Element Atomic Symbol Symbol Be 121 Sb 51 Atomic Mass Number Number 8 Protons Neutrons Electrons 51 72

Q: Q. 8 Define Aldol reaction, is this reaction proceeding via nucleophilic addition or substitution?

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Q: 22.) Draw all the resonance forms for the journing carpocation. Be sure to use brackets & relocare…

A: Here we have to write resonance structures of the following given species.

Q: Determine the acetic acid concentration in a solution with [CH3CO2-] = 0.25 M and [OH-] = 2.0 x…

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Q: A 205 g sample of gold at some temperature was added to 22.3 g of water. The initial water…

A: Since the temperature of the water is increased, water has received heat and gold has emitted heat.…

Q: Suppose you burned 0.300 g of C(s) in an excess of O₂ (g) in a constant-volume calorimeter to give…

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Q: Which of the following compounds will have the highest molar solubility in pure water

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Q: The 10 in the molarity formular, why is it there?

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Q: The IUPAC name for the compound Cl is 1-amino-4-chlorobenzene p-aminochlorobenzene 4-chloroaniline…

A: IUPAC nomenclature is used for naming the organic compound as recommended by international union of…

Q: Elimination reactions require a nucleophile base

A: Elimination reactions  require a nucleophile or base ? The answer and explaintaion of the question…

Q: Calculate for the normality of H₂SO4 for the reaction H₂SO4 + 2 NaOH → Na2SO4 + 2 H₂O if the acid…

A: Initial volume of H2SO4 = 7.5 ml  Initial Molarity of H2SO4 = 1.0 M After dilution total volume =…

Q: In an experiment, a 0.7520 g sample of 1,2-benzenediol (C6H6O₂) is burned completely in a bomb…

A: we have to calculate the molar heat of combustion for 1,2-benzenediol

Q: mL sample of 0.235 M formic acid (HCHO₂) is titrated with 0.235 M NaOH. Calculate the pH after the…

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Q: H5106+ Cr→103 + Cr³+ Match the following for the above reaction. Drag and drop options on the…

A: H5IO6 + Cr -----> IO3- + Cr3+ -> The species for which oxidation number increases is oxidized.…

Q: The belt of stability helps relate the first--------  elements that are stable without…

A: The belt of stability is the narrow region, on a graph of isotopes, where the isotopes are stable (…

Q: What quantity of energy, in joules, is required to raise the temperature of 455 g of tin from room…

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Q: A Select each that is a terminal alkyne. -CH₂-CEC-H B H-C 0: 11 C-CH₂-C-H LL -CH₂-CC- с F CH₂-C CH3…

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Q: Can I get detailed explanation on 5 factors affecting rate of a reaction with diagrams if possible…

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Q: A 132 g piece of gold is heated to 100.0 °C in a boiling water bath and then dropped into a beaker…

A: When the hot metal is dunked into the water, the heat is released by the metal and equal heat is…

Q: Owen belove Some Structure at Retone Select the which Comnot be made by the acid Catalyzed hydration…

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Q: Calculate the theoretical cell potential of the following cells. If the cell is short-circuited,…

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Q: TLC - Identity of an Unknown A B C D A = B = C = D= C OH unknown compound

A: Dear student ,  Since you have not mentioned the specific part to be solved, I believe that you…

Q: (a) Calculate the energy of a single photon of light with a frequency of 6.63x10¹1 s-¹. Energy = J…

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Q: 6.42 %(w/w) ferric nitrate solution has a density of 1.059 g/mL. Calculate the molar analytical…

A: Given :  Concentration of Ferrric nitrate = 6.42 % (w/w)  Density of solution = 1.059 g/ml

Q: 1/2 N₂(g) + 1/2 O₂(g) → NO(g) kJ/mol-rxn Enthalpy change =

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Q: Excess solid Na₂CO, is added to a solution containing 0.800 M (each) Mg²+ and Zn²+ ions. Ksp for…

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Q: Describe the preparation of 500 mL of 0.0750 M AgNO3 from the solid reagent.

A: The desired solution to be prepared is 500 mL of 0.0750 M AgNO3(aq) solution.  First, we have to…

Q: A doctor orders 250. mL of a 13% (m/v) glucose solution. If you have a 55% (m/v) glucose solution,…

A: For the given question, use the dilution law to calculate the volume required for 55%(m/v) solution.

Q: Six iron tablets containing FeSO4.7H2O were dissolved in 100-ml of 0.1M HNO3 with gentle heating.…

A: Given :  Weight of Fe2O3.xH2O = 0.345 gm  Weight loss on heating = 10.5 %

Q: What is the value for the number of nodes of rank r? a) N b) N/2 c) N/2r d) Nr

A: Every  node of a rank r (which is given) is  root of a subtree of at 2^r. So, there are  N/2^r…

Q: Н Н Which compound below fits the following proton NMR data? O-CH3 CH3 A singlet S 3.98 (3H) quartet…

A: The compound (from the given) fits the proton NMR data = ?

Q: 16-g sample of a radioactive nuclide is taken from location A to B in 2 hours and it was found that…

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Q: Chloromethane, CH3 Cl, arises from microbial fermentation and is found throughout the environment.…

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Q: If the molarity of oxygen in air is 0.00821 mol/L at 25 °C, what is the pressure of. oxygen at 25…

A: At 25 °C the molarity of oxygen gas in air is 0.00821 mol/L .We have to calculate the pressure of…

Q: What is the degree of substitution of the following alkene? Otrisubstituted Omonosubstituted O…

A: Degree of substitution of alkene: Degree of substitution of alkene depends on the number of alkyl…

Q: Insoluble Li₂ CO3(s) precipitates when solutions of Na2CO3(aq) and LiCl(aq) are mixed. Na2CO3(aq) +…

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Q: How much energy is required to raise the temperature of 11.4 grams of gaseous nitrogen from 24.6 °C…

A: Given, mass of gaseous nitrogen (m) = 11.4 g Initial temperature (Ti) = 24.6°C  Final temperature…

Q: What mass, in grams, of NaCl needs to be added to 1.7 kg of water in order to create a solution with…

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Q: The equilibrium constant, K, for the following reaction is 1.29x102 at 600 K. COCI₂(g)=CO(g) +…

A: Dear student , since you have posted multiple questions we are allowed to solve only first question…

Q: container is filled with 27.6 L of oxygen gas at STP. Approximately what mass of oxygen would there…

A: Volume of Oxygen gas = 27.6 L At STP-> T = 273.15 K P = 1 atm

Q: 21.) show how the forening compound could be symbinized by a bels-Alder reaction: MICN

A: For a duels alder reaction reactant should have diene and dienophile . Here this reaction will be…

Q: Given the malevule pose sf₂"' where or breaks the octel, what would be the creometry? what is the…

A: Here we have to predict geometry , shape and polarity of the following given species BrSeSF21- .

Q: If the temperature is -55 °F, what is the corresponding temperature on the Kelvin scale?

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Q: A 15.0-mL sample of benzene at 20.7 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

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Q: Calculate the pH of a 0.018M H2SO4 solution that has a Ka1=strong and Ka2=1.2•10-2

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Q: When heated, KClO3KClO3 decomposes into KClKCl and O2.O2. 2KClO3⟶2KCl+3O22KClO3⟶2KCl+3O2 If…

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Q: The system described by the reaction CO (g) + Cl₂ (g) = COC1₂ (g) is at equilibrium at a given…

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Q: Give the structure of an unknown alkene with the formula C7H₁2 that undergoes ozonolysis to yield,…

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Q: Identify the point(s) on the following diagram where the removal of heat will cause some of the…

A: Condensation is the gas to liquid

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

A: We have to draw the curved arrow mechanism for the given reaction.

Q: Classify the following molecule: CH3-CH-CH3 NH₂ primary amine secondary amine tertiary amine amino…

A: Let's find answers of above questions below.

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.