What is the most common type of detector used in UV–visible spectrophotometry?

Q: Consider the following substance:  CH3CHO. Which intermolecular forces are  present?  (Please follow...

A: The given molecule CH3CHO that is Acetaldehyde is basically an organic compound be included in the f...

Q: You have 500mL of a solution containing 0.20M acetic acid (CH;COOH) and 0.30M sodium acetate (CH¿COO...

A: Prior to the addition of NaOH, [CH3COOH] = 0.20 M [CH​​​​​​​3​​​​​​​COO​​​​​​​-] = 0.30 M On additio...

Q: Complete the equations

A: The Simmons–Smith reaction is an organic cheletropic reaction involving an organozinc carbenoid that...

Q: A 100.0-g bar of cadmium is heated from 25 °C to 50 °C during which it absorbs 578 J of heat. Assume...

A: Given data :  Mass of Cd bar = 100.0 g  Temperature change ,∆T = 50°C - 25°C = 25°C = 25K  (Because ...

Q: The molar solubility of PbBr2 at 25 °C is 1.0 * 10-2 mol/L. Calculate Ksp

A: Ksp is solubility product, also defined as equilibrium constant that relates the concentration of io...

Q: (a) Write expressions for dV and dp given that V is a function of p and T and p is a function of V a...

A: The state of the system means the condition of the system which is described in terms of certain obs...

Q: The sample is dissolved in a mixture containing 10ml of distilled water and 20 ml of dilute HCL.Afte...

A:        

Q: Which of the following has a square pyramidal molecular geometry?

A: Square pyramidal is a molecular shape that results when there are five bonds and one lone pair on th...

Q: Determine the root mean square velocity of He atoms at 25.0°C in /s.

A: Root-mean-square speed: The gas particles are in contentious motion. The speed of a gas particle dep...

Q: If the density benzene C6H6 is 0.879g/mL, how much many moles are present in 17.9 mL of benzene?

A: Given, Density of benzene = 0.879 g/mL Volume = 17.9 mL Molar mass of benzene is 78.11 g/mol Now, De...

Q: A solution was prepared by dissolving 1210 mg of K3Fe(CN)6 (329.2 g/mol) in sufficient water to give...

A: Molarity is defined as number of moles of solute per liter of solution. M = n/V  where, M = molarity...

Q: The coordination complex [Cr(CO)6] forms colorless, diamagnetic crystals that melt at 90 °C. What is...

A: The oxidation number of chromium in Cr(CO)6 has to be given.

Q: A 500.0mg of butter was warmed and shaken vigorously with water. The undissolved material was remove...

A: A Volhard method is an inorganic quantitative analytic method in which an indirect or back titration...

Q: A sample of gas has a volume of 3.0 L at 25° C and 690 mmHg. What will be the volume of this gas at ...

A: Given fixed volume of gas will occupy different volumes when pressure conditions and temperature of ...

Q: In what way(s) might the results of the separation and purification procedure outlined  be different...

A: The carboxylic acids are weak acids and they dissociate feebly in water to furnish the hydrogen ions...

Q: What is the wavelength of the line (in nanometers) in the Balmer series of hydrogen corresponding to...

A:

Q: What is the volume, in liters, occupied by a mixture of 17.3 g Ne(g) and 32.8 g Ar(g) at 7.15 atm pr...

A: Molar mass of Ne = 20 g/mol So moles of Ne = 17.3 g/ (20 g/mol)                              = 0.865...

Q: Determine the wavelength of light emitted in an electron transition from n=4 to n=2 in a Be³⁺ ion. a...

A: Using the formula for wavelength calculation for electron transition:

Q: Consider the reaction: 2 HI (g) = H2 (g) + I2 (g) Kc = 7.21 If at equilibrium the reaction vessel co...

A: Given reaction: 2 HI (g) ⇔ H2 (g) + I2 (g) Kc = 7.21 [H2] (g) = 1.20M [I2](g) = 1.70M. [HI] (g) = ?

Q: Copper and palladium electrodes were immersed in solution containing copper (II) and palladium (II) ...

A: In the Galvanic cell containing copper (II) and palladium (III) ions, the working electrode or the p...

Q: Adipic acid, H₂C₆H₈O₄, used to produce nylon, is made commercially by a following reaction between c...

A: Given, Chemical Reaction 2 C₆H₁₂ + 5 O₂ → 2 H₂C₆H₈O₄ + 2 H₂O Mass of C6H12 = 25.0 g Actual yield = 1...

Q: If the hydration ion concentration in a solution is 9.93 x 10^-3 mol/L, the pH is?

A: pH of the given hydration ion concentration has to be given. The given data contains, concentration ...

Q: A solution of H2SO4(aq) with a molal concentration of 1.66 ? has a density of 1.104 g/mL. What is th...

A: H2SO4 molality = 1.66 m ( Molality =   moles of substance / mass of solvent in Kg ) Moles of H2SO4 =...

Q: Assume that you list the following types of electromagnetic radiation in order of increasing wavelen...

A: Assume that you list the following types of electromagnetic radiation in order of increasing wavelen...

Q: Consider the hypothetical reaction A <=> 2B. A flask is charged with 0.75 atm of pure A, after...

A: The given data contains,   pure A =0.75 atm  partial pressure of A =0.36 atm.  

Q: What is the 2nd ionization energy level for an hydrogen atom in joules? Lütfen birini seçin: O a. -4...

A: The second ionization energy level for a hydrogen atom in joules hast to be given,  

Q: A gaseous mixture consists of 50.0% O2, 25.0% N2 and 25.0% Cle, by mass At standart temperature and ...

A: According to Dalton’s law of partial pressure, the partial vapor pressure of any liquid is directly ...

Q: Explain why bond angles of CCI4, OCI, are different although they both have tetrahedral geometry.

A: The central atom in the tetrahedral geometry is linked to four surrounding atoms. All of these are b...

Q: Which of the following will occur when solutions of Na,SO (aq) and CaCl,(aq) are mixed? I. A precipi...

A: Given that  the solution of Na2SO4 and CaCl2 are mixed.

Q: Ionic Bonds (p. 8-11) 1) An atom that loses one or more electrons from its outermost energy level be...

A: 5 questions based on ionic bonding concept, which are to be accomplished.

Q: A non-ionizing organic compound has an emprical formula CH20. A 1.13 g sample of this compound was d...

A: depression in freezing point ∆Tf = Kf * w2*1000 / M2*w1 Given Weight of the solute = w2 = 1.13g Weig...

Q: Provide the mechanisms for chlorination of toluene which include the initiation, propagation and ter...

A: The mechanism for the chlorination of toluene has to be given. The structure of toluene is given bel...

Q: A solution of a metal ion ?(??) 3+ is electrolyzed by a current of 5.00 A. After 10.0 minutes, 1.19 ...

A: Given: Current=5.00A mass of metal=1.19g time= 10 minutes= 600s. To find: Number of coulombs supplie...

Q: Specify the formal charge at each of the labeled atoms, a - c, in each of the following structures. ...

A:  

Q: Calculate AH for the process in which 10.0 mL of water is converted from liquid at 5.0 °C to vapor a...

A: The quantities which come across during the scientific studies are named as physical quantities. The...

Q: Explain the meaning of diamagnetic and paramagnetic. Give an example of an element that is diamagnet...

A: Explain diamagnetism and paramagnetism

Q: How would you draw the structural diagram for glucose?

A:

Q: Bupropion, sold under the trade name of Zyban, is an antidepressantthat was approved to aid smoking ...

A:

Q: AIPO4(s) + Mg(s) --> ? * Your answer Solid iron is placed in a solution of gold (II) nitrate.

A: The answer for first thee question is given below. Kindly post the other question as separate questi...

Q: Given the following percentage composition: 43.64% phosphorus and 56.36% oxygen; and molecular mass ...

A: The mass of P and O is 43.64 g and 56.36 g respectively. Assume that the total mass of the compound ...

Q: If the price of gasoline is $3.45/gallon, what is the price in pennies/liter?

A: The conversion used to do this problem is shown below: 1 gallon = 3785 mL =3.785 L1$=100 pennies

Q: Explain the observations listed below using the Kinetic Molecular Theory. (a) When a balloon is plac...

A: Hi, as you have posted multiple subparts in a single question and have not mentioned which subparts ...

Q: The structure shown below is an intermediate in the synthesis of which biogenic amine? Use arrows to...

A: Biogenic amines are natural bases with low atomic weight and are integrated by microbial, vegetable ...

Q: Decomposition of Baking Soda Lab Possible Decomposition Reactions: #1 sodium bicarbonate (s) sodium ...

A: Stoichiometry of a chemical reaction proves the quantity of the atoms is same on the both sides of t...

Q: How do you draw the structural diagram for fructose?

A: The cyclic structure of fructose is,                    

Q: Boron nitride reacts with iodine monofluoride in trichlorofluo- romethane at -30°C to produce pure n...

A: Given Chemical Reaction is  BN  +  3 IF  → NI3  +  BF3  from the above chemical reaction  1 mole BN ...

Q: e, show how you would synthesize the chloride, bromide, and iodide from the corresponding alcohol.  ...

A: Halo halides can be easily synthesized from alcohols.  

Q: An optical fiber uses flint glass clad with crown glass. What is the critical angle?

A:

Q: Find the [H2L*] concentration in a 0.005 M leucine hydrochloride aqueous solution (H2L* ). H2L", Ka,...

A: H2L+ will dissociate as: H2L+→HL+H+HL→L-+H+ Ka1 = 4.70×10-3 Ka2 = 1.80×10-10  

Q: Predict the products of the following reactions. di-n-butyl ether + Na metal

A: Ethers belong to class of O-containing organic compounds that can be considered as derivatives of al...