume of iron(3) = 25.0ml (V1) Volume of dicromate =18.0ml (V2) Molarity of dicr...

Q: Calculate the pH of the following solutions.  0.40 M phthalic acid

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Q: m Calculate the kinetic energy of a 67. g bullet moving at a speed of 499.

A: Given : mass of bullet = 67. g             speed = 499. m/s  To be calculated :- kinetic energy (J)