Which of the phase boundaries shown below would have the largest (by far) junction potential, by absolute value? Выберите один ответ: O a. 0.1 M LICI I 0.1M KCI O b. 0.1M NaCl 10.1M KCI OC. 1 M NaCI I 1M NaNO3 Od. 1M NaCl I 3.5 M KCI O e. 0.1 M HCI I 0.1M KCI
Q: Which of the following cycloalkanes are capable of geometric (cis-trans) isomerism? Draw the cis and…
A: Given : name of compounds Tip : cis : groups are on same side. trans : groups are on…
Q: PROBLEM 3-8 Draw the structures of the following compounds. (a) 4-(1,1-dimethylethyl)octane (c)…
A: -> for structure first of all draw root word carbon chain -> Then draw substitutents at…
Q: N₂(g) + hv→ N₂(g) + e¯ 1. What is the maximum wavelength of a photon needed to ionize N₂ if the…
A: Maximum wavelength is calculated by planck's equation
Q: Draw the starting structure that would lead to this polymer underradical conditions. Please explain…
A: A polymer is a large molecule that is formed by the repetition of small units called a monomer, and…
Q: 1. 2. H₂C H Br CH₂ Submit Answer + HO H₂SO4 130⁰ a = Proton transfer b = Lewis acid/base c = Radical…
A: The two given reactions are explained below with their mechanism
Q: b. Electron acceptor: Number of electrons transferred: W R₁ -C-CH3 + 3HOCI Electron acceptor: Number…
A: Here we have to predict the elctron donor and acceptor species and number of electron transferred…
Q: Name the following compounds: 16. 17. 18. 19. O H-C-CH2-CH2-CH-CH3 0 H₂C-C-OH NH₂ OH CH₂ CH₂CH₂CHCH,…
A:
Q: Determine E° for a galvanic (voltaic) cell if ∆G° = -3.9 kJ/mol and n = 3. (F = 96,500 J/(V・mol))
A: Given- ∆G°= -3.9kJ/mol = -3900 J/mole (1KJ = 1000J) n=3 F=96500 J/(V.mol)
Q: Question: The values of Kw as a function of temperature are as follows: H'| pH What is the lowest pH…
A: #(a) and #(b): The equation for the hydrolysis of H2O is: H2O(l) → H+(aq) + OH-(aq) ; Kw
Q: 1. Besides NaBH4, H₂/Pt and LiAlH4 are also intensively used as reducing agents, Can H₂/Pt or LiAlH4…
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Provide a detailed, stepwise mechanism for the acid-catalyzed condensation reaction between…
A:
Q: A standard stock solution is diluted to generate three working standard solutions containing ethyl…
A: Given: Concentration of Analyte (Ethyl Acetate) = 50 ppm, 400 ppm, 800 ppm Concentration of Internal…
Q: 9) Determine the molar solubility of Cd(OH)2 in pure water. Ksp for Cd(OH)2 =2.5 × 10-14. A) 1.84 x…
A:
Q: Complete this table for different amine compounds. Chemical propylamine quaternary ammonium ion…
A: Amines are classified according to the number of carbon atoms bonded directly to the nitrogen atom.…
Q: Complete the table below based on the given unit cell models given: SC FCC BCC a = edge length a=2r…
A:
Q: 2. Determine the best set of reagent(s) necessary to perform the following reaction. a) HBr, ROOR b)…
A: Alkyne are unsaturated compounds containing carbon-carbon triple bond. Due to unsaturation it shows…
Q: Find the ph of a) 0.100M HCIO and 0.100M NaCIO
A:
Q: Which of the following alkenes will yield a meso dihalide when reacted with Br₂/CCl4 at room…
A:
Q: What is the degree of substitution of the following alkene? tetrasubstituted B disubstituted с…
A:
Q: On reaction with hydrogen chloride, one of the trimethylcyclohexanols shown gives a single product,…
A: The SN1 reaction mechanism is a sequential process in which the carbocation is first created by the…
Q: 1. Design a synthesis for the molecule below. Use the following questions to guide your synthesis.…
A: Well, using various ways we can prepare the given compound. We will proceed with elimination…
Q: In each pair of compounds, which compound has the higher boiling point? Explain your reasoning. (a)…
A: Among the alkanes with the same chemical formula and molecular weight molecules with less branching…
Q: 1. Design a synthesis for the molecule below. Use the following questions to guide your synthesis.…
A: In the given product an alkene functional group is present. An alkene can be formed by an alkyl…
Q: Given that Californium-252 has a spontaneous fission (s.f) branching ratio of 3.092%, with the…
A:
Q: TABLE 22.1 Standard Solutions for FeNCS2+ Ion Beer-Lambert Plot Solution 1 2 3 4 5 6 mL of 2.00×10¹…
A:
Q: b) Consider the reaction Zn(s) + H₂SO4 (aq)→ ZnSO4(aq) + H₂(g). What is the minimum volume (in…
A:
Q: Aqueous sulfurous acid (H₂SO3) decomposes into sulfur dioxide gas and liquid water. Write a balanced…
A:
Q: 2. A 4.626 milligram sample of a hydrocarbon, upon combustion in a combustion analysis apparatus,…
A:
Q: a student weighed a piece of filter paper as 0.371g and then filtered the precipatate from a…
A: Percent of a reaction can be calculated by using the formula : percent yield of a reaction…
Q: Heat is applied to 50g of water (specific heat of 4.18J/°C) at 25°C. The temperature of the water…
A: Since you have asked multiple type questions, we will solve only first questions for you. If you…
Q: Me Me OH
A: -> If carbocation formed is stable after removing leaving group then it proceeds through SN1…
Q: Which of the following species is amphoteric, i.e., both an acid and a base?
A: Some substances have the ability to both accept and donate protons, which are known as amphoteric or…
Q: Name the following compounds: 6. 7. 8. 9. 10. CH₂-CH₂ HỌC-C-CH, CH CH3 CI CI Br-CH-CH-CH₂…
A: All the compounds given are hydrocarbons except the second one having single, double, and triple…
Q: I am still having trouble interpreting HNMR , I labeled the peaks A-d, can someone identify how each…
A: 1HNMR:- 1HNMR is the Nuclear Resonance Magnetic Spectroscopy used for the determination of the…
Q: 3. Synthesis: Place reagents in each box below that would produce each product shown in the highest…
A: -> alcohol reacts with TsOH and form -OTs leaving group. -> From elimination reaction…
Q: Check the box under each L-hexose. If there are none, check the None of the above box under the…
A:
Q: What change will be caused by addition of a small amount of Ba(OH)2 to a buffer solution containing…
A: Here, we have to find the change that will occur when a small amount of Ba(OH)2 is added to a buffer…
Q: Time Remaining: 01:45:23 You mix 21 mL of 0.080 M hydrogen cyanide (HCN), Ka = 4.0x10-10, with 8.4…
A:
Q: Calculate the pH of a solution that contains [H3O+] = 6.58 x 10-5 M.
A:
Q: OH PCC CH₂Cl₂
A: Answer:- This question is answered by using the simple concept of chemical reactions of organic…
Q: Postlab Question 7.4 Homework Unanswered Which is soluble when hot water is added and why? AgCl(s),…
A: PbCl2 which is known as lead chloride is more soluble in the hot water. The reaction is written as…
Q: Below are the structures for trans-1-chloro-2-t-butylcyclohexane and cis-1-…
A:
Q: What Is the molecular formula of compound E?
A: Given : structure of molecule Tip : coun atoms
Q: A 25.00 mL sample of an unknown base was titrated with 13.50 ml of 1.500 M HCl. What was the…
A: Recall the data, Acid- M1=1.500 M V1=13.50 mL Unknown base- M2= ? V2=25.00 ml
Q: 5. Give the structures of the products expected from dehydration of the alcohol below. In cases of…
A: Here we are required to predict the major product for the dehydration reaction.
Q: Classify each statement about effective nuclear charge, Zeff, as true or false. True Across a…
A: The effective nuclear charge (Zeff): It is the net positive charge experienced by an electron in a…
Q: 3. Which one of the following will form a basic solution in water? B) Lithium Cyanide A) Sodium…
A: 3.) The solution of given salts would be basic if it is made from strong base and weak acid. So we…
Q: Determine ∆G° for a reaction when ∆G = -132.0 kJ/mol and Q = 0.043 at 298 K. (R = 8.314 J/mol ・ K)
A:
Q: How many isomers are possible for the octahedral coordination complex [Cr(NO) 3 (CI) 3]³+?
A:
Q: What is the lowest pH obtained? Use the data in the table to answer the following questions (a)…
A: #(a) & #(b): The equation for the hydrolysis of H2O is: H2O(l) → H+(aq) + OH-(aq) ; Kw =…
Step by step
Solved in 2 steps
- Calculate the equilibrium electrical membrane potentials corresponding to the following extracellular and intracellular concentrations of ions at 20 °C. Assume permeability of the 2+ membrane for one type of ion only (e.g. K* for V, Ca for V and H for V) K' Са lonic Species Intracellular Extracellular Equilibrium Potential Potassium (K ) 150 mM 4 mM V, = ?mV K 2+ Calcium (Ca) 2 mM V = ? mV 70 nM %3D Са Hydrogen ion (proton, H) pH 7.2 pH 7.4 V, = ? mVThe conductivity of a 0.0312 M solution of a weak base is 1.53 x 104 Scm'. If the sum of the limiting ionic conductances for BH* and OH-' is 237.0 Scm²mol·' what is the value of the base constant K6? 4.5 x 10s mol.dm (i) 2.3 x 103 mol.dm (iii) 2.89 x 10 mol.dm3 (ii) 1.37 x 10-5 mol.dm3 (iv) (v) 4.78 x 103 mol.dm315. The mobility of a NO3 ion in aqueous solution is 7.40 x 108 m² V s¹ at 25°C. The potential difference between two electrodes placed in the solution is 4.00 V. If the electrodes are 5.00 mm apart, what is the drift speed of the ion? a) 59.2 µm sl b) 5.21 um s c) 34.7 μm s¹ d) 17.3 µm s¹¹
- Using the following formula, calculate the electrical and chemical potentials for calcium ions across a cell membrane when the internal concentration of calcium ions is 0.002 mM and the external concentration is 0.0024 Mand the membrane potential is -60 mV. R= 8.314 J K mol1: F=96,485 JV1 mol1:T = 37° C. ApCa = RT In ([Ca"Jin/[Ca"]out) + ZFAY Feel free to work the problem on a scrap sheet, and then fill in the answers to the questions below. Express your answers to the nearest tenth of a unit. The chemical potential of calcium ions is kJ/mol. The electrical potential of calcium ions is kJ/mol. The electrochemical potential of calcium ions is kJ/mol.28 Calculate standard electrode potential and Gibbs free energy of the cell: Ga | Ga³+ || Ag* | Ag a. b. C. d. 1.23 V; -285 kJ 1.43 V; -365 kJ 1.33 V; -385 kJ 1.53 V; -265 kJ116.In a conductivity cell of a cell constant 0.003 cm³¹ concentration of 0.01 M solution of acetic acid, the resistance against ionic mobility is 20 ohm at 25 °C. the degree of dissociation of the acid is (where the molar conductance at infinite dilution = 390 x 104 2¹¹ m² mol¹ at 25° C) a) 0.015 b) 0.027 c) 0.038 d) 0.047
- The density of the fat tristearin is 0.95 g/ml. Calculate the change in chemical potential of tristearin when a deep-sea creature is brought to the surface (Psurface = 1.00 atm) from a depth of 2.12 miles. Assume the mean density of the seawater is 1.03 g/ml.10. Calculate the equilibrium membrane potentials to be expected across a membrane at 37 °C, with a NaCl concentration of 0.10 M on the right and 0.01 M on the left, given the following conditions. In each case, state which side is (+) and which is (-). (a) Membrane permeable only to Na*. (b) Membrane permeable only to Cl. (c) Membrane equally permeable to both ions. 11. In each of a, b, and c of Problem 10, will any appreciable transport of mate- rial take place in establishing the membrane potential? Briefly explain cach answer.Consider the cell Pb(s)│PbX2(s)│X¯(aq) (AX-=0.05) ║ Y¯(aq) (AY-=0.06)│AgY(s)│Ag(s) PbX2 (s) + 2e¯ → Pb (s) +2X¯ -0.391 V AgY (s) + e¯ → Ag (s) + Y¯ 0.131 V What is the potential observed under the stated conditions (Ax-=0.05, AY-=0.06)? Make sure to include units in your answer.
- 20.) Ferric oxide is one of the product of rusting. The reaction for the formation of rust is given by: 4Fe + 302 2FE203 Calculate the Gibbs energy of the reaction, if the Gibbs energy of formation of Fe203 (s) is -742.2 k]/mol. A. -742.2 kJ/mol B. +742.2 kJ/mol C. -1484 kJ/mol D. +1484 kJ/mol E.-371 kJ/molA membrane permeable only to K+ ions is used to separate the following two solutions. [KCI] = 0.18 M [NaCI] = 0.096 M [KCI] = 0.096 M [NaCI] = = 0.18 M Calculate the membrane potential at 25.0°C. 4.0 0.0177The biochemistry that takes place inside cells depends on various elements, such as sodium, potassium, and calcium, that are dissolved in water as ions. These ions enter cells through narrow pores in the cell membrane known as ion channels. Each ion channel, which is formed from a specialized protein molecule, is selective for one type of ion. Measurements with microelectrodes have shown that a 0.30-nm-diameter potassium ion (K+) channel carries a current of 1.8 pA. How many potassium ions pass through if the ion channel opens for 1.0 ms?