H3C H CH3

Q: The formula for freezing point depression is AT = %3D a. Kfm O b. K/ws/mol O c. w/Ws m O d. MW/kw

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Q: A 14.57 g sample of a compound contains 4.65 g of potassium, K, 4.22 g of chlorine, Cl, and oxygen, ...

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Q: 5. Assuming your solute has good solubility properties in your recrystallization solvent, what is a...

A: Every time it is not possible to attain 100% recovery in recrystallization. Sometimes some of the so...

Q: Caffeine (C8H10N4O2) is a neutral weak base and has a Kb= 4.1 x 10^-4. If you dissolve 85 mg in 5.00...

A: Given: Kb of Caffeine (Assuming B) is 4.1 × 10-4. Mass of B used = 85 mg = 0.085 g                  ...

Q: CS 10 s = 1 km = cm %3D 339 mm = cm 475 cg = 4758 dm = m %3D 5 hm = %3D

A: We have to convert the units to get appropriate number.  

Q: At 20°C, acetaminophen has a solubility of about 1.5 g/100 mL in water. If you recrystallize 5.00g o...

A: Given: Solubility of acetaminophen in water = 1.5 g/100 mL of water = 0.015 g/mL of water. Mass of a...

Q: How many molecules of pentanoic acid are in 3.20 moles of pentanoic acid? How many kilometers per ho...

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Q: CH3 CH3 CH3 Br2 + FeBr3 Br Br toluene o- Bromotoluene p- Bromotoluene Bromination of Toluene using B...

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Q: Dextran is an undesirable compound in sugar cane. They are produced by lactic acid bacteria from sol...

A: According to given statement as rate is directly proportional to amount converted,  so reaction foll...

Q: Using Dimensional Analysis show all work to calculate the mass of a solution prepared from 100 mL DI...

A: Mass of solution = mass of water + mass of NaCl  

Q: Convert the following from mg/L as Caco3 to mg/L as the ion or compounds. (*Answers in whole number ...

A: It's a multiple part question and according to the guidelines of Bartleby, we are supposed to answer...

Q: Calculate Ksp = () A2BO3 ->2A*+ BO32- Molar concentration of A* = Molar concentration of BO32- = 2 M...

A: We have to calculate the Ksp.  

Q: 5. What volume of 1.50 M NaOH must be added to 200.0 mL of 1.00 M glycolic acid (HC2H3O3) to produce...

A: Given : Concentration of NaOH = 1.50 M Concentration of glycolic acid = 1.00 M Volume of glycolic ac...

Q: Calculate the enthalpy of the reaction: CH4 (g) + O2 (g)  2H2O(g) + C(s)

A: We have to calculate the enthalpy of given reaction.  

Q: Balance the following equation in basic solution: CN-+ Mn04¯ CNO- + Mn0

A: Since you asked multiple questions so as per Q&A guidelines of portal I solve first question bec...

Q: Ie 18llowing table 1 (nm) Region of spectrum v (sor Hz) E () V 500 1.5 x 1014 9.94 x 10-19 100

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Q: How many valence electrons does the molecule NO2 have? 17 16 18 15

A: NO2 is known as nitrogen dioxide.   

Q: Equal moles of which of the following chemicals could be used to prepare a basic buffer solution ? a...

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Q: 1.What reagent is used as the indicator for the neutralization? a)citric acid b)sodium hydroxide ...

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Q: How many inches in 5.52 x 10 km? (39.37 in = 1 m) O 334 in O 217 in O 12.9 in O 869 in O 1.76 in O 4...

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Q: 2. Calculate the normality and molarity of as solution containing 26.8 g of sodium carbonate, Na2CO3...

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Q: Using the data in the table, calculate the rate constant of Trial [A] (M) [B] (M) Rate (M/s) this re...

A: The given reaction is as follows: A+B------>C+D The rate law expression of the following reaction...

Q: Part D. A 28.50 g sample of a compound of carbon, sulfur, hydrogen, and combusted (burned). 35.25 g ...

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Q: PRE-LAB QUESTIONS 1. Calculate the molarity of a 6.15% (w/v%) sodium hypochlorite (NAOCI) solution. ...

A: A question based on quantitative analysis, which is to be accomplished.

Q: This ether can be made using a Williamson ether synthesis. The possible bond disconnections are disp...

A: To find: The Williamson ether synthesis which will produce the higher yield.  

Q: Baeyer’s test Add a few drops of Baeyer’s Reagent to a test tube containing 0.5 mL of hexane. Baeye...

A: Baeyer’s reagent is prepared by dissolving potassium permanganate in water to make a 1% solution and...

Q: What is the most common oxidizing agent available in the atmosphere that can be used to generate fir...

A: To identify: the most common oxidizing agent available in the atmosphere that can be used to generat...

Q: 3. The following reaction has the equilibrium constant, K, = 5.7 x 10°. N28) + Ozg) 2 2NO(g) Calcula...

A: To solve this problem first we have to write the equilibrium constant expressions then we will find ...

Q: A 35.0 mL sample of a 0.110 M HBrO solution was titrated with 0.125 M KOH. The Ka for HBrO is 2.0 ×1...

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Q: For the following reaction, identify the Lewis acid and the Lewis base. Complete the reaction by add...

A: A lewis base is a lone-pair donor and a lewis acid is a lone pair acceptor.

Q: An old sample of cinnamaldehyde analyzed by TLC and visualized with a UV lamp. Explain why the conta...

A: In TLC depending on mobile phase mixture of compounds can be separated out on a same stationary phas...

Q: Next the student conducts two different runs: In RUN 1, 10.0 mL of 5.00 M NaOH is combined with 10.0...

A: We find the order of the reaction by the graphical method in which we have to plot 3 different graph...

Q: What are the different biological functions of nitric oxide (NO)?  How does NO affect how the drug n...

A: (1) There are following biological functions of nitric oxide (NO) -  (a) It acts as Molecular signal...

Q: What's the approximate bond angle of H20? 109.5 90 180 120

A: Water ( H2O ) has bent -shape ( V - shape) with sp3 hybridisation ( has two bond pairs and two lone ...

Q: Calculate mM of chemical in solution. 3 g NaCl in 3L solution. () mM

A: Given :-  mass of NaCl = 3g  volume of solution = 3L  To calculate :-  molar concentration of soluti...

Q: a) If 0.497g of iron metal was used for the experiment, how many moles of iron were reacted? b) If e...

A: Equation 1 and 2 are given  n (moles) = mass/molar mass 

Q: Which of the following statements is/are TRUE about the atomic mass unit of an element O It is the a...

A: Atomic mass unit (amu) is the masses of atoms, Molecules and all nuclear subatomic particles present...

Q: A solution of lead from a battery plant has a concentration of 3.65 x 10^-7 M. What is this concentr...

A: Molarity of a solution is defined as the number of moles of solute present in one litre solution. As...

Q: Estimate cryvstal structure type for CaF: ionic radii for Ca:0.1nm and F:0.133nm

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Q: Calculate the molality of a solution formed by adding 3.40 g NH4Cl to 17.5 g of water.

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Q: draw double-newman projection for 1. neopentane, 2. isobutyl bromide, 3. sec-butylcyclopentane, 4. t...

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Q: (Oxidation of Cyclohexanol

A:        By using oxidizing agents we convert ALCOHOL to Carbonyl  or Acid Compound.         In this o...

Q: CH3 H2SO4 (d) + SO3 NB. This combination of SO3 and H,SO, is called fuming sulfuric acid. Since SO; ...

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Q: 3) Write out the corresponding thermochemical equation for the reaction depicted by each of the foll...

A: a) The potential energy diagram given is,  

Q: cakulate the molkculan ОН R HO -Weight ? R O=C Where ( R) is : 376 CH2COOH CH2-N CH2COOH 3 = 1,C = 1...

A: Given atomic masses:  H=1  C=12 N=14 O=16 Cl=35.5 Na=23

Q: The vapor pressure of diethyl ether (ether) is 463.57 mm Hg at 25 °C. A nonvolatile, nonelectrolyte ...

A: Formula used  Xsolvent =  Psolution/ Psolvent  where Xsolvent = mole fraction of solvent  Psolution ...

Q: 4) Sodium hydroxide, NaOH, is the active ingredient in some brands of drain openers. A temperature i...

A: Molar enthalpy of dissolution is defined as the enthalpy change for the dissolution of 1 mole of a s...

Q: In a hydrochloric acid (HCl) molecule, the distance between the hydrogen atom and the chlorine atom ...

A: Given the distance between H and Cl = 1.27*10-10 m or 1.27 Ao mass of H, mH = 1 amu (not 2 amu) Note...

Q: How many centimeters in a millimeter? O 0.01 O 10* O 0.1 10 O 0.001 A10000

A: To Solve this problem we have to convert millimeters into centimeters  

Q: H2O2 is commonly used as a mild oxidizing agent. If you only need 1.50 x 104 mol H2O2 to run a react...

A: Given: Moles of H2O2 required = 1.50 × 10-4 mol. Density of H2O2 solution = 1.11 g/mL. And %(w/w) of...