Molecule Aluminum trihydride Nitrogen (N₂) Oxygen (O₂) Carbon disulfide Phosphorous trichloride Acetic acid Phosphorus trihydride Methane (CH4) Ammonia Ammonium ion Sulfuric acid Carbon onoxide MOLECULAR GEOMETRY # of #of bonded unpaired electrons electrons Best Lewis Structure Central atoms Central Atom Geometry Bond Angle

Q: What is the theoretical acetylsalicylic acid ? (Moles)

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Q: Draw a Lewis structure for SO2(CH3)2 in which the octet rule is satisfied on all atoms and show all…

A: Lewis structure is an electron-dot structure in which the electrons are represented by dots. The…

Q: The equilbrium system pictured below has an equilibrium constant of 3.41 x 10^-5. 1.76 moles of the…

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Q: A chemist dissolves117.mg of pure nitric acid in enough water to make up 210.mL of solution.…

A: Weight of HNO3 = 117 mg = 0.117 g (1g = 1000mg)  Volume of solution= 210 ml = 0.210 L  (1L = 1000ml…

Q: METALLIC CRYSTALS ARE ALWAYS... (Discuss the microscopic arrangement of the particles in these…

A: A question based on investigation of solid structure. Metallic crystals and covalent network…

Q: What basic element is needed to make TH?

A: TH (thyroid hormone) , is a hormone produced by the thyroid gland that plays a critical role in…

Q: If the molar solubility of a compound with the chemical formula A3B is (4.4x10^-6) mol/L, what is…

A: We have to calculate the Ksp of A3B. Given : molar solubility of A3B is 4.4 × 10-6 mol/L

Q: Consider the reaction: 2BrF3(g) → Br2(g) + 3F2 (g) Using standard thermodynamic data at 298 K,…

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Q: The reaction of DBU with 2-bromoheptane gives two alkene products, what are they? Which of these…

A: Here DBU is a base and it leads to elimination reaction (E 2 reaction).

Q: The coefficients in a reaction equation are not necessarily equal to the reaction orders, whereas…

A: Statement:-  The coefficients in a reaction equation are not necessarily equal to the reaction…

Q: Amazon Business Staples Pan Draw a resonance structure that places a pi bond in a different…

A: For a molecule we can write more than one Lewis structures which are differ by the position of…

Q: Could you give the IUPAC names of given organic compounds 요

A: As per our guidelines We are supposed to answer only the first three questions, hence kindly repost…

Q: Determine the pH of a 0.25 M NH3 solution. Round your answer to 2 decimal places. Note: K for NH₂ is…

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Q: MeO н NaBH4, H₂O MeO OH

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Q: Which of the following is the correct chemical formula for a molecule of astatine? O At At At2 Att

A: Astatine (At) : The atomic number of astatine is 85 . It belongs to the halogen family in the…

Q: ould someone please help I know it agaisnt the guidelines but please!  No plagiarism, please!…

A: Given reaction Fe3+(aq) + SCN-Yellow⇌FeSCN2-(aq) + heatOrange red

Q: When is a system at equilibrium said to be dynamic? At the start of the process when only reactants…

A: During a chemical reaction, when the rate of forward reaction is equal to the rate of backward…

Q: Suppose a 500. mL flask is filled with 1.3 mol of NO3 and 1.8 mol of NO₂. The following reaction…

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Q: Which of the following is the basis for calorimeter calibration? Group of answer choices Law of…

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Q: 18. An unknown volume of water at 18.2°C is added to 24.4 mL of water at 35.0°C. If the final…

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Q: Using the average bond strengths below, estimate the molar heat of hydrogenation, AHhydrogenation,…

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Q: 1. Nickel can adopt several different co-ordination geometries. Draw each of the following: A square…

A: When the coordination number is 4, then two arrangements are possible: Tetrahedral and Square Planar…

Q: List and describe physical properties that can be used to determine whether or not a substance is…

A: Ionic compounds are those in which the constituent particles are electrically charged ions. So they…

Q: CN H₂, Pt Propose a structure for the product of this reaction. 441 • You do not have to consider…

A: In the given reaction reduction of reactant is occurred by using the reagent as H2 and catalyst as…

Q: Consider a 2070 lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles per…

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Q: wt% of Ca²+ 24

A: Volume of water = 20 mL The density of water = 1.0 g/mL Mass of water (Solvent) = Volume × density =…

Q: Brass is an alloy of copper and zinc. Varying the mass percentages of the two metals produces…

A: Brass is a substitutional alloy. Yellow zinc is also known as brass. It is an alloy of copper and…

Q: Predict the product of the following reaction: Li2CO3(s) + HBr(aq)

A: This is a type acid-base reaction

Q: 17. Calculate the pH of a solution prepared by mixing 200.0 mL of 0.100 M NaOH with 150.0 mL of…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Propose a lewis dot structure for both water and ammonia

A: we have to determine the Lewis structure of water and ammonia

Q: Consider the reaction: CO₂(g) + H₂(g) → CO(g) + H₂O(g) Using standard thermodynamic data at 298 K,…

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Q: A 25.0 mL solution of Ba(OH)2 is neutralized with 20.8 mL of 0.250 M HBr. What is the concentration…

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Q: 10. The K₂ of HONH₂ is 1.1 x 10-8. a. Calculate the pH and percent dissociation of a solution…

A: Given: Kb of HONH2 = 1.1 x 10-8 [HONH2] = 0.100 M To calculate: a) Calculate the pH and percent…

Q: (a) Consider that 25.0 g of CH4(g) is contained in a sealed 2.0-L container at 30°C. What would be…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Why alkene will yield the most stable carbon cation during the electrophilic addition of HCI. O A OB…

A: Electrophilic addition reaction The intermediate involved in the reaction is carbocation The…

Q: -4. A single molecule of a certain compound has a mass of 3.4×10-22 g. Which value comes closest to…

A: Given, mass of 1 molecule = 3.4×10–22 g WE have to calculate the mass of 1 mole of this compound.

Q: Determine the oxidation state of P in PO3³-. +2 0 +3 +6 -3

A: we have to determine the oxidation state of P in PO33-

Q: Nitrogen dioxide and water react to form nitric acid and nitrogen monoxide, like this: 3…

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Q: How much heat is required to heat 59.3g of liquid ethanol from -7*C to the vapor state at 78*C

A: Given,  Mass of liquid ethanol = 59.3 g.  Initial temperature = - 7 °C Final temperature = 78 ° C…

Q: Determine whether each of the changes below will cause a shift to the left (L), right (R), or no…

A: At a given temperature, if the concentration of any one of the reactants or products is changed,…

Q: Calculate (in kJ/mol) the standard Gibbs free energy change (AGºrxn) for the oxidation of sulfur…

A: The given reaction is  2SO2(g) + O2(g) → 2SO3(g)  ∆Hrxn = -198.4 kJ = 198400 J  ∆Srxn = -187.9 J/K…

Q: write the mechanism of 5-nitrosalicylaldehyde + meldrum's acid

A: Knoevenagel condensation reaction is the condensation between aldehyde or ketone with active…

Q: (a) Complete the reaction scheme; what are the reagents labelled 1-7? +2 Et₂O PhMgBr (PhCH,)SnCl + 4…

A: Question is from basic organometallic chemistry .

Q: Which ion, Ca+² or Cl-1, would have the smaller atomic size? Explain

A: Given ions, Ions are, Ca2+ and Cl-1 Which one is smaller size ?

Q: Decide whether each chemical reaction in the table below is an oxidation-reduction ("redox")…

A: A reaction in which oxidation & reduction occurs simultaneously are called Redox reaction.…

Q: Question 1 Complete the following reaction sequence, giving structural details of all key…

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Q: Determine the name for HCIO3. chloric acid O chlorate acid O hydrochlorus acid O perchloric acid O…

A: Given compound is HCIO3

Q: A pictorial representation of an electronic configuration is shown. ↑↓ ↑↓ ↑↓↑↓ ↑↓ ↑↓ ↑ ↑ 1s 2s 2p 3s…

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Q: What information is needed to determine the concentration of an unknown sample using spectroscopy?…

A: The concentration of some unknown compound is done using UV spectroscopy with the help of…

Q: .) On the line drawn below, provide the systematic (IUPAC) name for the following structure. Be sure…

A: A question based on nomenclature of organic compounds. An organic compound with 3 C=C double bonds…

Quantum Mechanical Treatment of the Valence Bond Theory

Quantum mechanical treatment of valence bond theory refers to the relationship established between the quantum mechanical theory and the valence bond theory to describe the chemical bonding in a particular molecule.