In a normal phase chromatography setup, which would be the predicted characteristics of the eluates based on retention time? eluates will only contain the stationary phase eluates will only contain the mobile phase eluates will be in increasing polarity eluates will be in decreasing polarity

Q: A solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture…

A:

Q: Question 3 how do you call the analysis technique done by identifying the fragments corresponding to…

A: Mass spectrometry is the branch of chemistry in which we deal with deal with molecular ions,…

Q: The index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

A:

Q: Which of the following aromatic compound has a hydroxy substitution?   a Aniline   b Cresol   c…

A:

Q: According to the following reaction, how many grams of zinc hydroxide will be formed upon the…

A:

Q: It is well reported that the antiallergic activity of Claritin (loratadine) is not only the result…

A: Descarboethoxyloratadine is the active metabolite of Loratadine. It is formed by CYP mediated…

Q: A chemist prepares a solution of sodium chloride (NaCl) by measuring out 33.6 g of sodium chloride…

A: given :-  mass of NaCl = 33.6 g  volume of solution = 100. mL  to calculate :-  concentration of…

Q: Predict whether the entropy or disorderliness of the system where the following changes occur is…

A: Answer: Entropy of the system is measure of its disorderliness and as we know gases are more…

Q: i) Would you expect the rate of hydrolysis of methyl-p-fluorobenzoate (X = F) to be substantially…

A:

Q: The mass of solute per 100 ml of solution is abbreviated as (m/v). Mass is not technically the same…

A:

Q: Which of the following is the major product of the following reaction (without hydride or methyl…

A:

Q: mole fraction of argon?

A:

Q: Question 16 In a reverse phase chromatography setup, which of the following compounds will have the…

A: Highest retention time is nothing but time spent by an eluent in column

Q: Which of the following is a secondary amine? NH2 NH -NH2 d) `NH2 а) b)

A:

Q: NO2CI(g) + NO(g) 108 and E, is 28.9 kJ/mol. The rate equation is -----> NO2(g) + ONCI(g) A is 8.3 x…

A: Given- A=8.3×108 Ea=28.9kJ/mol =28.9 ×1000 = 28900 J/mole Rate constant of reaction=? There is…

Q: OH Cro3 HBr -OH H,SO4 а) CH, PPh, b) H;C -CH3 CH;OH H,SO,

A:

Q: Using standard reduction potentials from the ALEKS Data tab, calculate the standard reaction free…

A:

Q: он OH + H;C=CH-CH, NO2 (a) (b) OH HNO,, H,SO, (a) (b) (b) 1. H2. Pd/C H,PO, (c) H,PO, (d) H,PO, +…

A:

Q: • Draw the Lewis Structure dot for Butanoic acid, CH3CH2CH2COOH and answer the following questions…

A: Lewis dot structure showing the arrangement of electrons in the molecule. The electrons are shown by…

Q: Chemistry Calculate [Cu2+]eq using Nernst Equation E cell: 0.48 Temperature: 25.0 C n=2

A: EoCu²+/Cu : 0.337 V Given, Ecell : 0.48 V Temperature : 25 oC = 298K n = 2

Q: Which of the following factors DOES NOT affect retention time of a sample undergoing normal phase…

A: Retention time is the time period where a sample spend on column. Here we have to tell which factor…

Q: 9. AGNO, + KI 10. AgNO, - KIO, 11. AGNO, Na, SO, [+]

A: Write molecular equation with its phase and write product for each side. In multipart questions we…

Q: Not yet answer If you could compare the 'H NMR and IR spectra of vanillin with the 'H NMR and IR…

A:

Q: Balance in the following redox reaction.

A:

Q: If the concentration of H3O^+ is 1.0x10^-13, the pH is?

A:

Q: Which of the following central atoms would be expected to accommodate more than four electron pairs…

A: The number of electron present in the valence shell of an atom is known as valence electron.

Q: 15) A sample of gas at STP occupies 1.12 L at STP and has a mass of 1.007g. Determine the molar mass…

A:

Q: CH,CH,OH CH3 CH3 HO H' CH,

A:

Q: What is the reagent used for reaction 2? ... Reaction 1 Reaction 2 MCPBA ? A OH ОН А) НЗРО4 B KMN04…

A: In water, epoxide ring opening occurs to produce the corresponding diols in good yields.

Q: e formula of ionic compounds

A:

Q: 10. Which of the equation below refers to the enthalpy of combustion? vos 16 29isivioE HOTlih sh A.…

A:

Q: if the extracellular fluid outside the cell has a higher molarity that the cells cytoplasm inside…

A: In the question it is not instructed to what to do.I am rectifying the false statement of the…

Q: 1) Upon dissolving 90.0g of KNO3 in 100g of water at room temperature (20° to 25°C), a precipitate…

A:

Q: Would you expect the rate of hydrolysis of methyl-p-fluorobenzoate (X = F) to be substantially…

A: To determine whether the rate of hydrolysis of methyl-p-fluorobenzoate (X=F) to be a) Substantially…

Q: Balance the equation for a half-reaction that occurs in acidic solution. Use e as the symbol for an…

A: A redox reaction is balanced by balancing the mass and charge. In an acidic medium, the charge of…

Q: index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

A: ->Index of hydrogen deficiency (or) degree of unsaturation represent no. Of double bond and…

Q: The index of Hydrogen deficiency indicates the degree of unsatuiation of the molecule which help in…

A: Degree of unsaturation for hydrocarbons is calculated using formula :  U = (  Hydrogen in alkane -…

Q: What is the pH of 50.0 mL of 0.01 M HCl strong acid solution?

A: Given :-  Concentration of HCl solution = 0.01 M  Volume of solution = 50.0 mL  To calculate :-  pH…

Q: 2. Touprofen, the anit-inflammatory ingredient in Advil, has the formula C13HIBO2. a. How many…

A: We are authorised to solve only first three subparts of the question. Please post rest of the…

Q: Be sure to answer all parts. If 2.20 g of CuSO, is dissolved in 9.83 × 102 mL of 0.330 M NH3,…

A:

Q: CH, NaCN H,0* d) OH OCH, 1) BМg -CH, NH ÓCH, e) 2) H,O* NH,OCH, f) H,C H.

A: d. Epoxide opening with NaCN. Cyano FG to acid FG using H3O+ e. Epoxide opening with Grignard…

Q: Draw the product in the following enzyme catalysed reaction

A:

Q: What is the IHD of a chemical compound with a formula of C6H5NO2?   a 4   b 5   c 6   d 7

A: IHD stands for Index of Hydrogen Deficiency. In a hydrocarbon with no double bond or rings, the no…

Q: 1. PBr, 2. NaNg, THF HO 3. Pd/C, H2 (Excess) 4. Mel (Excess) 5. Ag,0, H20 `NH2 NH2 A B D

A: For the given sequences of reaction of the given alcohol, we can predict alkene as the major…

Q: how many grams of H2O are produced if 10.0L of hexane is burned at SATP

A: SATP is refer to standard ambient temperature and pressure.  The combustion of any alkane produce…

Q: K for the reaction of hydrogen and iodine to produce hydrogen iodide, H2(g) + 1(g) = 2HI(g) is 54.3…

A:

Q: How many electrons are gaining or losing in this  half-reaction? (write complete half reaction in a…

A:

Q: A photon has an energy of 2.35 x 10–19 kJ. Find the wave length of the radiation in µm.

A: Energy of photon = 2.35 × 10-19 KJ  Wavelength of radiation (in μm)  = ?

Q: Given the following standard reduction potentials: Mg2 (aq) + 2e - Mg(s) E° = -2.357 V %3D Al3* (aq)…

A: We have to predict the spontaneous reaction.

Q: Cyclohexene can undergo strong oxidation with potassium permanganate in acidic solutions and yield a…

A: Cyclohexene can oxidize into adipic acid on react with potassium permanganate in acidic solutions