[3] The following Figure is the electrocapillary curves (A) and differential capacitance curves (B) for mercury in contact with 0.5 M Na₂SO4 in the presence and absence of n-heptanol. (A) Na SO, AL Na,SO, C,H,OH 10 dynes/cm 440 420- 400 360 340- يلا Na₂SO, Na SO C,H, OH
Q: 1. Draw the following molecules given their IUPAC name. a) 3-Methylheptane b)…
A: The objective of the question is to draw the given molecules.
Q: The coupling constant, J, between the protons of chloroethane is 7 Hz when the spectrum is obtained…
A: The objective of the question is to find the coupling constant, J, between the protons of…
Q: interpret and understand the concept of heat capacity and enthalpy as it pertains to this data and…
A: The amount of heat that is required to raise the temperature of the 1-mole substance by 1oC is…
Q: A hypothetical molecule, X-Y, has a dipole moment of 1.01 D and a bond length of 155 pm. Calculate…
A: % of ionic character = (observed dipole moment/calculated dipole moment)×100%Calculated dipole…
Q: i A topic I had difficulty understanding was Stereochemistry of SN2 Reactions. Br Complete the…
A: We have to complete the given SN2. reactions with assigned stereochemistry.
Q: What are the signs of ΔH,ΔS,ΔG when CO2 (dry ice) sublimes to a gas at room temperature and 1 atm…
A: Given A Dry ice sublimes to a gas at room temperature and 1 atm pressure. The temperature of dry ice…
Q: Draw the major organic product(s) of the following reaction. Br + NaSCH3 acetonitrile • You do not…
A: As we see that here the reactant is a secondary alkyl halide . NaSCH3 is a very weak base, because…
Q: In an X-ray diffraction experiment on NaCl, diamond and CsCl the following results was determined as…
A: The objective of this question is to show the Bragg angle (θ) was measured at different locations,…
Q: ||| CHEMICAL BONDING Predicting bond angles in a small organic molecule What are the angles a and b…
A: Lewis structure is a method of representing bonding pattern in a molecule.It tells us how different…
Q: Is the following a saturated or unsaturated fatty acid? HO Saturated unsaturated
A: fatty acid containing double bonds is called as unsaturated fatty acid.fatty acid containing no…
Q: EX4. (a) In a beaker is dumped 0.23M Fe+2, 2g Fe(s), 0.45M Mn¹2, 0.78M MnO4¹, 0.35M Ce+3, and 0.29M…
A: The aim of this question is to explain standard reduction potentials for a species and with…
Q: Ten grams of soil were displaced with 250 mL of 1 M ammonium acetate and made to a final volume of 1…
A: The aim of this question is to explain the estimated exchangeable cations in meq/100 g…
Q: for each structure in the figure aissign the number of CO stretching signal observable with IR based…
A: The objective of this question is to explain the streching vibration peak present in complex. The…
Q: Complete and balance the following redox reaction in basic solution MnO4 (aq) + C₂O4²-(aq) → MnO₂…
A: Oxidation is defined as an increase in the oxidation state of the element.It can also be defined as…
Q: GiventhatthechangeinGibbsfreeenergyforthehydrolysisofATPcorresponds to ∆rGm = −31 kJ mol-1 under the…
A: The hydrolysis of ATP (adenosine triphosphate) is a chemical reaction in which ATP is broken down…
Q: %₂ ++ # # A) a (2s orbitals) B) a (2pz orbitals) C) TT (2px and 2py) D) T* (2px and 2py) E) o* (2pz)
A: We are given a molecular orbital diagram of O2We have to answer the LUMO in Molecular orbital…
Q: 12. Draw the condensed structural formula of the following organic molecules (a) 2-ethylpropane (b)…
A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…
Q: 5. (a) (b) Answer ALL parts. Predict the product(s) and provide a mechanism for the following…
A: The objective of the question is to predict the products and provide a mechanism for the given…
Q: Calculate the equilibrium temperature to have 10% of degree of ionization for cesium, argon and…
A: The objective of this question is to show the the equilibrium temperature to have % of degree of…
Q: Which of the following statements regarding aldehydes and ketones is/are true? Select one or more: 0…
A: The general structures for aldehydes and ketones are:
Q: The answer is E. Please explain. Thanks.
A: The objective of this question is to determine the mass of silver that will be produced in the…
Q: Calculate B₂ for Ag(CN)₂ if the following cell develops a potential of +0.600 V. The pK₂ of HCN is…
A: The aim of this question is to explain silver metal is immersed in a solution containing silver…
Q: e Now consider the oxidation half-reaction. Enter the number of electrons needed to balance this…
A: The objective of the question is to determine the number of electrons needed to balance the…
Q: Show the Mechanism and prouduct SH 1- Na H 2- Ph ph B
A: The OH proton of phenol is removed by strong bases like NaH to produce phenoxide ion which acts as a…
Q: Relative intensity 100 50 15 mvz 20 41 40 57 60 68 81 80 85 100 OH X 1943. 120
A: The objective of this question is to show the mass spectrum peak present in the spectrum. The mass…
Q: (B) Calculate the Madelung Constant for a negative ion in a 2-dimensional Hexagonal lattice (shown…
A: The objective of this question is to show the Madelung constant whicb quantifies the electrostatic…
Q: The dissociation of molecular iodine into iodine atoms is represented as 1₂(g) = 21 (g) -5 At 1000.0…
A: The objective of this question is to find the equilibrium concentrations of I2 and I in a chemical…
Q: Give the standard line notation for each cell. (a) 2 103¯¯(aq) + 10 Cr²+ (aq) + 10 H+ (aq) ⇒ 10 Cr³+…
A: Standard line notation : It is the representation of a electrochemical cell in a simplified way.…
Q: pentanol: 34.13 2,3-dimethyl-2-butanol: 44.06 If the concentration of pentanol in the unknown…
A: The objective of the question is to calculate the-The Response Factor.The area for .The area for…
Q: Given: A: y = 0.0987x+4*(-5) B: y = 0.0514x +0.0011 from a plot of absorbance versus concentration…
A: The objective is to evaluate the selectivity coefficient between A and B. Given Data:For absorbance…
Q: Fluorite (CaF2) has a face centered cubic structure, space group 225, with network parameter equal…
A: The objective of this question is to show the structure involves calcium ions at the 4a(0,0,0) site…
Q: When the Pb²+ concentration is 5.35×10-4 M, the observed cell potential at 298K for an…
A: The objective of the question is to find the concentration of Al³⁺ in an electrochemical cell…
Q: Determine the temperature at which the redox couples given below are in equilibrium considering that…
A: The aim of this question is to explain the Nernst equation relates the standard electrode potential…
Q: A novel form of uranium oxide (U3Og, density 8.5) is being considered for use as fuel for a research…
A: The main aim of this question is to determine the mass fraction of 235U, the mean free path of…
Q: 8. Show the products of the following enamine reactions. H&CNCHs 1. H₂C.-CH₂ 1. H 2. H₂0+ H₂C-N-CH3…
A: The question is based on organic reactions.We need to identify the product and explain its…
Q: 15. What products are formed from treatment of the enolate shown with the following substrates? ONa+…
A: Enolates are oxyallyl anions reagents that are used to make the substituted carbonyl compounds. The…
Q: Which of the following Newman projection matches the wedge-dash structures below (in the SAME…
A: Correct Newman projection are as follows.
Q: Compound W, C8H17Br, and X, C8H17CI, are products of the radical bromination (W), and chlorination…
A: Chiral compound indicates it should be optical active and it possess chirality.According the given…
Q: 3. Examine these cyclic and acyclic forms of the monosaccharide glucose: Comment on the equilibria…
A: The objective of this question is to explain the cyclic and acylic form of monosaccharides glucose.…
Q: preser Ca(NO3)2 is dissolved in water?
A: Option 3rd is the correct answer
Q: Which one of the H-C bonds indicated would have the lowest bond dissociation energy? OH-CH3 O…
A: The aim of this question is to explain bond dissoicton energy is the energy required to break a…
Q: Draw a structural formula for the substitution product of the reaction shown A H3C- H3C H Br + Na…
A: When the existing nucleophile is replaced by an incoming nucleophile, it is called a nucleophilic…
Q: Question 3. Use the relation A = U - TS to show that: as C₁ = T(F),
A: The objective is to derive, using the given equation, .The provided equation is Helmholtz free…
Q: % T Analyst Date 101.9 101.0 100.5 101.5 -100.0 99.0 98.5 99.5- 98.1+ 4000 3500 3000 University of…
A: The main aim of this question is to show the streching vibration peak present in the spectrum. The…
Q: Calculate the pH of the cathode compartment for the following reaction given Cell -3.01 V when [C++]…
A: The objective of the question is to determine the pH.It is given that,The cell potential is .
Q: 7. Which of the following technologies are considered non-renewable energy sources? Choose ALL that…
A: The phenomenon of electrons occupying orbitals at the same energy sublevel singly before any orbital…
Q: A 1 liter solution contains 0.242 M hydrofluoric acid and 0.322 M sodium fluoride. Addition of 0.266…
A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…
Q: What is the best reagent for the following reaction? Br₂, hv PBr3 ? Br
A: An allylic carbon is a carbon atom that is directly bonded to a carbon atom that is part of an allyl…
Q: 1.Draw a cis peptide bond and identify the groups that experience steric interference. 2. Calculate…
A: The question required the figure of cis-peptide bond and identify the groups that have steric…
Q: If you measure DO to be 14.304 mg/L at 3 deg. C and your multiprobe says that the atmospheric…
A: The aim of this question is to explain the measured DO is 14,304 mg/L at 3 °C, 760 mm Hg atmospheric…
Step by step
Solved in 6 steps with 1 images
- Solutions of three electrolytes have the same ionic strength and different dielectric constants as 4, 25 and 81 and expected temperature is 225 K, 256 K and 298 K. The corresponding relative magnitude of Debye-Huckel screening lengths of the three solutions are: (a) 60, 400 and 1377(b) 30, 80 and 155(c) 15/2, 16/5, and 17/9[(2.26 x 106) = 44.343] + 130.14 VG ΑΣΦΑΦ Submit hel CO micr HTC ΚΑΛΗΣΠΕΡ Εγκατ ACTI Birtugus Answer ?What is the strength of the ionic interactions between an ion with 1 positive charges and an ion with 2 negative charges, when the distance between them is 19.4 nanometers and the solvent is water, at 25 oC with a dielectric constant of 78.5?
- draw and sketch a group for action poyential polarization phases with membrane potential vm in milivoltsHow to c alculate the Debye length of the double electric layer near the charged surface in KCl solutions of two concentrations c1 =0.01 M and c2= 0.1 M.Assume T= 300K, = 80, k = 1.38 ·10-23 J/K, o = 8.85 · 10-12 CV-1m-1Calculate the Debye length (1/k) of the double electric layer near the charged surface in KCl solutions of two concentrations c1 =0.01 M and c2= 0.1 M.
- What is the strength of the ionic interactions between an ion with 1 positive charges and an ion with 2 negative charges, when the distance between them is 32.5 nanometers and the solvent is water, at 25 oC with a dielectric constant of 78.5? Calculate answer to 7 decimal places.specify units in the answer. Thank you very much for your assistance.3.) The following Beer's Law calibration plot was collected at 391.9 nm using the five mixtures listed above. The trendline equation was y = 4617.1x. A saturated solution of lead(II) chromate had an absorbance of 0.0025. Calculate its solubility, in molarity. Molar Solubility of PbCrO4: x 107 M ABSORBANCE VS CHROMATE CONCENTRATION AT 391.9 NM 1.40 1.20 y = 4617.1x R-0.9972 1.00 0.80 0.60 0.40 0.20 0.00 C 0.00005 0.0001 0.00015 0.0002 0.00025 0.0003 Chromate concentration (mol.L)Calculate the Debye length (1/k) of the double electric layer near the charged surface in KCl solutions of two concentrations c1 =0.01 M and c2= 0.1 M. Assume T= 300K, e = 80, k = 1.38 ·10-23 J/K, eo = 8.85 · 10-12 CV-1m-1 Tip: express concentrations as numbers of particles per liter (molarity×NA/L)
- The conductivity of 0.20 M solution of KCl at 298 K is 0.025 S cm-1. Calculate its molar conductivity.Using the Beer's Law plots constructed for TZ and AR at 430 and 480 nm (including the one you previously constructed for Part III), please report the respective effective molar absorptivities (ε∗,L/μmolε∗,L/μmol), which is represented the slope of the linear trendline through the data on each plot. Unrounded Rounded TZ Effective Molar Absorptivity at 430, ε∗(L/μmol)ε∗(L/μmol) 0.0259825 0.0260 TZ Effective Molar Absorptivity at 480, ε∗(L/μmol)ε∗(L/μmol) AR Effective Molar Absorptivity at 430 nm, ε∗(L/μmol)ε∗(L/μmol) AR Effective Molar Absorptivity at 480 nm, ε∗(L/μmol)ε∗(L/μmol) Heres the data For Tz TZ # Concentration Absorbance at 430 nmnm Absorbance at 480 nmnm 1 33.6480 0.931 0.283 2 25.2360 0.757 0.222 3 16.8420 0.210 0.115 4 8.41200 0.137 0.075 5 4.20600 0.122 0.020 Data for AR: AR # Concentration Absorbance at 430 nmnm Absorbance at 480 nmnm 1 21.3500 0.349 0.563 2 17.0984 0.297 0.355 3 5.12953 0.160 0.297 4 1.02591…units of slope: m = M-! Report the y-intercept, b, of the plot and its units. units of y-intercept: b = * TOOLS unitless y x10 Use the plot to determine the molar absorptivity, e, of molecule X at this wavelength and its units. units of molar absorptivity: € =