How many electrons are in an electrically-neutral atom of aluminum (Al) with a mass number of 27?

Q: Exercises Build, draw, and assess the polarity of the following molecules 1. N₂ (Nitrogen gas, major…

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Q: 8. Each of the basic molecules below has multiple potential protonation sites. Given the pKa values…

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Q: What is the IUPAC name of the following

A: The naming of an organic compound can be done with the help of rules of international union of pure…

Q: If the half-life of a chemical compound is 30 days under anaerobic conditions, determine the…

A: Given: Half life of compound = 30 days  The word half life shows that the compound is decomposed…

Q: Which nuclear process powers the sun? Group of answer choices Nuclear Fission Nuclear Decay Nuclear…

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Q: Which of the following terms or phrases describe the GOLD FOIL experiment? JJ Thomson Rutherford…

A: Answer:- The gold foil experiment was performed by Rutherford to verify the model of atom proposed…

Q: The equilibrium A(g) + B(g) - 2 C(g) has an equilibrium constant of 623.5. If the reaction is…

A: Given data : Equilibrium constant (Kp) = 623.5 PA = 0.150 bar PB = 0.150 bar PC = 22.4 bar

Q: Calculate the concentration of IO3 in a 8.15 mM Pb(NO3)₂ solution saturated with Pb(IO3)2. The Ksp…

A: Given data :

Q: second- order reaction 0.54M-1 s-1 what is half-life of reaction if the initial concentration is…

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Q: The reaction below has an equilibrium constant of K₂ = 2.26 x 10¹ at 298 K CO(g) + 2H₂(g) = CH3OH(g)…

A: Dear student since you have asked a question which has multiple subparts but according to guidelines…

Q: Determine the molar mass of the following organic compound.

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Q: For a particular reaction at 158.7 °C, AG= -332.73 kJ/mol, and AS = 436.17 J/(mol-K). Calculate AG…

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Q: bollit so of boon lost 2505 6918 Hydrogen peroxide (H₂O2 34.02 g/mol) is sold as an aqueous solution…

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Q: 2. Write the balanced equations for the chemical reactions below. Mind that calcium carbonate is an…

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Q: Tetrodotoxin, a powerful neurotoxin that causes paralysis and respiratory failure, is isolated from…

A: Given molecule is tetrodotaxine. Chirality center or chiral carbon is carbon that carbon which have…

Q: 2. Calculate the pH of the following solutions: a. 0.1 M HCI b. 0.1 M NaOH c. 1 nM HCI d. 0.1 M…

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Q: How many neutrons are in an atom of aluminum (Al) with a mass number of 27?

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Q: Bank the following from highest to lowest pla а. о b. с. он он а он живи он on F да у он он OH

A: We must know that PKa and acidity of a compound is inversely proportional. That is more the acidic…

Q: [References] A solution was made by mixing glucose (C6H12O6) and water (H₂O). Given that the mole…

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Q: QUESTION 3 Predict the direction of the following reactions in aqueous solution: Write FORWARD (if…

A: The reactions given are, 3) HNO2 (aq) + CN- (aq) ↔ HCN (aq) + NO2- (aq)7) CH3COOH (aq) + SO42- (aq)…

Q: X, the molecule shown below, is not planar. The terminal ring at one end is actually skewed up…

A: When compound contains chiral plane then compound is chiral and when compound contains plane of…

Q: s s O Identical оооо Hiitte O Enantiomers O Diasteromers O Constitutional Isomers

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Q: Hybrid orbitals in the triple-bonded carbon of alkynes Select one: a. spd b. sp3 c. sp d. sp2

A: Organic compounds are made up of carbon and hydrogen. These organic compounds are called…

Q: How can one confirm which of the two layers in the separatory funnel, upper or lower, is the CH2Cl2…

A: Chromatography is a  technique for the separation of a mixture into its components. The mixture is…

Q: 4. Two technicians have analyzed a standard with a known nitrate concentration of 25.0 mg/L. TH…

A: Precision is a measure of how close the measured values are to each other and accuracy is a measure…

Q: Indicate how the reaction rate changes in the following instances: a)Increasing the temperature…

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Q: This layout is confusing, can you rewrite this because this is not helpful.

A: In this question, we have to solve the preceding question.

Q: 2. Calculate the pH of the following solutions: a. 0.1 M HCI b. 0.1 M NaOH c. 1 nM HCI d. 0.1 M…

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Q: Which of the following is an amine? Select one: a. HCONH2 b. CH3COCH3 c. CH3F d. CH3NH2

A: Amines are define as a compounds with functional groups that contain a basic nitrogen atom with a…

Q: Balance the following equation with the smallest whole number coefficients. Choose the answer that…

A: Given: yields H3PO4 + (NH4)2MoO4 + HNO3      →      (NH4)3PO4. 12MoO3 + NH4NO3 + H2O   We have to…

Q: gas. How many moles of gas should be removed to be decreased the volume of container to 40L?-

A: Given intial volume (V1 ) = 85 L       Number of moles (n1) = 3.4 mole       Final volume (V2) = 40L…

Q: A 0.6003 g sample of impure Na2O is treated with HCl and 58.5 mg NaCl (58.44277) is obtained. What…

A: 0.6003 g of impure Na2O sample is treated with HCl and 58.5 mg of NaCl is obtained .We have to…

Q: 6. What is the normality of a 5-L solution containing 67.8 grams of sulfuric acid? (MW= 98.1 g)

A: Normality =Gram equivalent of solute / Volume of the solution (L) No. of gram equivalents= Mass of…

Q: A reaction has a rate constant of k = 0.0870 M-1·s-1. How many seconds will it take for the initial…

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Q: b.)  - mass of solute = ? g  - mass of solvent = ? g - mass percent of water  =

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Q: A generic reaction has the rate law rate = k[A]2[B]1. What is the value of the rate constant, k, if…

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Q: which of the acids below would have strongest conjugate ? base 2 the

A: Greater is the dissociation constant of the weak acid (Ka), greater is the amount of H+ ion produced…

Q: rinda toy 3. The EPA has set the limit for chromium in drinking water to 100 ppb. Calculate the…

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Q: Suppose

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Q: Draw two cyclic constitutional isomers of cis-1,2-dibromocyclopentane with the same size ring.

A: Given ->  Compound -> cis-1,2-dibromo cyclopentane  Constitutional Isomers also known as…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: The relation between molality and mole is-  Molality= mole / kg of solvent

Q: An alkane with 4 carbon atoms would have how many hydrogen atoms in each molecule Select one: a. 8…

A: The general formula of an alkane is CnH2n+2

Q: 1. Given the following solvents and their dielectric constants: Hexane 1.88 Benzene 4.6 Ethanol 25…

A: Note: for part a i can't provide handwritten answer because these are structures, so please…

Q: You can convert molarity to molality if you know thedensity of the solvent. Thedenominator must…

A: Molarity : It is defined as the number of moles of solute per liter of solution. Molality : It is…

Q: A sample of a gas mixture contains the following quantities of three gases. compound CO CO₂ SF6 со…

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Q: The atomic mass of Cl is 35.45 amu, and the atomic mass of Al is 26.98 amu. What are the masses in…

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Q: V (CH₂)2CHCH₂CH₂CH₂OH vi. O CH-CH-C-0-H I OH vii O CHOLAR CH,CHỊCHC CH=C-CH, CH. 0 || C-H…

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Q: The mass percent of KHP in an unknown salt sample was determined using both volumetric and…

A: We are given replicate values for the mass percent KHP for two different methods.  We have to…

Q: A volume of 500.0 ml. of 0.110 M NaOH is added to 585 mL of 0.250 M weak acid (K,= 8.02 x 10-5).…

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Q: To Draw the structure of each of the Compounds, Lx.M To OCAM 2. outline a flow chart describing the…

A: To answer the given questions regarding extraction of compounds from a mixture

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.