Concentration of the KSCN stock solution, M Volume of the KSCN stock solution, mL Initial molar concentration of SCN in a 50-ml flask, M PART A. Establishing the Beer's Law Coefficient: blank 0 0 0 solution 2 1.00×10-3 2.00 solution 3 1.00×10-3 5.00 solution 4 1.00×10-³ 10.00 solution 5 1.00×10-3 15.00

Q: How many mmol of NaOH   will react completely with 50. mL of 1.5  M  H2C2O4 ?

A: Molarity is defined as number of mole of solute divide by volume of solution in liter

Q: The following represents the effect of time on the concentration during a reaction. The upper line…

A:

Q: 10.The reaction of excess Grignard reagent with an ester of formic acid, HCO2R, gives  a. methanol.…

A: Option (d) i.e secondary alcohol is correct answer. The reaction of excess grignard reagent with an…

Q: Outline the best chemical reaction steps necessary including any suitable reagents and intermediate…

A:

Q: II. Rank the following compounds in order of increasing reactivity toward nucleophilic acyl…

A:

Q: Given the following information: Pb(s) + PbO2(s) + 2H2SO4(l) ---> 2PbSO4(s) + 2H2O (l)…

A:

Q: What set of reagents would be needed to perform the following reaction? OH ? 8 ÷ 8 Only 1) Hg(OAc)2,…

A:

Q: So, how many species in total?

A: To solve this problem we have to know about the species of the given compound

Q: calculate the Wavelength in nm of the red light emitted by a neon sign. with a frequency of 4.84 ×…

A:

Q: Calculate DU for the following reaction at 1 atm and 25oC:                         CH4 (g)  + I2…

A: ∆H = ∆U + ∆n(g)RT  ∆n(g) = moles of gaseous products - moles of gaseous reactants R = Gas constant T…

Q: Using the concentrations found in the experiment for the iron cation and thiocyanate anion determine…

A: Given,[FeSCN]=1.71ml [SCN]=4.00ml [Fe]=0.339 Kc = [FeSCN ]/ [Fe ][SCN ] Kc = 1.71/0.339 *4 Kc =…

Q: Indicate whether each of the following pairs represent structural isomers or the same molecule. Drag…

A: Structural isomers: The molecules with same molecular formula with different connectivity of atoms…

Q: Draw the major organic product of the following reaction. + ZI H H

A: Carbonyl compounds react with primary amines to form imines.  Carbonyl compounds react with…

Q: Determine the amount of heat (in kJ) associated with the production of 5.91 x 10 g of ammonia…

A:

Q: Part 1 of 2 Calculate the standard enthalpy of neutralization of HF (aq): HF (aq) + OH (aq) → F (aq)…

A: Answer-2 Enthalpy of reaction is an extensive property, so it can be added or subtracted the way…

Q: 1.1 Use electronic factors (resonance and inductive effects) to compare the acidity of the following…

A:

Q: Which one of the following salts will for an acidic solution upon dissolving in water? ONH4NO3 KI…

A: Here, we have to find the salt that will form an acidic solution upon dissolving in water.

Q: Choose the correct ordering of these elements based upon electronegativity.             Al…

A: The electronegativity of an element is the ability of its atoms to attract electrons in a chemical…

Q: chemist must prepare 200.0 mL of nitric acid solution with a pH of 1.20 at 25 °C. e will do this in…

A: Given that: The volume of nitric acid, V1 = 200 mL pH = 1.20 molarity of nitric acid, stock…

Q: Br C=N

A: The given molecule synthesized in five step with different type of reagent which is shown in below-

Q: QUESTION 2 Mass of Volumetric Flask: 65.6734 Temperature of Water: 23.6 °C Density of Water Sample #…

A:

Q: closed system initially containing 1.000 x 10-³ M H₂ and 2.000 x 10-³ M I₂ at 448 °C can reach…

A: Kc is equilibrium constant and it is equal to concentration of product divide by concentration of…

Q: Identify an acetone. O O O || CH3-C-CH2CH3 CH3-C-OH CH3-C-CH3 O CH3-C-H CH3-0-C-CH3

A:

Q: Draw the structures of all the alkenes that can be formed by dehydrohalogenation of…

A:

Q: Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the following pH value. (Assume that…

A: It is based on the concept of buffer solution. Here we are required to find the ratio of…

Q: 1.Determine the density of a 16.25 g sample of stone that displaces 5.0 mL of water.

A:

Q: f 2 mol of neon (assumed ideal) is heated from 0 °C to 250 °C at a constant pressure of 1 bar,…

A:

Q: Which of the following are nonpolar bonds? A) I - I B) Na - F C) C - O D) K - Cl E) O - O F) N - O…

A: Given that, Bonding between homoatoms and heteroatoms are given.We have to identify the nonpolar…

Q: 1 If the H3O* ion concentration in an aqueous solution at 25 °C has a value of 2.86 x 10-8 M, what…

A:

Q: ab: 1) A 5.89 gram sample of vinegar is titrated with 0.100M NaOH. If the initial buret reading is…

A: As per Bartleby’s guidelines I can answer first question only. The initial and final burel readings…

Q: A chemist dissolves 134. mg of pure sodium hydroxide in enough water to make up 170. mL of solution.…

A: Answer: pH tells us about the power of hydrogen ion concentration and its value is equal to the…

Q: 4. If I add the following will the system shifts forward, backward or remains the same? Ag₂CrO4(s) =…

A: According to the Le Chatelier's principle, "when a stress (change in concentration temperature and…

Q: Which of the following aqueous solutions are good buffer systems? (Select all that apply.) 0.36 M…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base . it…

Q: Utilizing an acetal protecting group, suggest a synthesis scheme for the following conversion. Draw…

A:

Q: A piece of brass with mass of 1750 g is heated. The brass is dropped into a 250.0g aluminum…

A:

Q: H₂C-C=CH CH,CH,MgC1 diethyl ether 1) 2) H₂O

A:

Q: Which of the following describes a situation in which it can be safely assumed that the equilibrium…

A:

Q: Determine E°cell for the following reaction and indicate whether the overall reaction would take…

A:

Q: Rank the alkyl halides in the order of increasing E2 reactivity. CI CI Increasing E2 reactivity Br

A: Given the order of increasing E2 reactivity  of the above alkyl halide is given below

Q: The chemical formulae of some acids are listed in the first column of the table below, and in the…

A: Strong Acids are the compounds which dissociates completely and give H+ ion in water. HA + H2O → H+…

Q: mist dissolves 744. mg of pure hydrochloric acid in enough water to make up 250. mL of solution.…

A: HCl is strong acid it dissociated fully in aqueous solution

Q: Which is a better solvent for biphenyl and why: ethanol or acetone?

A: Biphenyl  is a non polar molecule , which means that it is not soluble in polar solvents such as…

Q: A 40.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A: According to thermodynamics, the heat released by the hot metal equals the heat absorbed by the…

Q: A 40.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

A:

Q: 11. There are two possible nucleophile elimination products for the molecule below. Give these…

A:

Q: 12. The two following species can react via an electrophile elimination step. Draw the mechanism…

A:

Q: 8. In the following reaction, identify all electron-rich and electron-poor sites in the starting…

A:

Q: Question 4 Calculate the frequency of the light emitted by a hydrogen atom during a transition of…

A: Please find your solution below : Planck's equation is an expression used to calculate energy of a…

Q: 40mL of 0.100 M NaH2AsO4 is titrated with 0.100 M NaOH Ka1=5.0x10-3 Ka2=1.1x10-7 Ka3=3.2x10-12…

A: Titration is a method of analysts in which unknown volume or concentration of one compound is…

Q: (v) O CH3 NaBH4 CH3OH

A: NaBH4 is less reactive but more selective reducing agent than LiAlH4. It selectively reduces some…