Identify these elements based on their locations in the periodic table. Give the symbol, not the name. period 4, group 14 (4A) period 4, group 11 (1B) period 3, group 17 (7A)

Q: Draw the major product of this reaction. Ignore byproducts. CH3SH , Br

A: This reaction goes through SN1 mechanism. First step in mechanism produce tertiary carbocation which…

Q: HC,H,O,(aq) +K,CO3(aq)→H,O(1)+CO2(g)+KC,H,O2(aq) Express your answer as a chemical equation…

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Q: 1. Draw the open-chain form for each of the following monosaccharides. CH OH Но он HOCH он HO он он…

A: Six membered ring containing monosaccharide is called pyranose form of the monosaccharide. Five…

Q: CI ОН

A: In this reaction base will abstract the most acidic proton from OH and convert OH into O- which then…

Q: What is the order in which the H1 NMR singals would appear (from most downfield to most upfield) ?…

A: 1Hnmr spectra provides the information of hydrogen environments of the unknown compound. The factors…

Q: 10. Which sequence of reactions best represents the synthesis of 4-methylbenzonitrile? (a) (b) O…

A: For getting 4-methylbenzonitrile the Option B will be the most favorable option , as here…

Q: Acetic acid and benzoic acid are soluble in cold water. and in hot water? Explain why there is a…

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Q: Which of the following compounds would have the highest boiling point? CH3CH₂CH3 O CH3CH₂OH…

A: "Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Show a detailed mechanism of the following reaction: + R-NH₂ R or". + H₂O

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Q: A HCN / NaCN buffer system is to be constructed that is also 0.048 M in Mg2+. What is the minimum…

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Q: The combustion of gasoline (C8H18) leads to a change in internal energy, AU of 5404 kJmol-1 at 298.0…

A: Given : reaction reaction Tip : ∆H = ∆U + ∆ngRT

Q: Given the reaction below: 2SO2 + O2 → 2SO3 If 90.0 g of SO2 are mixed with 100.0 g of O2, which is…

A: Limiting reagent in a chemical reaction is the chemical species which consumed completely when the…

Q: What volume (in mL) of water must you add to 50.0 mL of a 0.600 M LiBr solution to produce a 0.185 M…

A: Given :-  Initial concentration of LiBr solution (M1) = 0.600 M  Initial volume of solution (V1) =…

Q: Which reaction is an oxidation-reduction reaction? OA. 2 HCl(aq) + Mg(s) -------> MgCl2(aq) + H2(g)…

A: Oxidation -Reduction reaction is also called redox reaction.

Q: QUESTION 13 A solution has a hydronium ion concentration of 0.0078 M at 25 °C. What is its pOH? O a.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 7.46 Identify the conjugate pairs in the following acid-base reaction: HJw HSO3 (aq) + HSO4 (aq) →…

A: In acid-base reaction, when an acid donates a proton, the acid gets changed into a base, and when a…

Q: Propose a synthetic route to perform the following transformations and also explain it in a…

A: The transformations are-  a) 3-pentanol———>2-ethylbutanoic acid b) isopropanol———>…

Q: 1. What does adsorb mean? 2. What is chromatography used for? 3. Why must a pencil rather than a pen…

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Q: A compound has the following percent compositions. Find the empirical formula of this compound.…

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Q: Which of the following functional groups could be represented by the following infrared spectrum? m…

A: Infrared spectroscopy (IR spectroscopy) is spectroscopy that deals with the infrared region of the…

Q: It takes 52.0 J to raise the temperature of an 9.00 g piece of unknown metal from 13.0∘C to 25.0 ∘C.…

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Q: 4.7 Aniline can be synthesized from benzene by using correct synthetic schemes. Choose one scheme…

A: Aniline can be formed by benzene. The first step of the formation of aniline is the nitration of…

Q: A solution contains 1.37x10-2 M zinc nitrate and 1.29x10-2 M barium acetate. Solid sodium carbonate…

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Q: The density of a substance is 1.5 grams per milliliter. What is the mass of 0.35 liters of the…

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Q: Value: 4 Which of the following part of the chemical formula represents the initial letter, denoting…

A: We have been asked  which is part of chemical formula that represents the initial letter, including…

Q: 100.0 mL of a 0.855 M solution of KBr is diluted to 500.0 mL. What is the new concentration of the…

A: Answer:- This question is answered by using the simple concept of dilution of a concentrated…

Q: Single crystals are translucent but most crystalline solids appear white.3 Explain this observation.

A: Given, Crystalline solids : It is solid material which has highly ordered arrangements microscopic…

Q: Balance the following reaction   _____ C8H18             +     _____O2           ------->…

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Q: Which reaction is a precipitation reaction? O A. AgNO3(aq) KBr(aq) O B. 2 H₂O(l) OC. H₂CO3(aq) OD.…

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Q: A piston has an external pressure of 6.00 atm. How much work has been done in joules if the cylinder…

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Q: What type of oxygen-based functional groups may be present in the molecule, based on the IR? Can the…

A: IR spectroscopy is used to determine the functional groups present in the sample. Different…

Q: Consider positronium, an atomic-like system made of an electron and a positron. Find the wavelengths…

A: Reduced mass of positronium, u = mm/m+m = m2/2m = m/2  where m is mass of electron or positron…

Q: What type of reaction is described by the following chemical equation   H2  +  Cl2  -------> 2HCl…

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Q: The red color in the nirtate broth following the addition of reagent A and reagent B, but before the…

A: In this question, we have to answer that red color in the nirtate broth following the addition of…

Q: What is the approximate concentration of free Ag+ ion at equilibrium when 1.36x10-² mol silver…

A: Given data, Silver nitrate added at equilibrium  1.36×10-2 mol to 1 L of solution that is 1.2 M in…

Q: Hospital X-ray generators emit X-rays with wavelength of about 15.0 nanometers (nm), where…

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Q: An analytical chemist is titrating 128.3 mL of a 0.7000M solution of cyanic acid (HCNO) with a…

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Q: Define the reducible representation for the vibrational modes for the P-Br stretches. Note if they…

A: Point group is D3h. D3h E 2C3 3C2 σh 2S3 3σv     A'1 1 1 1 1 1 1   x2 + y2, z2 A'2 1 1 -1 1 1…

Q: 9.14 The diagram shows the potential energy of NaCl. A parabola has been drawn over the potential…

A: To find out the value of the effective force constant, frequency and the wavelength from the given…

Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: According to Arrhenius concept, an acid is a substance i.e. when dissolved in water gives H+ ions .…

Q: Is the amount of energy it will absorb per unit of physical properties. erty can be measured quite…

A: Another physical properties that help you identify tha sample used in this experiment include…

Q: Write a balanced net ionic equation to show why the solubility of Ni(CN)2(s) increases in the…

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Q: 7. Consider the following alkyl bromide compounds as substrates for a SN2 reaction. Y Br X Bra Which…

A: Allyl halides react faster than alkyl halide in an SN2 reaction SN2 reaction proceeds through…

Q: Question 4 Select the correct bond angle for each of the following central atoms: HNO₂ (central atom…

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Q: A hypothetical compound, (R)₂NH has a K, of 5.5x 102. What is the pH of 2.9 M of this compound? R…

A: Given data :  Kb of compound = 5.5 × 10-2 Concentration of compound = 2.9 M  Formula used :  Kb =…

Q: In each case state, with explanations, whether the products of these reactions are chiral and/or…

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Q: QUESTION 16 What is the pH of a 0.20 M solution of the weak base ephedrine (Kb = 1.4 x 10-4) at 25…

A: 16.) A weak base will react with water to give hydroxide ions. So first we would write equation and…

Q: A mixture formed by adding 43.0 mL of 2.5x10-2 M HCl to 140 mL of 1.5x10-2 M HI Express the pH of…

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Q: What type of reaction is described by the following chemical equation   F2   +   CaCl2  -------->…

A: In a Rxn , When two or more substances combine to form a new substance then this type of reaction is…

Q: QUESTION 28 What is the pH of a 0.056 M HCIO4 solution? O a. 12.75 O b. 11.12 O c. 2.88 O d. 15.25 O…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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.