How many moles of solute are there in the following solutions?   1.80×10-1  m glucose solution made by dissolving the glucose in 100.0 kg of water:     mol    2.75×10-2  m Na2CrO4 solution made by dissolving the Na2CrO4 in 1000.0 g of water:     mol      1.65×10-1  m urea solution made by dissolving the urea in 500.0 g of water:     mol

Q: Add curved arrow notation to show how electrons will move to form a different resonance form.

A: Resonance structures are the set of Lewis structure that describe the delocalisation of electrons in…

Q: The density of H2 O(l) is 1.00 g/mL at 25 ̊C. What is the volume of 2.5 mol of H2 O? (A) 0.14 mL (B)…

A: Density is defined as the mass of a substance per unit volume.…

Q: Write the structure for a compound with the molecular formula C4H6O that would not be expected to…

A: IR spectroscopy is an important tool for the determination of the functional groups in the compound.…

Q: a. Write and balance the net ionic equation for the addition of HCI to a solution of HF/NaF b. The…

A: To write and balance the net ionic equation for the addition of HCl to a solution of HF/NaF, first,…

Q: How many mL of .350 M Ba(OH)2 is required to fully titrate 150.0 mL of .500 HCl?

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Q: How much heat is released at constant pressure if a 14.0-L tank containing 56.0 atm of hydrogen…

A: According to the ideal gas law,PV = nRTGiven:Pressure(P) = 56.0 atmVolume(V) = 14.0 LTemperature(T)…

Q: The picture below shows two atomic orbitals on two neighboring atoms. The orbitals have the specific…

A: According to the molecular orbital theory, the atomic orbitals of proper symmetry and optimum energy…

Q: Draw the molecular orbital diagram for N2H2 and H2CO include Lewis structure, name the molecular and…

A: molecular orbital diagram drawn considering the hybridization, bonds present between two atoms, lone…

Q: Q. You need to make a 200 mL stock solution that contains 500 ppm of n-butanol. How much, in grams,…

A: Note: 1 ppm = 1 mg/LConcentration of n-butanol solution = 500 ppm = 500 mg/LVolume of a solution =…

Q: Suppose a biochemist has 10 mL of a 1.0 M solution of a compound with two ionizable groups at a pH…

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Q: Draw the Lewis structure (including all lone pair electrons).

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: (a) Use the following data to calculate the enthalpy of hydration for calcium chloride and calcium…

A: Answer:Relation between all 3 enthapy values is:

Q: 2. Calculate pH of a solution made up of 0.20 M C₂H₂NH₂ and 0.10 M C₂H5NH3¹

A: 2. The concentration of the The concentration of the We have to calculate the pH of the buffer…

Q: a) Below is an asparagine molecule. Draw water molecules hydrogen bonding with it so that all. of…

A: The special type of dipole dipole interactions between lone pair of a electronegative atom and…

Q: 6. If the percent ionization of a 0.20M benzoic acid solution is 1.8%, calculate Ka for benzoic…

A: Details

Q: Which of the following fragments would not result when the following decapeptide is treated with…

A: We know that trypsin clevaged the peptide bond between the basic side chain containing amino acids…

Q: An aqueous solution of 10.02 g of catalase, an enzyme found in the liver, has a volume of 1.02 L at…

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Q: How many individual molecules of Mg(OH)2 are in 5.8 g of Mg(OH)2?

A: Mass of Mg(OH)2=5.8gmolar mass of Mg(OH)2=58.3g/molnumber of molecules=?

Q: 9. Redraw the following structure of glucose in bond-line form. Circle and identify each functional…

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question…

Q: Topic: Organic chemistry FIND THE REACTION MECHANISM FOR: Oxidation with potassium permanganate На с…

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Q: How many mL of .350 M Ba(OH)2 is required to fully titrate 150.0 mL of .500 M H3PO4?

A: Volume of H3PO4 = 150.0 mLConcetration of H3PO4 = 0.500 MConcentration of Ba(OH)2 = 0.350 MFind out…

Q: . This compound contains C, H, and one other atom. Identify the other atom from the mass spectrum…

A: Given spectra:To determine:(a) The atom other than C and H(b) Molecular formula of the compound(c)…

Q: Draw the major organic product for each of the hydroboration-oxidation reactions. Disregard…

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Q: Decide whether these proposed Lewis structures are reasonable. proposed Lewis structure :: :0: 0:…

A: Lewis’s bonding theory is based on the octet rule. The Lewis structure is a simplified…

Q: Which of these 3 compounds is the least basic: aniline, 2-propylamine and 1-(2-aminophenyl)ethenone.

A: Compound which contains N atom are generally basic and this is due to presence of lone pair on N…

Q: Draw the bond-line (skeletal) structure of the condensed formula shown. Be sure to include lone…

A: Condensed structural formulaThe condensed structural formula is one of the ways to draw organic…

Q: H₂N Br 0- F

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Q: Consider structures A-D. Part 1 of 3 OA Select the two species that represent conjugate acid-base…

A: Conjugate acid-base pairs are compounds which differ by presence or absence of only one…

Q: Drierite is a commercial product used to remove water vapor to provide a dry chemical environment.…

A: Temperature = 250CVapour pressure of water = 23.8 torrVolume of desiccator = 16LAir pressure in the…

Q: When an electron is removed from a neutral atom, a positively charge ion forms. This is called ____…

A: To determine:Name of the species formed when an electron from a neutral atom is removed.

Q: moitoses ont ni insasiq al elevedua on nerlw banisido ates 11.A weak acid has a pka of 7.4. To 100…

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Q: 13) How many moles of pyridine (C5H5N) are contained in 3.13 g of pyridine? A) 0.00404 C) 0.0396 B)…

A: mass of pyridine= 3.13 gmolecular mass of pyridine, C5H5N= 5 x molar mass of C + 5 x molar mass of H…

Q: Calculate the freezing-point depression and osmotic pressure in torr at 25°C for an aqueous solution…

A: Answer:Properties that depend on the number of solute particles present in the solution are called…

Q: Rank the following bonds in terms of their expected vibrational frequencies F-H, C-H, O-H, N-H

A: IR spectroscopy is an important tool for the determination of the functional groups in the compound.…

Q: Award cis/trans-, E/Z-, R/S- and/or M/P-descriptor(s) to each of the following compounds: NH

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Q: 5. You will need the following densities at 25 °C: magnesium = 1.7 g/cm³ and iron = 7.9 g/cm³. A…

A: We have found out the mass by using formula Density = Mass / Volume

Q: A Calculating the pH of a Buffer: pH-pk +log HA the Henderson-Hasselbalch equation. This applies…

A: The solution that resists the change in pH is known as a buffer solution. The buffer solution is an…

Q: The boxed functional group can serve as a ? R OA. Hydrogen bond donor OB. Hydrogen bond acceptor OC.…

A: An intermolecular force (IMF) known as a hydrogen bond is created when an electronegative atom (N, O…

Q: As the temperature of a pure substance is decreased at constant pressure, all of the following are…

A: Answer:Matter can be divided into 3 physical states:SolidLiquidGas

Q: Describe the preparation of 2.00 L of 0.200 M glycine buffer, pH 9.1, from glycine and 1.00 M NaOH .…

A: Glycine is an amphoteric amino acid with ionizable COOH and NH2 groups.It has the structure…

Q: How many grams of AgNO3 will be required to completely react with 5.0 g of KCI according to the…

A: Mass of KCl = 5.0 gMolar mass of KCl = 74.4 g/molMolar mass of AgNO3 = 169.87 g/mol

Q: Using the Henderson-Hasselbalch Equation calculate the pH of a buffer that contains 0.11 M Acetic…

A: The solution that resists the change in pH is known as a buffer solution. The buffer solution is an…

Q: Write the ground state electron configuration of W using the noble-gas shorthand notation.

A: The arrangement of electrons in an atom in orbitals around the nucleus is called as electronic…

Q: Determine if the reaction: 2 SO₂ + 0₂ → 2 SO is spontaneous at 298.15 K if Ps02 0.56 bar, Po2 =…

A: Spontaneous reactions are those reactions whose value of Gibbs free energy change is less than zero…

Q: The pH of a solution is 6.70 ± 0.02. What is the concentration of H* in the solution and its…

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Q: 1. Draw the three physical states of matter ( Solid, Liquid, Gas ) illustrate their behavior &…

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Q: Place the markers over the correct functional groups. HO 3° amine Plaas die merkers op die korrekte…

A: When one hydrogen in ammonia (NH3) is replaced by an alkyl group, it is called as primary amineWhen…

Q: Given the information A+B 2D CID calculate AG at 298 K for the reaction A+B 2C AH' = 641.6 kJ AH =…

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Q: Predict the major product(s) of the following reaction. 1) NaH 2) H3O* (workup) Jo HO O II O III ||…

A: According to Boldwin cyclization rule, 5-membered ring is more preferred than 6-membered and…

Q: A student needs to determine the density of an irregularly shaped object. This student prepares a…

A: Given:Density of Glycerol density = Density of Isopropanol density =The volume of Glycerol = The…