Q: A solution containing 0.15 M sodium ascorbate, NaC6H7O6, has a pH of 8.65. What is the Kb for the as...
A: Given: Concentration of NaC6H7O6 = 0.15 M And pH of solution = 8.65
Q: What are the names of the following compounds? a. HNO2 (aq) Name: b. SO2 Name: с. Cu(Н, РОд)2 Name: ...
A:
Q: 11% O Mon File Edit View History Bookmarks Profiles Tab Window Help Chrome O S550 Mustan (6 unread) ...
A: Given, Gaseous ammonia react with oxygen gas to produce nitrogen monoxide and water vapor, the moles...
Q: 2. Twenty-five mL of 0.100 M lactic acid (K, = 1.4 x 104) is titrated with 0.097 M KOH. %3D a) What ...
A: Volume of lactic acid = 25ml Concentration of lactic acid = 0.1M Concentration of KOH = 0.097M We ar...
Q: C. Fractional Distillation SAMPLES °C at which vapors are collected Distillate Methanol + Ethanol 65...
A: (a) Fractional distillation is used to separate mixtures, where the boiling points are close to less...
Q: The vapor pressure, P, of bromine at several temperatures, T, is given in T (K) Р (Torr) the table. ...
A:
Q: of nodal planes p
A:
Q: The antifreeze commonly used in car raidators is C2H4(OH)2,an ethylene glycol. How many grams of eth...
A:
Q: or the reaction below, the thermodynamic equilibrium constant is K= 1.92×10-3 at 35 °C. H4CO2NH2(s) ...
A: Given : We have to tell Q and delta G of the reaction.
Q: The decomposition of hydrogen peroxide is first order in H,02. The rate constant for this reaction a...
A: Given that: Rate constant(k) = 1.8×10-5 s-1 Initial concentration [A]0 = 0.75 M After time t, conce...
Q: 1. Explain why the temperature gradually drops as the solution is in the process of freezing.
A: A process where a liquid turns into a solid at a constant temperature is known as freezing.
Q: s, Lewis bases, on
A:
Q: 11. Given the following galvanic cell, calculate the potential of the cell at 298 K Pb | Pb+2 (0.139...
A:
Q: A 3.750 g sample of the compound responsible for the odor of cloves (containing only C, H, and O is ...
A:
Q: The following compound is undergo ether cleavage with strong acid. OCH3 2 HBr N + P i) Draw the corr...
A: Given : We have to make products for the following reaction.
Q: grams per liter
A:
Q: In aqueous solution the Ni ion forms a complex with four cyanide anions. Write the formation constan...
A: The formation constant (Kf) for a complex formation reaction is the ratio of the concentration of aq...
Q: Write expressions for K and Kp for the following reaction. I2(g) + 5CO2(g) (double arrow) 5CO(g) + ...
A: The equilibrium constant of a chemical reaction is the value of its reaction quotient at chemical eq...
Q: what are the lewis structures of these: H3PO4 SO42- Palmitic acid (in pH 7.4) Glycerol Water A...
A: Lewis structure are drawn by making dots on the symbol of atom the number of dots are equal to their...
Q: Write expressions for K and Kp for the following reaction 5 C4H10(g) + 25 O2(g) (double arrow) 20 C...
A: Combustion reaction of butane are given
Q: An element has three naturally occurring isotopes with the following masses and abundances: Isotopic...
A:
Q: The mole is a unit for counting. O False O True
A: One mole of a substance is equal to 6.022×10^23 of that substance present in ( atoms, molecules, or...
Q: Which of the choices below properly express the rate of the following reaction? CH4(g) + 20,(g) → CO...
A:
Q: How many moles of B are there in a sample of B that contains 5.92x1024 atoms? moles Submit Answer Re...
A: Given atoms of B = 5.92 × 1024
Q: Determine the amount of heat (in kJ) required to convert 8.24 moles of liquid methanol at-22°C into ...
A:
Q: Vị V2 Charles' Law: Ti(K) Question #3 An ideal gas at 453.9°C and 550.0 mmHg is contained in a flexi...
A: Given, the initial temperature of an ideal gas = 453.9 ∘C The constant pressure = 550.0 mmHg We have...
Q: Mesitylene, a hydrocarbon that occurs in a small amounts in crude oil has an empirical formula of C3...
A:
Q: Consider a decomposition reaction that occurs via the following balanced chemical equation: X2Y → X2...
A:
Q: From the following protected amino acids, write the reaction equation to synthesize a tripeptide of ...
A: The detailed answer of the given question is done on the white sheets of paper attached below. Here...
Q: Why is molality and not molarity used to express concentration in the equations for freezing point d...
A: Given : We have to tell why molality is used in equations of freezing point depression and boiling p...
Q: What is the pH (in two decimal places) of a 0.047 M solution of Sr(OH)2?
A:
Q: identifying letters A-D below each structure. A table of pka values for various organic and inorgani...
A: Given : We have to write which of the following is weaker acid and its conjugate acid .
Q: 1. Provide acceptable IUPAC names for the following compounds. D- stereochemistry if needed. CI- CI ...
A:
Q: calculate the theoretical yield of a reaction( in grams) between 5mmol N,N-diethylethanolamine and 5...
A:
Q: virtual models to show the relationship between an ether and an alcohol
A: The functional groups given are ether and alcohol.
Q: Identify the chiral centres in these molecules
A:
Q: CH3 H;C =CH,CH3 ČH3 CH3 ČH3
A:
Q: What does high NaCl do to protein that is bound to a Sp column?
A: Column chromatography: Column chromatography is used to separate charge analytes. Column chromatogra...
Q: A reaction is found to have an activation energy of 38.0 kJ/mol. If the rate constant for this react...
A:
Q: Calculate the pH of the following solutions of strong acids: HNO3 0.0575 M
A: Here, we have to calculate the pH of 0.0575 M HNO3 solution.
Q: It is
A: Equilibrium constant is only dependent of temperature, it does not depend on concentration.
Q: Question #1 Determine the requested quantities for the following questions. Report your answer t 3 d...
A: The given speciation diagram is:
Q: Hydrochloric acid is sold as a concentrated aqueous solution of HCl with a density of 1.18 g/mL. The...
A:
Q: 11. The elements of Br and Cl are added to a double bond with Br, + NaCl. Draw the Product formed wh...
A:
Q: What should the integral be for the peak at 12.25 ppm?
A: NMR spectroscopy is an analytical technique which is used for structural elucidation. It is based on...
Q: What is the molarity and molality of concentrated HF if the solution is 48% HF by mass and has a den...
A: Given percentage by mass HF = 48℅ density of solution = 1.17 g/ml
Q: Specify the types of strain that destabilize the conformer shown below. Hint: All bonds not explicit...
A: The given structure is the most stable chair conformer of a cyclohexane ring, where all the bonds ar...
Q: A 0.100 L solution is prepared with initial concentrations of 4.0 × 10−3 M iodine I2 , 8.0×10−3 M io...
A: Volume of Solution = 0.100 L [I2]initial = 4.0 * 10-3 M [I-]in...
Q: A+B product Given that reactant A is first order and reactant B is second order, calculate the react...
A: Reaction involved is A + B ---> Product [A] = 0.122 M [B] = 0.241 M Rate constant = 4.12 x 10-3 M...
what are the cell notations for the table 1?
Step by step
Solved in 2 steps with 1 images
- b) In one conductivity cell, the resistance of a 0.1 M KCl solution is 1.5x102 Ω. The knownmolar conductivity of the solution is 101 Ω-1 cm2 mol-1 . Calculate the cell constant, Kcell. (Kcell unit is cm-1).Is a quantitative separation of Zn2+ and Ag+ by electrolytic deposition feasible in principle? If so what range of cathode potential versus that saturated calomel electrode can be used? Assume that the solution is initially 0.1000M in each ion and that quantitative removal of an ion is realized when only 1 part in 1000 remains undeposited E0reduction of Zn2+ = -0.76V E0oxidation of Ag = -0.8VA conductivity cell was calibrated using 0.01 M KCl (κ = 1.4087x10-3 S/cm) and the measured resistance was 688 Ω. a. Determine the cell constant (include units). b. Determine the molar conductivity, Λm for a 0.0100 M AgNO3 solution in the same cell with a resistance reading of 777Ω.
- How long will it take to dissolve 2 mg of metal A (atomic weight 100) in a solution containing A2+ from a metal electrode with area of 1.5 cm2 at an overpotential of = 0.2 V? The exchange current density (j0) for A is 3x10-3 A/cm2, the temperature T=298 K and the symmetry factor =0.4.Why it is necessary to platinize the electrodes of a conductivity cellbefore it is used for conductance measurement?Calculate the ionic strength (in mmoldm^-3) of 0.05moldm^-3 K3PO4
- 1. A Cr3+ solution is electrolyzed using a current of0.365 A. What mass of Cr(s) (51.9661) is plated outafter 10 hours?2. When an aqueous solution of CuSO4 is electrolyzedcopper metal is deposited. If a constant current waspassed for 5.00 h and 404 mg of Cu (63.546) metal wasdeposited, what was the current?In a certain conductivity cell, the resistance of a 0.01 M KCl solution is 150 W. The known molar conductivity of the solution is 141.27 W-1 cm2 mol-1. Calculate the cell constant (Kcell). *(Kcell unit is cm-1)An atomic beam is designed to function with (a) cadmium, (b) mercury. The source is an oven maintained at 380K with a small slit of dimensions 1.0cm x 1.0 x 10-3cm. The vapor pressure of cadmium is 0.13 Pa nd that of mercury is 12 Pa at this temperature. What is the atomic current (the number of atoms per second) in the beams?
- In an investigation of the influence of experimental variables on detection limits in electrothermal AAS, Cabon and Bihan found several factors to be significant in the optimization of the method. List six of these factors, describe in detail the physical basis for each factor, and discuss why each isimportant.The classical dissociation constant of propionic acid, C2H5CO2H, is 1.34 x10-5 moldm-3 at 250C and the limiting molar conductivities at zero concentration of hydrogen and propionate ions are 349.8 and 35.8 ohm-1 cm2 mol-1 respectively. Calculation of the resistivity of 0.100 M solution of propionic acid.4.In a certain conductivity cell, the resistance of a 0.01 M KCl solution is 150 Ω. Theknown molar conductivity of the solution is 141.27 Ω-1 cm2 mol-1. Calculate the cell constant (Kcell).*(Kcell unit is cm-1) 5. Using the same conductance cell as in Question No. 4, a student measured the resistanceof a 0.10 M NaCl solution to be 19.9Ω. Calculate the experimental value of the molarconductivity of this solution.