In thin layer chromatography (TLC), explain how the pigments separate on a piece of paper. 2. If the spots are colorless on a TLC plate, how can you make it visible? Enumerate 2 ways and discuss each

Q: जवळ व mechanism to Explaim the observation show the movement of electrons with a cCwwwved w Draw all…

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Q: For items 10-12. The decomposition of NH4Cl (s) at a given temperature of 548 K, the Kp = 0.01072.…

A: Answer: In this question solid Ammonium chloride as been put into a vessel and its thermal…

Q: A sample of Ca(OH)2 with a mass of 0.151 g is dissolved in water so that the volume of the solution…

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Q: What quantity of heat (in kJ) will be released (∆H) if 0.4501 mol of NH3, are mixed with O.200 mol…

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Q: Draw a Haworth projection of a common cyclic form of this monosaccharide: 0 НО H H OH HỌ-H НО- h…

A: Detail solution is given below

Q: 1.) Calculate the number of moles of Argon gas contained in a 4.00 dm3 container at 620. kPa and…

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Q: Provide the structure of the major organic product(s) in the following reaction. CH3 Cl₂ AICI 3

A: Since you have posted multiple questions as per guidelines we can answer only one per session. If…

Q: (f) Why alternating current is used for conductometric measurements?

A: Alternating current is an current which can periodically reverse direction and changes it’s…

Q: Arrange the carboxylic acid D Highest Reactivity 1 EA 2 IB 3 TE 4 ED 5 C Lowest Reactivity 23 Which…

A: Note : Strong acid produces weakest bases. weak bases are good leaving groups ( see below). 23.…

Q: 7. Name the type of isomerism exhibited in each of the following pairs. (a) [Co(NH3)(OCN)]+2 and…

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Q: What is the point group for NH3?

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Q: What Characteristics of Potassium minerals makes them suitable to be used as fertilizers

A: 1) Potassium is needed to complete many essential functions in plants, such as synthesizing proteins…

Q: A 220 mL sample of a 0.500 M NaCl solution with an initial pH of 7.00 is subjected to electrolysis.…

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Q: 8. One mole of A at one bar and ne mole of B at 2 bar are separated by a partititon and surrounded…

A: Here given  For A; 1 mol and 1 bar For B; 1 mol and 2 bar

Q: 150 140 130 120 110 100 90 80 70 60 50 40 30 XCIO3 10 -Ce₂(506)s D Đ 10 20 30 40 50 60 70 80 90 100…

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Q: Write an equation for a saponification test between lard and 6M of NaOH. Write an equation after the…

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Q: 1.) Air is composed of approximately 78% N2, 21% O2 and 1% percent other gasses. Calculate the…

A: Answer: STP means standard temperature and pressure where standard temperature is 273.15K and…

Q: 1. Answer the Following Questions (a) To study the kinetics of the reaction between acetone and…

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Q: write out each of the reactions found when forming an aqueous solution of selenious acid (H2Se04…

A: Answer: H2SeO4 is known as selenic acid and it is a weak diprotic acid and at room temperature it is…

Q: Solve the following stoichiometry grams-grams problems: 1) Using the following equation: 2 NaOH +…

A: 1 mole = 6.022×1023 (Avogadro's number)  The mass of one mole of molecules of any substance is known…

Q: Create a plot of the Maxwell-Boltzmann distribution for N₂ in which the root mean square speed of…

A: Maxwell-Boltzman distribution forms the basis of kinetic theory of gases.It defines the distribution…

Q: CI OH -CH₂ SOCI Pyridine (a base) four Which will best explain why the reaction is not likely to…

A: The answer is as follows:

Q: Consider the corrosion of copper at 30°C using the overall reaction: Cu(s) + 0.5 O2(g) + 2 H3O+(aq)…

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Q: 6) For N₂ and N₂*, a) b) c) d) Construct a MO diagram. State the magnetic property Calculate the…

A: Given,

Q: a. Differentiate Benedict's test from Barfoed's test b. Can the Seliwanoff's test be used to…

A: Chemical testing and analysis are necessary for  understanding the purity and content of chemical…

Q: Arrange the following in increasing order of boiling point. Give reason. Methylamine,…

A: Given,  a). Arrange the following in increasing order of boiling point. Give reason. Methylamine,…

Q: One of your friends told you that they were able to determine the pressure of water produced from…

A: The balanced reaction given is, => 2 C2H6 (g) + 7 O2 (g) → 6 H2O (l) + 4 CO2 (g)  The steps given…

Q: In the reaction shown below, _____is the oxidizing agent and _____ the reducing agent.…

A: Given-> I think the equation is- Zn(s) + H2SO4 (aq) ----> H2(g) + ZnSO4(aq) ->Oxidizing…

Q: inf 9. 10. NaCl + _0₂ Given: NaCIO, → What is the mole ratio of NaCl to O₂? If 2.6 moles of O₂ are…

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Q: The table gives the concentrations of C₂H₂O(g) as a function of time at a certain temperature for…

A: The data given is,

Q: A gas-forming reaction produces 1.65 m^  of gas against a constant pressure of 160.0 kPa. Calculate…

A: Given -> Volume (V) = 1.65 m3 Pressure (P) = 160.0 kpa = 160×1000 pa = 1.6 × 105 pa

Q: (f) Why alternating current is used for conductometric measurements? (g) What will happen if large…

A: h) the integrated rate equation for a first order reaction is given by, ln[A] = -kt+ln[A0] Where [A]…

Q: Enumerate the qualitative tests that are based on the production of furfural and furfural…

A: Furfural test is chemical tests used to distinguish glucose and fructose. Furfural test is performed…

Q: Predict the sign of ΔSsys (positive or negative) if a gas is converted to solid and decrease in…

A: when a gas is converted to solid and there is decrease in number of particles,

Q: Explain why buffer potential is maximised at the pH that matches the pka of the weak acid of the…

A: Solutions- Buffer solution-A buffer solution (also known as a pH buffer or hydrogen ion buffer) is…

Q: What is the pH (to two decimal places) of a saturated aqueous solution of copper(II) hydroxide (at…

A: In this question we have to tell the PH of the aqueous solution of copper(II) hydroxide (at 25 °C).

Q: Calculate the cell emf for the following reaction at 25°C: 2Ag (0.010 M) + H₂(1 atm) → 2Ag(s) +…

A: Given reactions are :  Ag+ + 1e- -------> Ag (s) , E0 = +0.799 V  2H+ + 2e- ---------> H2 (g),…

Q: :0 + N N C ZH N H+ cat.

A: When ketone react with secondary amine it will form enamine

Q: For the cell shown, the measured cell potential, Ecell, is -0.3619 V at 25 °C. Pt(s) | H₂(g, 0.721…

A: Given -> Ecell = -0.3619V Pressure of H2 = 0.721 atm Concentration of Cd = 1.00 M

Q: (e) The mobility of H* ions is very high because of the small size and other reasons. The mobility…

A: Mobility is defined as the distance travelled by ion per second under potential gradient of 1 volt…

Q: Consider the following: 1) potassium, iodine 2) calcium, flourine 3) sulfur, chlorine Assume…

A: Ionic compounds are the compounds formed by transfer of electrons from one atom to another.…

Q: 1. The dramatic reaction below was reported in the Evans synthesis of colchicine in 1981. MeO CO₂Me…

A: Note : Acid catalyzed electrophilic aromatic substitution followed by dehydration. ( see below).

Q: To study the kinetics of iodination of acetone, why starch is used as an indicator just before the…

A: To study the kinetics of iodination of acetone, starch is used as an indicator just before the…

Q: Which of the following chemical equations depicts an alkylation reaction? C6H6() + CH3Cl() →…

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Q: A sample of 0.750 g of peanut butter was burned in a calorimeter filled with 300.0 g of water. The…

A: NOTE: The increase in the temperature should be 14.6 oC and not 146 oC because the water will…

Q: Use Reaction 2. How much energy (in kJ) is released when 49.0 g of oxygen difluoride decomposes?…

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Q: A solution of 1.7×10−6 M HNO3(aq) (10.0 mL) is diluted to 10.0 L with pure deionized water at 25 °C…

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Q: What structural feature is required to have an isotactic or syndiotactic carbon-based polymer?…

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Q: ClO3- + 3Cu+ 6H+3Cu2+ + Cl-+ 3H2O In the above redox reaction, use oxidation numbers to identify…

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Q: Draw a mechanism to explaim the observation show the movement of electrons with a cwwwed w Draw all…

A: In the given process,  formation of electrophile is quite important, which proceeds the further…