Which of the following is/are characteristic of silica as stationary phase in chromatography? O It has higher sample capacity. O It has wider range of most useful forms. O It is polar. O All of the above

Q: Calculate the volume, in Liters, of 46.3 mols of Sulfur Dioxide? O 0.723 L o 1037.12 L O 2.066 L O…

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Q: 2. Given the following experimental data, calculate the molarity of the acid analyte (HA) in the…

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Q: If you have a bunch of lone neutrons what fraction of them will decay in 11 minutes?

A: The correct answer is given below

Q: 4. Indicate the topicity (snantistegis or homotopic or diastereotopic) of each of the following…

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Q: 3. PBr3+H2O → H3PO4 + HBr

A: The valance change method is balancing the equation using change of oxidation no.

Q: Q2/ For a 97.5 wt% Fe-2.5 wt% C at a temperature 700 oC, determine the following: a) The Number and…

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Q: Fill in any nonbonding valence electrons that are missing from the following structural…

A: Valence electrons that do not participate in bonding are called non bonding valence electrons.

Q: Picric acid, used in the manufacture of explosives, has a K₂ = 0.160. What is the K, of its…

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Q: For each chemical reaction in the table below, decide whether the highlighted reactant is a…

A: Given,

Q: Determine the polarity of simple compounds

A: Polarity is arises due to un even distribution of bonded electron pairs between atoms present in the…

Q: Convert the following solution concentration from Molarity (moles per liter) to Parts per million:…

A: Given molarity of solution = 0.3 M , which implies that 0.3 moles of Copper are present in one litre…

Q: Fehling reagent I is prepared by dissolving 138.6 g of CuSO4·5H2O in 2 L H2O. The molecular weight…

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Q: A3: For the reaction Ag2S (s) 2 Ag+ (aq) + [Ag*]? S²- (aq), K = 2.4×10, If [S²] = 0.0023M, what is…

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Q: 1. a secondary alkyl halide with molecular formula C4H9l 2. trans-1,2-cyclopentanediol 3. tert-butyl…

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Q: Briefly explain the chelating effect. Research a Gd contrast agent.  What is the denticity (number…

A: Gadolinium(III) complexes can be widely used as magnetic resonance imaging contrast agents. The…

Q: The equation below shows the equilibrium that exists between the two ions of copper. A mixture of…

A: According to Le-chatelier's principle when any disturbance is made on equilibrium then it shifts in…

Q: What is the molar solubility of Zn(OH)₂

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Q: What is the pressure in a 6.00 L tank with 16.0 grams of nitrogen gas at 385 K?

A: Using the ideal gas law equation to solve.

Q: The isotope nickel-63 has a half-life of 100 years. If a tested sample has five grams of nickel-63…

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Q: / Calculate Miller's coefficient for the surface that cuts the crystal coordinates at the Cartesian…

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Q: propose an explanation for the anomaly in the trend for the hydrogen compounds of group 6A elements…

A: Melting point refers to the temperature at which solid and liquid phases of a substance coexist.…

Q: A sample of barium chloride weighing 20.5g was dissolved in enough water to make a solution with a…

A: Given, Mass of barium chloride = 20.5 g  Concentration = 0.175 M                            = 0.175…

Q: which is a primary amine

A: Classification of the Amine is done on the basis of number of carbon (C) atoms bonded directly to…

Q: || b- find A and B form the following:- Al₂O3 1) cyclohexanol- A 250 °C B₂ A Pd 766 Li Cu 3)…

A: Give in following question many reaction give its product and reagents

Q: Complete the following equations, using appropriate notations and formulas: a 150 → ? +15 N Kr + 16…

A: There are many radioactive particles such as alpha ,beta,gamma,neutrons ,protons ,antinutrino etc.

Q: 1. Change the following word equations to chemical equations and then balance it. Write the…

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Q: When LC is coupled with mass spectrometry (MS), what are the advantages (compared to LC only) in…

A: LC-MS is an analytical technique that involves physical separation of target compounds (or analytes)…

Q: Select the correct statement O a. lonization energy increases up a group O b. Zef decreases from…

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Q: 1) How can you use phenolphthalein to determine the pH of a substance?

A: As per our community guidelines we can only answer one question, out of the three questions you have…

Q: Acid Base Neutralization of HCI and Ca(OH)₂. Use the volume and Molarity information in the table to…

A: Given :  Volume of HCl = 505 ml  Molarity of HCl = 2.01 M  Volume of Ca(OH)2 = 505 ml  Molarity of…

Q: Reagents A. Cu(SO4)2, NaHCO3, Na-citrate B. concentrated HCI, orcinol, FeCl 3 C. Alkyl chloride,…

A: Carboxylic acids- Compounds in which a carbonyl group and a hydroxyl group are attached to a carbon…

Q: 1- Sodium carbonate with the molecular structure of Na2CO3 with formula weight of the sodium…

A: Given that -  Formula weight of sodium carbonate , Na2CO3 = 106 g/mol  Formula weight of sodium…

Q: For a particular redox reaction, NO₂ is oxidized to NO3 and Cu²+ is reduced to Cut. Complete and…

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Q: For the reaction Ag2S (s) 2 Ag (aq) [Ag*]? +S²(a K (aq), = 2.4×10, If [S²] = 0.0023M, what is eq

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Q: V. Results and Observation VI. Questions 1. How many colors separated from the black ink? 2. What…

A: It was observed that the black ink separated into different colors as the water gets absorbed in the…

Q: For the following molecules, which show all atoms with an octet (or duet) of electrons, and which do…

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Q: For the molecule shown below, provide the names for all of the indicated functional groups: ger NH₂,…

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Q: It seems that something in the answer went wrong. Because this is not the correct answer.

A: Given,  Mass of C3H7OH = 2.495 g  Initial temperature = Ti = 298.00 K  Final temperature = Tf =…

Q: A. σ*1s molecular orbital and strengthen the H—H bond. B. σ1s molecular orbital and strengthen the…

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Q: For the molecules shown below, which ones represent constitutional isomers of each other?

A: Constitutional isomers are the molecules having same molecular formula but can have different…

Q: Consider these reactions, where M represents a generic metal. 1. 2 M(s) + 6HCl(aq) • 2 MCl, (aq) + 3…

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Q: Which of the following can form hydrogen bonds in a pure sample? A) CH₃F B) CH₂F₂ C) HF D) HBr

A: Given compounds are :  A) CH₃F B) CH₂F₂ C) HF D) HBr Which of the following can form hydrogen…

Q: 17. Which of the following monomers is most difficult to polymerize via ring opening polymerization?…

A: The internal strain of the ring is critical in ring opening polymerization.

Q: For the molecule shown below, provide the names for all of the indicated functional groups: 2 1.…

A: Given molecule: The functional groups present in the given compounds have to be determined.

Q: A 5.0 L container was allowed to expand to 25.5 L at 450 K. What was the original temperature of the…

A: This can be calculated using Charle's law

Q: 2. Write the Bronsted-Lowry equation for the reaction between HPO," and HF. 2

A: Write the Bronsted-Lowry equation for the reaction between HPO42- and HF.   Dear student, since you…

Q: Calculate the volume, in mL, of 0.95 mol of Potassium Sulfate when it is in its gas form at STP. o…

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Q: A student analyzed a mixture of amino acids using thin layer chromatography where the stationary…

A: Thin layer chromatography (TLC) is a chromatographic technique used to separate the components of a…

Q: b) Construct an enthalpy cycle and calculate the enthalpy of combustion in each case using the above…

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Q: Give a complete solution to each problem and express final answers with correct sig figs and units.…

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