Show, using dimensional analysis, how many quarters you should receive in exchange for 170 nickels.

Q: The pK value of crotonic acid is 4.7. If the H3O+ and crotonate ion concentrations are each 0.0030 a…

A: pKa = 4.7Crotonate ion concentration= 0.003MTo find undisaociated acid concentration.

Q: H3PO4 is a weak polyprotic acid with K₁ = 7.2x10³, K₂= 6.3x10^-8, and K3 = 4.2x10^-13. What is the…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: If compound U shows the same reaction time as carbon tetrachloride under identical GC/MS conditions,…

A: The objective of the question is to infer the properties of compound U based on its reaction time in…

Q: How many moles of potassium hydroxide would have to be added to 250 mL of a 0.492 M acetic acid…

A:

Q: Ⓡ Ⓡ

A: Reduction in sodium and NH3 solvent. Sodium is a metal whose work is to donate electrons amonia is a…

Q: It seems that either your starting amount is incorrect or one of your conversion factors has an…

A: Volume: 22.3gallon1 gallon = 3.785LDensity= 0.8206g/ml

Q: In each case below select the synthetic procedure that could be used to carry out the transformation…

A: Epoxidation followed by hydrolysis leads to trans diol compounds formed.OsO4 oxidation leads to cis…

Q: Draw the major addition product for this reaction. Do not include any byproducts formed. DCI (1…

A: It is a reaction of conjugated dienes with DCl.Formation of allylic cation will takes place and then…

Q: Draw the major products of the SN1 reaction shown below. Use a dash or wedge bond to indicate…

A:

Q: 8. Calculate the molality of a water solution is the Tip is -9.3°C. Kr 1.86°C/m for H₂O

A: Final freezing point is -9.3oC.KfO

Q: line bond drawing of [C6H5SO3]-  with all lone pairs and charges

A: To draw the asked structure we should know the valence electrons of sulphur and oxygen. We can…

Q: Select the correct name for each structure: CI CI CI 1) chlorocyclohexane 2) chlorobenzene 3)…

A: Nomenclature for Di- & polyfunctional aromatic compounds:The principal chain present in a…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 2 equivalents Li THF, -78 °C…

A: Given is an organic reaction.The given reaction is a synthesis of organolithium reagent.Determine…

Q: 5. Both technetium-99 and thallium-201 are used to image heart muscle in patients with suspected…

A: Given,Determine the percent of radioactivity.Radioactive decay, also known as nuclear decay or…

Q: Curved arrows are used to illustrate the flow of electrons. Use the reaction conditions provided and…

A: In the given reaction, a bromoalcohol is treated with NaH. We know that haloalcohols form epoxide…

Q: 6. Determine the molality of a water solution if the boiling temperature is 104.42°C.

A: 6). Given : Boiling temperature =

Q: Choose the solvent below that would show the smallest amount of freezing point depression when used…

A:

Q: Relative energies of reactants, intermediates and products in a chemical reaction are shown in the…

A: An energy profile diagram is used to study the energy of the transition states and intermediates…

Q: Draw the bond-line formula of the major product of the reaction below. + H₂

A: Hydrogenation of alkene with hydrogen gas typically involves the addition of hydrogen across the…

Q: Are there any sp2 carbon-hydrogen bonds in the following structure? ΘΥΝ

A: Hybridization can be calculated by summing the total Sigma bonds and lone pair present on the atom.

Q: A certain reaction has an activation energy of 62.0 kJ/mol and a frequency factor of A₁ = 1.00×10¹2…

A:

Q: The following titration curve can only correspond to one of those indicated. The 1st compound is the…

A: Titrant is one whose concentration is known and titrand is one whose concentration we need to…

Q: skeletal bond line drawing of 2-methylheptane

A: Answer:-This question is answered by using the simple concept of writing the structural formula of…

Q: What is the expected freezing point of a 0.50 m solution of Cs2CO3 in water? Kf for water is…

A: Molality of the solution = 0.50 mKf for water = 1.86°C/mFreezing point of solution (Tf(solution)) =…

Q: Gonzalez. The correct formula for sodium carbonate is O O.O..O Na₂CO3 S₂CO3 NaCO3 SCO3 Time Left:

A: The objective of the question is to identify the correct chemical formula for sodium carbonate among…

Q: 3. The vapor pressure over a solution of urea (CH4N2O) is 291.2 mm Hg (PA). The vapor pressure of…

A:

Q: 4. Draw the Lewis dot diagrams for the following molecules. If applicable, include formal charges…

A: We have been asked to draw Lewis structures of different molecule and we also have to show the…

Q: Draw a structural formula for the major organic product of the reaction shown. CH₂CH3 H₂C=C CH₂CH3 +…

A: Alkene gives an electrophilic addition reaction with hydrogen halide to form an alkyl halide.

Q: 11. A 100.00 mL sample of orange juice, which has been fortified with calcium is titrated with…

A: Molarity of EDTA = 0.02357MInitial burette reading: 0.15mlFinal burette reading: 15.23mlSince you…

Q: For a particular reaction at 298 K, Kp temperature (155 K), Kp = 1.690 × 10 - 5. The reaction is…

A: At 298 K, Kp = 3.445 x 10-3At 155 K, Kp = 1.690 x 10We have to find the enthalpy change of…

Q: Mothballs are composed primarily of the hydrocarbon naphthalene (C10H8). When 1.285 g of naphthalene…

A: We will first calculate the amount of heat absorbed by the calorimeter to raise its temperature from…

Q: 719.03 g 35.00 mL 708.4 mol 0.67 L 2.09476 mol L x 3.95 L H = 0 mL mol mol

A: Rule for significant digits in multiplication and division.The answer should have the same number of…

Q: Based on a grade 11 chemistry student, answer the following question: How many moles of S2are needed…

A: The objective of the question is to determine the number of moles of S2 required to produce 0.750…

Q: How many signals would you expect to find in the 13C NMR spectrum of the following compound?

A: The groups of carbon that are chemically non-equivalent give separate signals in the 13C NMR…

Q: The plot below shows the masses of product and reactant present in a reversible reaction as a…

A: We are given here a plot of mass vs time of a reversible reaction. We have to select the correct…

Q: Hydroquinone inhibits radical propagation by the radical addition reaction shown.

A: The bond cleavage method involved in the free radical mechanism is homolytic fission. In homolytic…

Q: 2. Find the difference in pH of vinegar with hydronium ion concentration of 2.5 x 10-10 mol/L and…

A: pH is given by: -log([H+O+])

Q: The decomposition of sulfuryl chloride (SO2CI2) is a first-order process. The rate constant for the…

A: We have decomposition of sulfuryl chloride SO2Cl2, rate constant k = 4.5x10-2 s-1temperature = 660…

Q: > Question 3 What are the hybridization and geometry of carbon in urea? O C. H₂N - 1 urea NH₂ A sp2…

A: We know that hybridization can be calculated by summing the total Sigma bonds and lone pair present…

Q: A14. Specific heat of Ni predicted using equation 4. Equation 4 is 1 cal = 4.184 J.15. Percent…

A: The objective of the question is to calculate the percent difference between the experimental and…

Q: Starting from the wedge-and-dash structure below, rotate the back carbon to provide the Newman…

A: Given compound is alkane.The least stable Newman conformation is eclipsed conformation.The dihedral…

Q: Determine the number of unpaired electrons in graund state carbon (atom number = 6)? Select one: O…

A:

Q: Draw an organic compound that fits each of the following criteria. Part 1 of 2 A cyclic alkene (an…

A: An alkene is unsaturated compound having at least one C=C double bond in it .

Q: 13™ C₂H4 NO, SO₂²-

A: FormulaValence ElectronsLewis StructureResonance(Y/N)Electron Group & Bond AnglesMolecular…

Q: A baker uses sodium hydrogen carbonate (baking soda) as the leavening agent in a banana-nut quick…

A: Answer:-This question is answered by using the simple concept of stoichiometry which involves the…

Q: sample composition pressure temperature D 2.2 mol Ne (g) 1.5 atm -40. °C E 2.2 mol Xe (g) 2.4 atm…

A: Given,There is one sample:Sample D, E, and F represent different compositions of compositions of Ne,…

Q: There are three isotopes of an element, X-28, X-29, and X- 30, with relative abundances of 92.2297%,…

A: The objective of the question is to determine the number of neutrons in an atom of silicon-30.

Q: 5.0 g of ammonium chloride (NH4CI) was added to 250.0 ml of water to cause the temperature to…

A: Given mass of ammonium chloride = 5.0 gThe volume of water = 250.0 mLThe initial temperature of…

Q: CH3CH₂ CH₂CH3 CH3 CH₂CH₂CH3 CH3 CHCH3 CH3

A: McLafferty rearrangement of monounsaturated molecular ion or radical ion with the cleavage of α,…

Q: Argon gas at 4.50 atm effuses through a pinhole at a rate of 3.55 mg/min. At what rate, in mg/min,…

A: The objective of this question is to find the rate at which methane gas would effuse through the…

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.