Chemistry need help labeling peaks and idnetify compound

Q: am talking about this one on the ir spectroscopy we have carbon carbon double bond on benzen the…

A: In IR spectra each functional group has its own unique frequency range. Given molecule are Vanillin…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: The concentration of chemical solutions can be expressed in several different units of measurement…

A: Given that the 4 mM solution has an absorbance of 1.000 when measured in 1.0 cm cuvette.

Q: Benzoic Acid Ether Layer D A Ethyl 4-aminobenzoate Ether Layer Add 3 M HCI Aqueous Layer Add 3 M…

A: Acidic compounds soluble in basic solvents And basic compounds soluble in acidic solvents

Q: The unbalanced reaction for the combustion of pentane (C5H12) is: C5H12 + O2 CO₂ + H₂O If the molar…

A: During combustion, pentane reacts with oxygen to form carbon dioxide and water. The equation for the…

Q: MULTI-STEP HEAT PROBLEMS The data below refers to an unknown substance, X. Melting Boiling Point…

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Q: At a certain temperature, the equilibrium constant K for the following reaction is 0.0082: N₂(g) +…

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Q: 1% 77- 701 60 50 40 30 20 10 -04 4000 3306.430m-1 3500 2020.44cm-1 3000 2556.70cm-1 2500 cm-1…

A: IR spectra provides the information of possible functional groups of unknown compound based on their…

Q: Predict the products for the following reaction CdCl2(aq) + (NH4)S(aq) →

A: In this reaction, two ionic compounds are given . So they will undergo double displacement reaction.…

Q: the born- haber process is produces ammonia (NH3) and is responsible for the vast increase in…

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Q: The gas phase decomposition of nitrosyl chloride at 400 K NOCI(g) → NO(g) + ½ Cl₂(g) is second order…

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Q: You have been asked to determine the empirical formula of an iron(?) nitrate salt, Fe(NO). You weigh…

A: Firat we would calculate the mass of iron and nitrate ion . Using the mass , we would calculate…

Q: write the net ionic equation for reaction of sulfate ion with AgNO3

A: An aqueous solution of silver nitrate reacts with an aqueous solution of sulfate ion to form a…

Q: 4. Calculate the amount of energy absorbed when 5g ice @ 0°C melts to water at 0°C. Did a phase…

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Q: geometry, indicate the molecular shape, determine hybridization, and determine if polar/nonpolar,…

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Q: 2) A three gram sample containing an unknown amount of Sn² is titrated with 37.5 mL of a 0.015 M…

A: #2: Total mass of the unknown sample containing Sn2+ = 3.00 g  Volume of 0.015 M dichromate…

Q: for the following reaction Corban. (graphite) Date Page ; 3;87 gm of are allowed to react with 14.4…

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Q: Lareina the laboratory technician is given the task of making a solution containing HOBr ( 2.8 x 10…

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Q: Titus titrates 45 mL of 0.750 M lactic acid (HC₂H₂O₂, Ka NaOH. = 1.5 x 10 4) using 0.250 M Calculate…

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Q: When measured in a 1-cm cell, an 8.50 x 10-5 M solution of species A exhibited absorbances of 0.129…

A: Use Beer’s law. A = ε*C*l where A is the absorbance of a solution having concentration C and…

Q: A first order reaction has a rate constant of 0.1546 min^-1. Calculate the half-life (in seconds) of…

A: Given information is, Given reaction is first order reaction.  Rate constant =k= 0.1546 min-1 Half…

Q: Solubility of Ionic Compounds Classify each of the compounds as soluble or not soluble: iron(II)…

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Q: Fill in the information missing from this table. nuclide 23 11 Na protons 55 neutrons 0 0 78 Z 0 22…

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Q: 36 > Macmillan Learning A current of 6.00 A is passed through a Sn(NO3), solution. How long, in…

A: Given, Mass of Tin (Sn) = 5.50 g Current (I) = 6.00 A Time (t) = ? Note: molar mass of Tin (Sn) =…

Q: A KNO3 solution is made using 98.4 g of KNO3 and diluting to a total solution volume of 1.60 L.…

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Q: For the following reaction, 3.27 grams of iron(II) chloride are mixed with excess silver nitrate.…

A: The balanced chemical reaction is,  FeCl2(aq) + 2AgNO3(aq) -------> Fe(NO3)2 (aq) + 2AgCl (s)…

Q: Pre-Lab Exercises 1. What is qualitative analysis used for? 2. What color does potassium impart to a…

A: Qualitative analysis is an experimental process which helps to determine the presence of compound in…

Q: The metal catalysts in catalytic converters lower the activation energy of CO-to-CO₂ conversion by…

A: A catalyst is a substance that lowers the activation energy of a chemical reaction and thereby…

Q: write the net ionic equation for reaction of sulfate ion with Ca(NO3)2

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Q: For the dissolution of hydrogen gas in water, determine whether the solute -solute interactions,…

A: Hydrogen gas is non polar molecules as this is homo nuclear diatomic molecule. water is polar…

Q: You have been asked to determine the empirical formula of an iron(?) nitrate salt, Fe(NO). You weigh…

A: Given the mass of the iron nitrate sample = 4.1419 g  => (mass of iron) + (mass of nitrate) =…

Q: which of the following processes produces a decrease of the entropy of the system? dissoling sodium…

A: Entropy is the measure of randomness.

Q: compound zinc nitrate is a strong electrolyte. Write the reaction when solid zinc nitrate is put…

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Q: 6. Patients suffering from chronic lung disease often rely on portable tanks of compressed O₂. The…

A: Here we have to use ideal gas equation and van der Waals gas equation.

Q: These two (2) structures have ambiguous configurations. Provide a wedge and dash structure for the…

A: To draw the wedge -dash conformation of the given molecule in such a way that the structure 1 have…

Q: Lareina the laboratory technician is given the task of making a solution containing HOBr ( Ka = 2.8…

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Q: ter the solubility expression for Mg3(PO4)2(s). sp || [Mg²+ ]³[PO¾¯ ]²

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Q: The enthalpy of vaporization for methanol is 35.2 kJ/mol. Methanol has a vapor pressure of 101.3 kPa…

A: Clausius-Clapeyron equation  ln (P1/P2) =  deltaHvap /R (1/T2-1/T1) P2 = 101.3 kPa T2 = 64.7 0C =…

Q: N₂H₁(I) + H₂(g) → 2NH3(g) So (J/mol L) 121.2, 130.7, 192.8

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Q: Titus titrates 60 mL of 0.700 M lactic acid (HC,H,O,, Ka = 1.5 × 10 NaOH. Calculate the pH of the…

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Q: When solutions of silver nitrate and magnesium chloride are mixed, silver chloride precipitates out…

A: Given data is Molarity of Silver nitrate solution=8.16 M Volume of silver nitrate solution= 1.59 L…

Q: The value of AG at 25°C for the following reaction: C₂H₂(g) + H₂(g) → C₂H6(g) is what? At 298 K, AH°…

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Q: For each combination of substances dissolved in water shown below, determine whether it forms or…

A: Buffer Solution is a water solvent based solution which consists of a mixture containing a weak acid…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) Fe²+ + Cr → Fe + Cr³+ CONTENT SHOULD BE…

A: this is a redox reaction where reduction and oxidation occur simultaneously.

Q: Question 41: Predict the product of the following reaction. Br CH3 NaNHạ, NHa

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Q: Calculate the amount of energy given off when 13g of water at 51° C freezes to ice at 0°C. Did a…

A: At 51°C , water is in liquid phase, so first there would be cooling of water from 51°C to its…

Q: CH(CH3)2 -SH Br H3C- H -CH₂CI CH₂CH₂OH

A: For configuration draw an arrow starting from priority one and going to priority two and then to…

Q: Question 20 UV-A penetrates deeper into the subcutaneous layer of the skin than UV-B because the…

A: Answer: UV-A penetrates deeper into the subcutaneous layer of the skin than UV-B because former is…

Q: For many purposes we can treat ammonia (NH,) as an ideal gas at temperatures above its boiling point…

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Q: Question 29 Type K fires are extinguished by alkaline mixtures such as potassium acetate, potassium…

A: Fire extinguisher : It is an active fire protection device used to extinguish or control small fires…