Minna wanted to recrystallize acetylsalicylic acid from aspirin. However, she found out that the solution contains 1,2-ethanediol impurities. What solvent can be mixed with water to enhance the purification? que OH acetylsalicylic acid O NaCl(aq) O Toluene O NaHCO3(aq) O Acetone

Q: What is the pH of 1.47e-5 M HBr?

A: Strong acid completely dissociate in aqueous medium to give H+ ion  pH= -log(H+)

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: we have to balance the given reaction and fill the boxes

Q: Mass of Aluminum 3.08 g Density of Aluminum 2.70 g/cm3 Volume of Aluminum Foil 1.14 cm3 Thickness of…

A: Mass of Al=3.08 gDensity of Al=2.70 gcm-3Volume of Al foil=1.14 cm3Thickness of Al…

Q: 12. Consider the reaction of nitric oxide with chlorine gas to yield NOCI. The rate law equation for…

A: The Answer to the following question is-

Q: Calculate the pH of the following solutions: A.     0.01 M NaOH…

A: We need to determine pH of given solution.    Note : Since there are multiple questions posted, as…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A: Given : Wt of precipitate (Silver chloride) = 0.750g Normality of silver nitrate = 0.105N  MW of…

Q: When 7Be undergoes electron capture, what is the daughter nuclide that forms? 4 O 11C 6 O 8B 5 O 3He…

A:

Q: Question 9 Which ion has +3 charge, 28 electrons, and an atomic mass of 70 amu? A 7231 Ga+3 B 7132…

A: Recall the given data of the following, charge=+3 no. of electron=28 atomic mass = 70 amu

Q: 31 P Si Ar Questions: 1. Which among these elements is the biggest? 14 18 40 15 2. Arrange the…

A: The given elements are Mg (Magnesium) , P (Phosphorus) , Si (Silicon) , Ar (Argon).

Q: Example: cis-C₂H₂Cl2 Consider the highlighted bond. If the bond is polar, click on the more…

A: The bonds between two atoms may be consider as polar bonds and non-polar bonds;  The non-polar bonds…

Q: Wt of precipitate (Silver chloride) MW of silver nitrate MW of silver chloride Meg silver nitrate…

A:

Q: Find the final concentration of ethanol as a percent (v/v) when 30 mL of ethanol 50 % (v/v), 60 mL…

A:

Q: The following chemical reaction takes place in aqueous solution:…

A: Recall the reaction, FeBr2(aq)+Na2S(aq)→FeS(s)+2NaBr(aq)

Q: 4 One mole of N2​O4​ is introduced into a constant pressure chamber at a temperature of 298.15 K and…

A:

Q: Complete these Brønsted-Lowry reactions. reaction 1: HPO+H+H₂PO Incorrect reaction 2: HPO+OH PO³ +…

A: Given,  The Bronsted- Lowry reactions of HPO4-2 , when it act as base and acid :

Q: Give the major organic product of the following reaction. CH CH₂ O ठं CH, CH CH, CH CH, CH F 1. SOC…

A: The given reactant is a carboxylic acid. General formula of carboxylic acid is RCOOH , where R is…

Q: Example: cis-C₂H₂Cl₂ Consider the highlighted bond. If the bond is polar, click on the more…

A: Relationship between Ionic character and electronegativity difference (∆EN): Ionic character of the…

Q: Draw structures for the two organic products formed in the following reaction. Upload a jpg image of…

A: LiAlH4 is strong reducing agent. It is less selective but more reactive reducing agent. LiAlH4 is…

Q: A sample of nickel carbonyl, Ni(CO)4, is placed in a vessel and allowed to reach equilibrium.…

A: Given, Ni(CO)4(g)  <---> Ni(s) + 4 CO(g) Reactant                            gaseous  product…

Q: : 20:28 : 20. Draw the full acetal formation scheme on your paper, and then draw in the curved…

A: Acetals are formed when excess alcohol( 2 equivalent) react with acetaldehyde. The complete…

Q: A solution has the mass% of 12.0% NaOH(aq).  Calculate the molarity of NaOH(aq). NaOH = 40.00…

A: Recall the data, mass % of NaOH =12.0% MM of NaOH = 40.00 g/mole Density of solution = 1.20 g/ mL…

Q: Calculate the percent dissociation of the acid in each of the following solutions a.  0.50 M acetic…

A:

Q: The purity of a pharmaceutical preparation of sulfanilamide, C6H4N2O2S, is determined by oxidizing…

A: Ans.

Q: Calculate [H₂0%), (OH-) and % jonization FOR a 79 in solution of AND₂ K: FOR H₂U₂ = 5.1 X107

A: Given the molarity of HNO2 = 0.79 M  HNO2(aq) is a weak monoprotic acid with Ka = 5.1*10-4

Q: What is the freezing point of a solution consisting of 0.500 moles glucose added to 295 g of water?…

A:

Q: What would the pH be after addition of 15.05 mL of 0.1000 M HCI to 25.00 mL of 0.1000 B (a weak…

A: we have to calculate the pH of solution

Q: and Liquid hexane (CH₂(CH₂) CH3) reacts with gaseous oxygen gas (O₂) to produce gaseous carbon…

A:

Q: To prepare a solution of NaCl, you weigh out 2.634 (+0.002) g and dissolve it in a volumetric flask…

A: Molarity = ( given mass / (molar mass * volume (mL) ) * 1000

Q: Given the reaction below, write the thermochemical equation showing the enthalpy of the…

A:

Q: Lewis Diagram for  (CH3)2CHCHCHOH

A:

Q: + CH3 "ІН

A: The pi molecular orbitals diagram of the given cation is as below

Q: What pressure is exerted by 780.4 g of CH4 in a 0.870 L steel container at 130.3 K?

A:

Q: Gaseous bulane(-3-2/2 ,CH3) will react with gaseous oxygen (0)) to produce gaseous carbon dioxide…

A: Balanced equation: 2C4H10 (g)  +   13O2 (g)  -------->   8CO2 (g)  +    10H2O (g) Number of mols…

Q: Question 12 of 19 > A gas-filled weather balloon has a volume of 50.0 L at ground level, where the…

A:

Q: Fifty milliliters of dextrose 70 % (w/v) is mixed with 250 mL of purified water. What is the final…

A:

Q: Complete the following reaction oto. vo -HCK(+

A: Due to the presence of a lone pair of electrons on the nitrogen atom of amine, the amines are basic…

Q: ALab Data Verify your calculation. In your set-up, do your units cancel? Did you report your data to…

A: From the given data we are going to change it in standard form then using ideal gas equation we are…

Q: H O 'N'

A:

Q: 10.33 Name the functional group in each of the following molecules: e. CH₂CH₂CH₂C=O a. CH3CH₂CH₂OH…

A: There are different groups for different functional groups-  aldehyde - RCHO ketone- RCOR'…

Q: Write a reaction equation for each of the following: Ag + Cu(NO3)2 Cu + Cu(NO3)2 Zn + Cu(NO3)2 Pb +…

A: The given reactions are examples of single displacement reactions, where a more reactive metal…

Q: A hospital worker mixes 6 fluid oz. of iodine 7.5 % (w/v) solution with 3 fluid oz. of iodine 10 %…

A: we have to calculate the final concentration of iodine

Q: or the reaction 2Mg(s) + Cu(NO3)2 (aq) -> Cu(s) + 2 MgNO3 (aq) write a net ionic equation, which…

A: write a net ionic equation, which reactant was oxidized, which reactant was reduced, which reactant…

Q: 4. Propose a mechanism, using curved arrow notation, to account for the formation of the following…

A: In the given reaction the alkyl iodide reacts with ethanol to give a substitution and elimination…

Q: Changing the concentration of which substance(s) would have the most effect on the rate of the…

A:

Q: BHO DIHADIO OT HOITOUCQuestions and Problems 62 Name the following using the IUPAC Nomen System: Cl…

A: First qe have to select longest carbon chain which includes main functional group.  Iupac…

Q: lodine chloride, ICI, can be made by the following reaction between iodine, 12, potassium iodate,…

A:

Q: Q1. How many sigma bonds and pi bonds are there in each of the following molecules? HH H- :ċi: :2:…

A: Molecule is made up of two or more than two atoms.

Q: Consider the following chemical reaction: MgO (s) + 2HCl(aq) ---------->MgCl2(aq) + H2O(l)  How…

A:

Q: QUESTION 16 What is required to make the molecule below using the Dieckmann cyclization? O O HyCo.…

A:

Q: Record all masses to the maximum number of sig figs 1. Mass of beaker 2. Mass of beaker + NaHCO3 3.…

A: Given , Mass of beaker = 109.600 g

Applications of Molecular Spectroscopy

When light sources pass through the diffraction grating then light splits into different wavelengths. The light source produces two types of patterns that are shown as destructive and non-destructive. The light source is in the form of quanta that is quantitation.