If the TLC plates had been developed in a more polar solvent, would retention factors on the whole be larger, smaller, or unchanged? Briefly (1 - 2 sentences) explain your reasoning

Q: B CH3- CH- CH-C- CH;- CH3 1. CH CH3 CH3

A: The Answer to the following question is-

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Q: Calculate the energy required (in J) to excite a hydrogeen atom by causing an electronic transition…

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Q: An aqueous solution of copper (II) nitrate was electrolyzed using a current of 1.5 A for 60 minutes…

A: Given that -  Current used for copper (II) nitrate Electrolysis = 1.5 A  Time = 60 minutes = 60×60…

Q: Calculate the pH, pOH and [OH ] of a 0.0420 mol/L a strong acid, HNO, (aq) solution.

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Q: Calculate the standard change in Gibbs free energy, AG•rxn, for the given reaction at 25.0 °C.…

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Q: Determine the empirical formula of a compound containing 40.6 grams of carbon, 5.1 grams of…

A: Given that -  Mass of Carbon = 40.6 g  Mass of Hydrogen = 5.1 g  Mass of oxygen = 54.2 g  Molar mass…

Q: The normal boiling point in °C of the substance in the phase diagram below is: Select one: a.…

A: z is known as triple point...

Q: Which statement of electrons are never encountered in the ground state configuration of an atom)…

A: Which statement of electrons are never encountered in the ground state configuration of an atom ---

Q: Find the osmolarity of the following solutions. 00 mol CaCl2 dissolved in 5.00 L of solution 0 g…

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Q: Calculate the standard cell potential for the reaction below and note whether the reaction is…

A: Since we know that for spontaneous reaction standard Gibbs free energy change is negative....

Q: The single reactant A decays into product P by first-order kinetics.  If A starts at an initial…

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Q: e the lattice energy of MX.

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Q: Using the relationship between charge, current and time An electric current of 412.0 mA flows for…

A: Given, Note: 1000 mA = 1 A Current (I) = 412 mA = 0.412 A Time (t) = 23.0 s Electric charge (Q) = ?

Q: Which of the following anions is aromatic? A) B) C) D) CrO

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Q: Consider a helium atom(m=6.6m10^-27 kg) that is confined to mobility along a line with a length of…

A: Given: mass of helium atom = 6.6×10-27 kg speed = 1500 m/s Length = 12 Ao

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Q: 1-Chloro-1,2-diphenylethane can undergo E2 elimination to give either cis- or…

A: Newman projections helps to determine the stability of various conformers of a molecule. in bwtween…

Q: 23. What is the main product of the reaction shown in the box? C H CO,Et ? CO2E! B) CO2Et A) "CO2Et…

A: Diels-Alder reaction: It a [4+2] cycloaddition reaction. It involve a diene and dienophile. For this…

Q: A first order reaction is 84 % complete in 90 minutes. Calculate the half- life of this reaction.…

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Q: What is the pH of the solution formed when 1.13 g of diethylammonium chloride ((CH3CH2)2NH2)+Cl- is…

A: Buffer solution: A buffer solutions is an aqueous solution consisting of a mixture of a weak base…

Q: An electric current of 26.30 A transports 350. µC of charge. Calculate the time this toc Be sure…

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Q: What is the reagent required to convert 2,2 octanediene into octane?

A: The answer is given below

Q: 13. Which of the following is expected to be the most acidic hydrocarbon? A) B) D) C)

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Q: 1. What are the four ways presented in this lesson to influence the rate of a chemical reaction?…

A: Collision theory states that the rate of a chemical reaction is directly proportional to the number…

Q: Will a precipitate form when 80.0 mL of 2.00 x 102 M Cu(NOs)2 and 20.0 mL of 2.00 x 10 M NalO, are…

A: Cu(NO3)2 + 2 NaIO3   gives    Cu(IO3)2 + 2 NaNO3 Cu(IO3)2 is not soluble in water and must be…

Q: unexciting monoprotic acid (HBob) is made by adding 0.133 mol of HBob inot 0.100 L of solution. The…

A: Given, Moles of acid = 0.133 mol Volume of acid = 0.100 L Molarity of Acid(C) = mole/volume      C =…

Q: b. tor each pair State whetner theyare resonance, Znantiomer, diastereomers structural isomers or…

A: Since we know that cis-trans isomers are diastereomer...

Q: 1. Complete the following reactions: NHNH O,N NO2 H(R) 2,4-Dinitrophenyl hydrazine ii. 4 NaOH 312…

A: Detail mechanistic pathway is given below by which we get the final product for each reaction

Q: 12. You can distinguish epinephrine hydrotartrate from norepinephrine hydrotartrate by? A. Water…

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Q: Which of the following is not a possible graph of concentration versus time for a reactant? * Time…

A: Rate of reaction depends on concentration of reactant  Rate of reaction= decrease conc of reactant…

Q: 0.8844 g of cyclooctan-1,3-diol is burned in a bomb calorimeter with heat capacity of 11.63 kJ C^-1.…

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Q: er oxidation or reduction

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 25. How would you synthesize the compound in the box? (H2C=CHCH,MgBr heat +0°H nnoCHOHO=0°H) Base…

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Q: 4. If 0.25 M of an acid (HA) has pH = 5.73, which of the following statements is true about this…

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Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

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Q: 18. When heated in water, which of the following will decarboxylate most readily? A) B) N(CH3)2 Он О…

A: b-Keto acids with a keto group in the b-position readily decarboxylate at room temperature in water.…

Q: For cach of the following compounds, give the oxidation state of cach element in the compound. CrO…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts for…

Q: For the following reaction: SÜC15 (g) – SbCl3 (9) + Cl2 (g) the equilibrium concentrations for…

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Q: What is the effective rate constant [in units that combine M and min] for the reaction with rate law…

A: Given-> v = k[A][B]2 k = 0.54 M-2.min-1 Initial concentration of B = 3.7 M Initial concentration…

Q: length and frequency of... 0/3 A VHF television station assigned to channel 23 transmits its signal…

A: Given that -  Frequency = 524 MHz = 524×106 Hz = 524×106 s-1    Now, from following formula -  c = v…

Q: A photon is emitted when a hydrogen atom undergoes a transition from the n 12 state to the n= 2…

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Q: CH 0-CH What kind of molecule is this? Your answer should be one word or a two-word phrase. For…

A: Ans1. The above molecule is a sphingolipid Ans2. The common name for red coloured region A is…

Q: 28. What is the major product of the reaction in the box?n EtO OEt 1, NaOH, H2O 2. HCI, H20 НЕАT B)…

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Q: 1.17 x 102 M 1.1 x 10-5 M/min 1.91 x 102 3.83 x 102 1.8 x 10-5 3.6 x 10-5 O 1.3 x 107 O 45 O 66

A: 1) from the unit of rate constant,  it is 1st order kinetics,  So, rate law is, Rate = k[C2H6N2]

Q: Question 2 The vapor pressure of butane at 300 K is 2.2 bar and the density is 0.5788 g/ml. What is…

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Q: 17.050 grams ofO, gas have a volume of 6.867 liters and a pressure of 8.00 atmospheres. What is the…

A: We can calculate temperature by using ideal gas equation.

Q: t ratio of NaCN to HCN i

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Q: Problem 6 Suppose that a gas has a standard molar constant pressure heat capacity C = 33 J/(mole ·…

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Q: A compound contains carbon, hydrogen, and sulphur. A combustion analyzer collects 45.0 g of CO2,…

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