Draw 4 ADDITIONAL resonance structures for the following benzylic carbocation.

Q: Suppose you measure out 2.56 x 1024 molecules of water on the balance. If the cup containing the…

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Q: Complete the data table below:   n (moles) V (L) 0.100 1.223 0.200 2.445 0.300 3.668 0.400 4.891…

A: This question is based on mole concept.

Q: At 25 °C, the equilibrium partial pressures for the reaction 2A(g)+B(g) ----C(g)+2D(g) were found to…

A: Since, Equilibrium constant or Kp is the ratio of the equilibrium partial pressure of product over…

Q: What is the pH of a solution prepared by mixing 45.11 mL of 0.8314 M HCl and 42.03 mL of 0.7261 M…

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Q: A 0.150 M solution of a weak acid has a pH of 2.51. What is the pKa of the acid?

A: The given information is as follows:     The concentration of weak acid = 0.150 M The pH of the…

Q: In k₁ k₂ Q4/ For the Reversible chemical reaction: A If initial concentration of (A) was 20.25 mM…

A: Kc = [B]/[A] At equilibrium, we have [B] = 15.30 mM and [A] = 20.25 mM - [B] = 20.25 mM - 15.30 mM =…

Q: aqueous solubility of AgOCN at 20°C is 7.00 mg/100mL. What is the Ksp of AgOCN at 20°C?

A: T = 20°C  Solubility= 7.00 mg/100mL

Q: Which ones would undergo mutarotation? Check all that apply. 1,3,6-tri-O-methyl-D-fructofuranose…

A: Mutarotation is a process in which an anomeric form of a sugar changes to another anomeric form when…

Q: Identify the reagent(s) you could use to accomplish the following transformation. Select all that…

A: Reaction -1  Alcohol functional group is replaced by the -Br group with inversion of configuration…

Q: Sketch the titration curve for the titration of 85 mL of 0.40 M A− (Kb = 3.9 ✕ 10−7) with a 0.40 M…

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Q: 1. How many unpaired electrons are in the boron atom? This atom is A. Paramagnetic B. Diamagnetic 2.…

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Q: 3) A buffer was made using 0.10 moles of A- and 0.010 moles of HA, to form 1.00 L of solution. If…

A: Buffer solution are those which resist the sudden pH change.  Buffer solution are two types acidic…

Q: Convert 1.252 moles of sodium chloride into grams.

A: We know, Mass needed = moles × molar mass Now, molar mass of NaCl = 58.45 g/mol Given moles = 1.252…

Q: fter 41.0 min, 18.0% of a compound has decomposed. What is the half-life of this reaction assuming…

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Q: Calculate the molar mass of formaldehyde CH2O and C6H12O6.

A: Since, Molar mass of the compound is the sum of molar mass of each atom present in the molecule.…

Q: According to the following reaction, how many moles of magnesium hydroxide will be formed upon the…

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Q: (Ь) Tell whether the compounds are enantiomers, diastereomers, constitutional isomers, or not…

A: -> Enantiomers are pair of compounds having just opposite configuration at each chiral center.…

Q: How many unique carbons in cnmr

A: To check the equivalent carbon atoms; we must check the environment of that carbon atom. The carbon…

Q: Nitrosyl bromide decomposes according to the following equation: 2NOBr (g) ⇌ 2NO (g) + Br2 (g) A…

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Q: A sample of copper absorbs 55.2 kJ of heat, resulting in a temperature rise of 95.0°C, determine the…

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Q: A student dissolves 11.1 g of sodium hydroxide (NaOH)in 200. g of water in a well-insulated open…

A: Exothermic reaction:- Reaction in which heat is released. Endothermic reaction:- Reaction in which…

Q: 1) Identify the situations below: a) 200.0 mL of 0.10 M HClO2 is added to 100.0 Moles of Acid Strong…

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Q: Which statement(s) is/are true about the graph below? 1. At 1 min, Q < Keq 2. At 2 min, Q = Keq 3.…

A: Reaction quotient (Q) has expression similar to equilibrium expression with only difference that in…

Q: Calculate Kp for the reaction 2NOCI(g) reaction is 2.1 x 10-². A) 2.1 x 102B) 1.7 x 103 C) 0.70 D)…

A: The equilibrium constant in terms of concentration and terms of partial pressures of an ideal gas…

Q: What is the pH at the equivalence point in the titration of a 27.0 mL sample of a 0.457 M aqueous…

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Q: Please help with these 3

A: Nitro group is reduced to amino group by the using Fe in HCl.  Alkyl benzene is oxidized into…

Q: Oxalic acid, HO₂CCO2H, is a diprotic acid with Ka1=5.62× 10-2 and Ka2=5.42 x 10-5 Calculate Kb for…

A: The question is based on the concept of acidity and basicity. we need to write the value of base…

Q: Describe the preparation if 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O (244.3 g/mol).

A: To prepare 500 mL of 0.0740 M CI2 solution from solid BaCI2 2H2O, you would need to follow these…

Q: answer the questions, interpret the following Lewis structure for SO42-. For the central sulfur…

A: This question belongs to chemical Bonding.

Q: Consider the following hypothetical reactions :  A ------>   B   ΔH = + 30 kJ B ------>  C    ΔH =…

A: According to Hess's Law total change in enthalpy of a chemical reaction is equal to sum of enthalpy…

Q: You start with 20.0 mL of 0.50 M H(C₂H3O2), and you titrate that with 0.50 M NaOH. For H(C₂H3O2),…

A: [HC2H3O2]=0.50M  Volume of HC2H3O2 =20.0mL  [NaOH]=0.50M  pKa=4.7

Q: Nitric oxide (NO) reacts with molecular oxygen as follows: 2NO(e) +0,(e) 2NO, (e) 1 Initially NO and…

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Q: Write the complete electron configuration for the carbon atom. Using the noble gas abbreviation…

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Q: each chemical reaction listed in the table below, decide whether the highlighted atom is being…

A: Oxidation- Loss of electrons from any species and increase in oxidation state is called oxidation.…

Q: In an experiment, liquid heptane, C,H₁6(1), is completely combusted to produce CO₂(g) and H₂O(l), as…

A: Given:- ∆Hcom= ∆Hrxn = - 4.85×103 KJ  •Here we have to calculate enthalpy of formation for C7H16(l).

Q: You have a 50.0-mL sample of 4.56 M acetic acid (K = 1.8 × 10-5). Calculate the pH of the best…

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Q: 9) Within a balloon, there are three types of gasses. You have 12.7 grams of gas #1 (N₂ gas), 9.7…

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Q: CI 1) NaNH, 2) H30*

A: Isomers are the same molecular formula but the difference in the structure and arrangement of atoms.…

Q: Reaction a) maltose (s) + H₂O (1) - -----> 2 glucose (s) Reaction b) 6 CO2 (g) + 6 H₂O (1)-->…

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Q: Calculate the molar solubilities for aluminum hydroxide, Al(OH)3, Ksp = 2 × 10-32, in a buffer…

A: Molarity of acetic acid = 0.300 M Molarity of sodium acetate = 0.300 M pKa of acetic acid = 4.74 Ksp…

Q: The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per…

A: Answer: This question is based on the concept of limiting reagent. Limiting reagent is the reactant…

Q: Figure 8-2 shows a mechanistic scheme for an organic reaction. In Step 1, the nucleophile is [Select…

A: Nucleophile:- Substance which is electron rich species or contains loan pair and donate electron.…

Q: 29.5 mL of 2.50 M stock solution of sucrose is diluted to 50.0 mL. A 12.3 mL sample of the resulting…

A: We know that  Molarity of solution= mol of solute/ vol. of solution (L)  mole of sucrose = Molarity…

Q: Write the equilibrium constant expression, K, for the following reaction: If either the numerator or…

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Q: Balance the chemical equation below using the smallest possible whole number stoichiometric…

A: The question is based on the concept of chemical reactions. we need to balance the given reaction.

Q: If you wanted to anodize 1.00 mol of Al to Al₂O3, how many mol of electrons would you need to…

A: =&gt; Al + 3/2 O2  =&gt; 1/2 Al2O3 =&gt; Oxidation number of Al in Al2O3 is Al3+. =&gt; So we are…

Q: stion 14 A buffer is prepared to achieve the target pH = 7.20. The ratio of the conjugate base to…

A: Given, conjugate base is denoted as B conjugate acid is denoted as A The ratio of conjugate base to…

Q: The pH of a 0.100 M aqueous solution of an unknown monoprotic acid, HX, is 5.26 at 25 ºC Which of…

A: Given The pH of a 0.100 M aqueous solution of an unknown monoprotic acid, HX, is 5.26 at 25 ºC Ka =…

Q: wires heat sample Water Stirrer nud Sample buming Steel sample outside chamber In an experiment, a…

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Q: Ectocarpene is a volatile, sperm cell-attracting material released by the eggs of the seaweed…

A: We have to draw the structure of the given compound such that the stereochemistry of the chiral…

Alkynes

Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.