It refers to the general term of adsorbent media used to visualize chromogenic compounds. A. Chromatogram B. Solvent Front  C. Mobile Phase D. Stationary Phase

Q: what is the pKa of protonated benzoic acid?

A: pKa is the measure of the acidic strength of an acidic molecule. Suppose an acid HA dissociates as…

Q: Below is a deoxyribose ring with one phosphate and a thymine base. Number the atoms on the…

A: We are to name the deoxyribose ring according to scheme used for nucleotides.

Q: Table 1. Electron configurations of selected atoms using spdf notation Atom Electron configuration…

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Q: Give the correct IUPAC name for the following compound. For alkenes, when appropriate, indicate…

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Q: The absolute configuration of a chiral carbon is defined as R- or S- according to the…

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Q: Br CN C6H5

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Q: What is the increasing order of basicity among the following compounds ? NH „NH „NH NH но OH II III…

A: Given,  Options are :

Q: Calculate the standard entropy change for the following reactions at 25 C. 2 Na (s) + 2 H2O (l) -->…

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Q: ces to acc important values if needed for this question. The following initial rate data are for the…

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Q: Give the correct IUPAC name for the following compound.

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Q: Write the Newman projection is the most stable conformer for (S)-4-chlorobutan-2-ol

A: The most stable Newman's projection for sny molecule is the staggered one.

Q: 45. Which complex has the weakest carbon-oxygen bond due to backbonding? (A) [Ti(CO), (B) CrCO) (C)…

A: Which complex has the weakest carbon - oxygen bond due to back bonding ?

Q: What current (in A) is required toplate out 1.22 g of nickel from a solution of Ni2+ in 1.0…

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Q: 2. Reaction Mechanism and Molecularity Step 1 (slow): O, + NO2 NO3 + O2 Step 2 (fast): NO, + NO2…

A: The reaction mechanism given is,

Q: Use the following atomic masses (in g/mol): Mg = 24.31; O = 16; Ca = 40.08; C = 12.01; Na = 23; H =…

A: HCl + NaOH→ NaCl + H2O at equivalence point Number of equivalents of HCl = Number of equivalents of…

Q: Which statement is INCORRECT with regards to the following paired reaction: Lactate + NAD converts…

A: Given,  Lactate + NAD+ -----------> Pyruvate + NADH  Standard reduction potential (E0) of…

Q: 2) Draw the intermediate and the product. slow H* =+ H,0 fast

A: The intermediate and the product is :

Q: True or False. Write the correct statement when your answer is false.  A. The maximum oxidation…

A: We are discuss the given statements and regard them as true or false.

Q: Cu(NH,), complex K, = 2.09 × 103 For the aqueous at 25 °C. Suppose equal volumes of 0.0020M Cu(NO,),…

A: Here the complex formation constant of [Cu(NH3)4]2+ is 2.09×10^13 , hence  initially the reaction…

Q: 10. Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and…

A: Given,  The sample shows 24.3% of carbon and 4.1% of hydrogen. The molar mass of the sample is 99…

Q: Below is one of the two resonance forms for the acetate ion. What is true about the bond rotations…

A: Lewis structure of a molecule can be defined as the arrangement of valence shell electrons in all…

Q: Define the molecularity of a reaction and explain how and when this is linked to the reaction…

A: Molecularity: The molecularity of a reaction is described as the number of reacting molecules that…

Q: 63.5 mol of P0, contains how many moles of P? moles of P: mol P Incorrect

A:

Q: A

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Q: Write a balanced chemical equation based on the following description: hydrogen gas reacts with…

A: Hydrogen gas react with oxygen gas to produce liquid water.  The balance chemical equation based on…

Q: Consider the reaction below. What are the structures of compounds J and K? Choose two (2) answers Mg…

A: Here we are required to predict the product of the reaction

Q: Part A Calculate the enthalpy change, AH, for the process in which 48.5 g of water is converted from…

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Q: Calculate E cell for the following voltaic cell. Ag|Ag *(0.00003 M)||Au 3+(0.93 M)|Au Use standard…

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Q: Determine the standard enthalpy of reaction, AH°n, of the reaction below, given the following…

A: Mg(s) + 2H2O(l) ---> Mg(OH)2(s) + H2(g)

Q: Daing spece wil ad a Hcpole or ed nethe

A: The compounds given are,

Q: Which of the labeled carbons (C-Ca) is/are sp-hybridized? HC-CC-CH H H

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Q: Question 10 Determine if the photosynthesis reaction is spontaneous at 80°C. Chemical Equation: CO2…

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Q: Question 8 Given the reaction: Fe*2- Cr207-2 - Fe*3+ Cr*3 How many mole/s of H20 molecules is/lare…

A: In this question we have to balanced the reaction and then find out the moles of H2O molecule are…

Q: Question 6 Given the reaction: Fe*2 + Cr207 2 - Fe*3 - cr*3 How many electon/s was/were involved in…

A: Answer 6 : The chemical reaction :  Fe2+ + Cr2O72-  ----> Fe3+ + Cr3+  Electron/ electrons…

Q: A naturally occurring fblock element, M, forms an anionic nitrate [M(NO3)6]² , M(acac)4 and an oxide…

A: Those elements of the periodic table which have their last electrons in the f-orbital are known as…

Q: + 5.8234 %3D 7a) 7) For the equation: log, (VPPa) = (-1234 K). calculate the: a ) ΔΗ vap 7b) b) Tnvp…

A: The equation given is, => log(VPKPa) = -1234T + 5.8234

Q: 19- A sample of limestone is titrated for its value as a neutralizing agent. A sample weighing 1.000…

A: Limestone is CaCO3 Moles of CaCO3 = 1 / 100 = 0.01

Q: How many total atoms are there in 67.9 g of water (H,O)?

A: Given: Mass of water = 67.9 g Known: Molar mass of water = 18 g/mol

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

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Q: Using the table of the weak base below, you have chosen Methylamine as your weak base in the buffer…

A: Weak base chosen : Methylamine Desired pH of the buffer solution : 9.75Kb of Methylamine : 4.38 ×…

Q: Show how to synthesize the following product as the major product using any reactants/reagents and…

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Q: How much sodium formate (HCOONA, 68.0069 g/mol) do you need to add to 400. ml of 1.00 M formic acid,…

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Q: 5. pKa values for species are given below. Draw the structures and use the Pauling equation to…

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Q: Illustrate the chemical reaction on the use of sodium bicarbonate in the purification of isoamyl…

A: Generally during the synthesis of a chemical compound, Different types of reactants are used. After…

Q: Given the reaction:     Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were gained in the…

A: The chemical reaction :  Fe2+ + Cr2O72-   ----> Fe3+ + Cr3+  Electron / electrons gained in the…

Q: 20.77. The nitration of methanol, CH;OH, by nitrous acid is thought to proceed via the following…

A: Given steps are : Step. 1 : CH3OH + H+ ---> CH3OH2+  Step. 2 : CH3OH2+ ---> CH3+ + H2O Step. 3…

Q: Given the reaction:        Fe+2 + Cr2O7 -2  → Fe+3 + Cr+3  How many electon/s was/were involved in…

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Q: H,O + Br2

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Q: A known organic acid has pKa = 3.80. What is the percent dissociation of this organic acid in a…

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Q: 20.77. The nitration of methanol, CH;OH, by nitrous acid is thought to proceed via the following…

A: