In Paper Chromatography, when the solvent wicks up the paper and causes the separation of your mixture to occur, we call this process chromatogram. the Dissolving. Painting. Developing. Racing.

Q: How many moles of ammonia would be required to react exactly with 0.470 moles of copper(II) oxide in...

A: The number of moles of ammonia required to react with 0.470 mole of CuO is given below

Q: When 2.0- SO, and C

A: Molarity of SO2Cl2 = mole/Volume         = 2.0/2.0 = 1.0    SO2Cl2 SO2 Cl2 I 1.0 0 0 C -a +a ...

Q: In which of the following ways, absorption is related to transmittance? A. Absorption is the n...

A: We have to find relationship between absorbance and transmittance. We know that :- A = log10(I0/I)

Q: ion 18 of 20 Consider the Diels-Alder reaction shown. Draw the structures of the diene and dienophil...

A: The correct answer is given below

Q: Which reaction is expected to be accelerated by addition of a crown ether? H3C-OH 1. NaH, DMF 2. CH3...

A: We have to tell among the given reaction which one is accelerated by the addition of crown ether. He...

Q: to the fallowing Hexane combuusts according balances eauakions 2Co Hisi () + 19 o2(9) ) how mang gra...

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Q: In fluorescence, the quantum yield is best defined as the:   A. number of photons emitted, divided...

A: In  fluorescence, the quantum yield is number of photons emitted divided by the number of photons ab...

Q: Find the mistake in the following equilibrium expression and fix it. PCI5 (g) = PC13 (1) + Cl2 (g) K...

A: We have to predict the correct equilibrium constant expression.  

Q: A copper (II) sulfate solution of unknown concentration is placed in a colorimeter and an absorbance...

A: Given, First copper sulphate sample: A - 0.46 Second copper sulphate sample: A - 0.34 c - 0.055 M

Q: How many grams of nitrogen does 1000 ml of an 8.5% amino acid solution contain?

A:

Q: how would you prepare 25mL of a 15% dye solution beginning with a 20% stock dye solution? find mL of...

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Q: QUESTION 9 The metal niobium crystallizes in a body-centered cubic lattice. If the density of niobiu...

A: For bcc lattice,  Contribution of atom of body centre = 1  Contribution of atom of corners = 1/8 Tot...

Q: How many joules is a 2 cycle/sec photon of radiation of a beam of infrared radiation with a waveleng...

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Q: Calculate the HLB of surfactant with molecular formula of CH 3 (CH 2) 14 CH 2 (OCH 2 CH 2 ) 7 - OH? ...

A: As per the rules only the first question can be answered

Q: e. How much is left 10. s la

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Q: A stock solution of MgCr0, is available to prepare solutions that are more dilute. Calculate the vol...

A: • The values provided in the question are:-    i) Initial volume of MgCrO4 solution, M1 = 2.0 M   ii...

Q: reactants. The following data were collected: Trial [A][A] (MM) [B][B] (MM) [C][C] (MM) Initial rat...

A: Given : We have to calculate rate constant for the following reaction.

Q: Identify the molecules or ions below as Lewis acids, Lewis bases, or neither. If there is more than ...

A: According to Lewis acid base theory, any species that can accept one or more lone pair of electrons ...

Q: Write the names of the group reagent used for the identification of the following anions

A: Salt analysis involves the identification of the cation and anion of an inorganic salt.  It is done ...

Q: Which of the following compounds is MOST reactive in an SN1 reaction? I -OTs II -OTs II -OTs IV -OTs...

A: Carbocation will be more stable if it takes part in resonance with a double bond. 

Q: ie vapor pressure a

A:

Q: What is the pH of a solution with hydroxide ion concentration

A:   pH = - log[H+]    At 25° C [H+]  [OH-] = 10-14  Given that [OH-] = 0.0076 M [H+] (0.0076 M) = 10-1...

Q: 6. A student titrates 3 samples of KHP. The experimental data collected is shown below. Titration # ...

A: The solution is as follows:  

Q: What is the reason for the stoke shift for a fluorophore ? Please shortly answer at your own words. ...

A: Stokes is the energy difference between absorption and emission in cm-1.

Q: A chemist measures the enthalpy change AH during the following reaction: P4(s) + 6 Cl,(9)→4 PCI3(g) ...

A: Enthalpy of reaction is the difference of total enthalpies between reactant and product.  ∆H = total...

Q: Some measurements of the initial rate of a certain reaction are given in the table below. [N] [H.] i...

A:

Q: lating Ke to Kp ?

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Q: At a certain temperature this reaction follows second-order kinetics with a rate constant of 0.019M ...

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Q: what compound has this given IR Spectra? 2725 2827 40 `2976 1731 4000 2000 Wavenumbers (cm-1) O A. b...

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Q: Hydrogen gas has been suggested as a clean fuel because it produces only water vapor when it burns. ...

A:

Q: In the deficiency referred to in question 40, a deficiency of the form of develops which makes the e...

A: Glutathione is used as antioxidant and helps in balancing of the free radicals in the cells and thus...

Q: what compound has this given IR Spectra?     A. butyraldehyde   B. butanoic acid   C. butan...

A: IR spectroscopy is an important tool for the determination of the functional group in the compound. ...

Q: 1,3- Butadiene undergoes an electrophilic addition with Hbr. Complete the steps in the mechanism to ...

A:

Q: e reaction order in

A: Since you have asked multiparts, we will solve the first three subparts for you. If you want any spe...

Q: what compound has this given IR Spectra?

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Q: Which reagents are required to accomplish the transformation below? OH HO. А. 1.2 еq. MeLi 2. H2O B....

A: In the given reaction an ester gives nucleophilic addition reactions.

Q: All of the following are classified as an instrumental method of analysis EXCEPT: O A. electroanalyt...

A: Answer: Different methods are used In chemical analysis and they can be classified into two categori...

Q: Where are the stereocenters in this chair conformation?  What is the difference between stereocente...

A: If groups attached with the particular centre is exchanged , then a new stereocentre is generated, t...

Q: What process is involved in #1?     A. vibrational relaxation   B. internal conversion     ...

A:

Q: * 00 %24 р 0O 4 3. %23 5. 6. 9. 1ID the equation. and so dium nitrate solution remains. Be sure to i...

A:

Q: What is the color of a visible radiation having an energy of 3.60 x 10-19 J? Blue : 440 - 490 nm Gre...

A:

Q: The standard addition method is used to analyze a sample of a river water for mercury. Solution A is...

A: Cold vapour atomic absorption spectroscopy or CVAAS is one of the primary techniques for mercury ana...

Q: 5) If the reactant provided is neutral what can be done in basic conditions to produce a nucleophile...

A: In a SN2 reaction a nucleophile attack the leaving group contaning Carbon and remove leaving group ,...

Q: Predict the organic product(s) HO-CH3 CI o-CH3 O-CH3 CH30 b-CH3 I II II IV A. II В. I C. I and IV D....

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Q: * 00 3. Alum [KAI(SO4)2XH20] is used in food preparation, dye fixation, and water purification. To p...

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Q: The rate of a certain reaction is given by the following rate law: rate =k[NO] °[0,] Use this inform...

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Q: Which of the following correctly describes the known mechanism of the Diels-Alder reaction? Select o...

A: Pericyclic reactions are proceeds by a cyclic shift of electrons by a single-step reaction (concerte...

Q: * 00 3. Chromium(III) oxide reacts with hydrogen sulfide (H2S) gas to form chromium(III) sulfide and...

A:

Q: Which of the following are conjugated polyenes? H;C CH, H3C CH3 CH3 H,C. H. H,C CH3 H3C CH, %3D II I...

A:

Q: 1.Consider the chemical reaction: N2+ 3H2 yields 2NH3. The equilibrium constant is K = 6.0 x 10-2, a...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...