a. Using the average atomic mass, calculate the number of atoms present in 2.70 x 104 amu of oxygen. atoms

Q: Draw out the Lewis structures of these reactants and products and apply the analysis indicated in…

A: Redox reaction: The reaction in which oxidation and reduction takes place simultaneously.…

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A: Answer: E1 elimination reaction takes place through carbocation formation and since carbocation is…

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Q: What is the concentration of salicylate in mg/dL in an unknown salicylate solution whose absorbance…

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Q: Consider the following exothermic reaction system at equilibrium: N2(g) + 3H2(g) 2NH3(g) Predict how…

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Q: OH Ag(NH3)2OH H2O

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Q: saline solution contains 2.45 mol/L NaCl. The density of the solution is 1.100 g/mL. Calculate the…

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Q: Name these organic compounds: structure HỌ — CH,— CH HỌ — CH,— CH,—OH OH 1 CH₂-CH-CH₂-OH name 0

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Q: 1 || Which of the following show the correct stability order of above radicals? |||

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Q: 3) What volume (in milliliters) of 0.1M AgNO3 would be needed to completely react with 2.50 g zinc?…

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Q: Draw out the Lewis structures of these reactants and products and apply the analysis indicated in…

A: Redox reaction : The reactions in which oxidation and reduction takes place simultaneously are…

Q: 2. Which of the following organic molecules has an amine functional group, and only an amine? a.…

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Q: The preparations of two aqueous solutions are described in the table below. For each solution, write…

A: A chemical reaction occurs between an acid and a base to give salt and water. This reaction is known…

Q: 2. Write a balanced double replacement reaction for each of the following sets of aqueous reagents.…

A: Dear learner as per our guildeline,I can solve only 1 question at once. Please find the solution of…

Q: I manufactured 1 litters of bike or car washing shampoo.  Now for coloring the shampoo ,what are…

A: When it comes to coloring agents or dyes for formulations, there are several factors to consider…

Q: 7) The equilibrium constant for a chemical reaction was found to depend on tempera- ture over the…

A: This problem is based on Thermodynamics and here we will be using second law of thermodynamics to…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.80kg sample…

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

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Q: At a certain temperature, 0.301 mol CH, and 0.758 mol H₂S are placed in a 2.50 L container. CH₂(g) +…

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Q: 20. Which reaction sequence would be used to prepare I 1 Co II III IV :0 + ta H MgBr + 2 CH3MgBr 1.…

A: The given problem is based on the functional interconversions in organic chemistry using various…

Q: (True or False): Fluorescence spectroscopy can be used to determine the ratios of Hg isotopes in a…

A: In the given questions, we have to choose correct option related to spectroscopy.

Q: Nitrogen dioxide is one of the many oxides of nitrogen (often collectively called "NOX") that are of…

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Q: Clearly draw the reaction scheme for the microwave assisted reaction shown below. Label the…

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Q: Magnesium pieces (0.49 g) react in dilute acidic solution (141 mL) as follows: Mg(s) + 2 HCl(aq) →→…

A: Mass of magnesium reacted = 0.49 g  Volume of dil HCl = 141 mL  Change in temperature= 22.2o C to…

Q: ich of the following is correct? CH₂OH(1) + 3 O₂ + 1453 kJ → 2 CO, + 3 HO E none of these choices…

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Q: Part 1 of 2 sodium hypochlorite is the active ingredient in laundry bleach. The Ka is 2.9E-8.…

A: Answer: When salt of weak acid and strong has been dissolved in water then anion coming from weak…

Q: For the equilibrium CH4(g) + H₂O(g) CO(g) + 3H2(g) AH = 206.2 kJ select all that apply. Compressing…

A: Answer: This question is based Le-chatalier's principle which states that on changing any parameter…

Q: Propose a synthesis (using the Wittig reaction) for E,E-1,4-diphenylbuta-1,3-diene from benzaldehyde…

A: The synthesis of E,E-1,4-DIPHENYLBUTA-1,3-DIENE from benzaldehyde can be done by wittig reaction…

Q: 2. lodine-123 has a half-life of 13.2 hours. Its gamma decay allows for photons of different colors…

A: a) The gamma decay of Iodine-123 can be represented by the following equation: 123I → 123Te + γ In…

Q: The preparation of an aqueous solution is described in the table below. For this solution, write the…

A: Given NaOH is added to HCH3CO2 solution.  Now we know HCH3CO2  is a weak acicd where as NaOH is a…

Q: [4] pH=pK, +log; or pOH =pK, +log [HA] [BH* [B] Blood plasma has a pH of 7.40. If we assume that the…

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Q: A solution at 30°C contains 500. g of water and 35.0 g of sodium carbonate. The vapour pressure of…

A: Mass of water = 500 g  Mass of sodium carbonate = 35 g  Vapour pressure of pure water = 0.0420 atm

Q: Empirical Formula Proof for C₂H302, a compound containing 57.838% carbon, 3.641% hydrogen, and…

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Q: mCPBA Calais

A: m-CPBA stands for meta-Chloroperoxybenzoic acid. It is an epoxidizing agent for electron rich…

Q: Draw the products of the reaction shown below. Ignore inorganic byproducts. NO₂ cat. H₂SO4 HNO, (1…

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Q: 3. Calculate the rate constant of a reaction at 450 °C if the reaction rate is 6.75 x 10-6 M/s at 25…

A: Given, Activation energy (Ea) = 35.5 kJ/mol = 35.5 × 1000 J/mol = 35500 J/mol Rate constant (k): k1…

Q: An aqueous solution containing only hydroiodic acid has a [HI] of 0.008002 M. What is the pH of the…

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Q: What is the expected major product of the following reaction sequence? 1. -BuOK, t-BuOH 2. HBr

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Q: Use the drop-down selection boxes to rank the IR absorptions of the coloured bonds in terms of…

A: IR spectroscopy is mainly used for identification of functional group present in the molecules. Each…

Q: The precent yield of this reaction is 78%. 2Al(s) + 3 F2 (g) = 2AlF3 (s) Determine the mass, in…

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Q: definition of salt please. How can salt thwart intruders using physical force?

A: Salt is a compound formed when an acid reacts with a base. It is an ionic compound made up of…

Q: The rate of the most reaction doubled when their temperature is raised from 298 K to 308 K ,…

A: Arrhenius equation gives the relation between two rate constants  and two  temperatures.…

Q: Select the major product. OEt y si OEt OEt OEt OEt

A: We have to select the major product of the given reaction Introduction: Claisen condensation…

Q: Compound  A  reacts with Compound  B  to form only one product, Compound  C , and it's known the…

A: Given Mass of A = 8.0 g Mass of C = 8.2 g % yield= 91 %

Q: Borohydride reductions of aldehydes and ketones can also be accomplished using zinc borohydride,…

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Q: What is the purpose of adding two drops of acetic acid in thin layer chromatography of plant…

A: Thin layer chromatography (TLC) is a type of chromatography used to separate and identify the…

Q: A solution is prepared that is initially 0.34 M in propanoic acid (HC₂H₂CO₂) and 0.15M in sodium…

A: Given: The initial concentration of propanoic acid (HC2H5CO2) = 0.34 M The initial concentration of…

Q: What mass of silver would plate onto the cathode if a current of 6.7 AA flowed through the cell for…

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.