In a reverse phase chromatography setup, which of the following compounds will have the HIGHEST retention time? water toluene isopropanol ethanol

Q: Which atom and/or ion is (are) isoelectronic with Br+: Se2+, Se, As–, Kr, Ga3+, Cl–? What Do you…

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Q: The concentration of Ag* in a saturated solution of Ag2CO3 is 2.46x10-* mol/L at a certain…

A: Concentration of Ag+ in saturated solution of Ag2CO3 is 2.4 × 10-4 mol/L

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…

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Q: Enter electrons as e". A voltaic cell is constructed in which the anode is a Cr2+|Cr3+ half cell and…

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Q: Given is teh mass spectogram of an unknown compoound. This unstable cyclic compund is a colorless…

A: Note : The compound name is cyclohexene. Cyclohexene on retro Diels Alder reaction produces the m/z…

Q: Determine E°, AG°, and K for the overall reaction from the balanced half-reactions and their…

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Q: Which of the following describes a gradient elution process? O stationary phase has varying…

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Q: radius. Explain your reasoning in the given space here in this question. Only use qualitative…

A: As we know,  In periodic table if we move from left to right,  atomic radius decrease while top to…

Q: Which of the following molecules would be the least polarizable? O CH3CH2CH3 O SIH3SIH3 O CH3CH3 O…

A: Polar molecule: Polar molecules will form when two atoms don't share electrons equally in a covalent…

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

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Q: Which molecule given below has only London intermolecular forces?Explain your reasoning (include…

A: Intermolecular interaction depends upon nature of bonded atom and bonds between molecules    A) HF…

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: Calculate AG° for the reaction at 298 K. Express your answer using two significant figures. ?

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Q: Which of the following substituent is an ortho/para-directing activator and an ortho/para-directing…

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Q: Ksp for Fe(OH)3  (Fe(OH)3(s) ⇌ Fe3+(aq) + 3OH-(aq)) is 4.0 × 10-38. In the presence of 0.01 M NaOH,…

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Q: For the following reaction, 12.7 grams of chlorine gas are allowed to react with 58.1 grams of…

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Q: Which of the following reaction uses the reagent m-chloroperoxybenzoic acid?   a Epoxidation   b…

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Q: e value of Ksp?

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Q: A medical lab technician creates a standard solutions of percent hemoglobin in whole blood. The…

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Q: ТОТE: W. CQUATION! The products are sodium ni- rate, carbon dioxide and water. What volume of 0.107…

A: Molarity of sodium carbonate (M1) = 0.107M Molarity of HNO3(M2) = 0.162 M Volume of HNO3 (V2) =…

Q: CH3CH2CH2Br Br a. (1) H2S04 y A; (2) HBr O b. (1) KOH etanol; (2) HBr O c. (1) KOH etanol; (2) HBr +…

A: Given molecule is 2-bromo propane We know that,  KOH is strong base. KOH abstract H+ from alkyl…

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Q: How do I report this data? Blue is background data, red is compound 1-bromo-3-phenylpropane,…

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Q: The rate constant for the reaction is 0.420 M.s at 200 C. A- products If the initial concentration…

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Q: What mechanism is followed by Reaction 1 and 2? Possible Ans: Electrophilic addition, Electrophilic…

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Q: Classify each half-reaction as a reduction or an oxidation. Cr, 0 (aq) + 14H*(aq) + 6 e¯ → 2…

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Q: You are trying to separate a sample with 2 components: X and Y with GC. X has a lower boiling point…

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Q: For the following reaction, 4.71 grams of butane (C4H10) are allowed to react with 21.3 grams of…

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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: Use the following data to calculate the value of S° for the reaction given below. Write answer only…

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Q: 1. A gas occupies a volume of 31.0 L at 18.0"C. If the gas temperature rises to 36.0°C at constant…

A: The ideal gas equation is -  PV = nRT = wRT/MM  Where -  P = pressure  V = volume  n = number of…

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: Calculate E (energy), v (frequency), and the wavelength in nanometer for a H-atom. Rydberg constant…

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Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 58.6 g of iron(II)…

A: Given, Mass of iron (II) bromide (FeBr2) = 58.6 g Volume of the flask = volume of the solution = 250…

Q: Discuss and explain at least two problems associated with the burning of fossil fuels. Is fossil…

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Q: Which of the following is capable of producing longer alkyne products?   a Internal alkyne with…

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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: In what condition, a reaction is product-favored. Select the correct answer...     a. K° = 0 and…

A: Let consider a general reaction, A + B <====> P + Q A and B are reactant. P and Q are product.…

Q: The bombarded fragments leads to the formation of molecular ion which is translated into (_)?…

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Q: Combined Gas Law 13)a) A sample of neon gas occupies a volume of 1.00L at 27.00C and 0.660 atm. What…

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Q: Draw the major organic product of the indicated reaction conditions. Be sure to clearly depict the…

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

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Q: Reduction Half-reaction Half-cell E (V) Oxidizing Agent F(g) + 2e HO, (aq) + 2 H*(aq) + 2 e" PhOs) +…

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Q: 1o A 5 cm sample of 0.05 mol dm3 sodium chloride is mixed with a 5 cm3 sample of 0.05moldm potassium…

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Q: The BOD was measured to be 300 mg/L for raw wastewater. If the BOD decay constant is 0.242 day,…

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