in the experimental of determination liquid diffusion coefficient Dab where A (liquid solution of cacl2) and (B distilled water ) if the total number of capillary N=121 and diameter of a capillary d=0.1cm and a length of capillary x=0.1cm and solution concentration M=0.5M and conductivity change per molar Cm=0.012sm calculate the volume of distilled water solution in the container dk/dt = 2.45*10^-7
Q: 1. A light bulb apparatus used to indicate electrical conductivity of solutions is placed in the fou...
A: Few questions based on general chemistry that are to be accomplished.
Q: the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used to d...
A:
Q: Balance the following chemical equation and determine the number of moles of Fe(s) produced when 8.1...
A: Given unbalanced reaction is : Fe2O3 (s) + C (s) ------> Fe (s) + CO2 (g) Number of moles of Fe2O...
Q: CO,Et Me Me. а. Me Me b. сно N. Co,H Ph с. 'N' Me „OAc
A:
Q: Which of the following is an example of a nonspontaneous process? O A hot skillet cooling O Solid wa...
A: Spontaneous reactions are those reactions that occur by itself and non spontaneous reactions cannot ...
Q: f) d) HC HC CH3 CH3 CH HC
A: IUPAC name of given compounds are as follows
Q: TOPIC 8: Drawing Resonance Structures How many nuclei can reasonably bear the charge in each of the ...
A: This is the concept of resonance.
Q: If you have 4 moles of CH4 molecules how many C atoms do you have ? If you have 4 moles of CH4 molec...
A: Given, The number of carbon atoms present in 4 moles of CH4 molecules and the number of atims in 4 ...
Q: CH3 H,CH2C, H HYCH, ČH3 Н. Draw the line-angle structure incorporating the stereocenters first: Now ...
A: The Newman projection represents the dihedral angles of different conformations of a molecule. In th...
Q: RLES' LAW A balloon, originally at 6.28 L and 211K has its temperature increased to 419K. What will ...
A:
Q: In N2O , 28 g N combines with 16 g O. Determine grams of O and N in NO2
A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...
Q: Given the unbalanced equation: Al + CuO Al2O3 + Cu. When properly balanced, the balancing coefficie...
A: According to the Law of conservation of mass " all atoms of different elements must be equal on both...
Q: Experiment name: Heat of Combustion of benzoic acid and Naphthalene in Bomb Calorimetry
A: Introduction: Bomb Calorimeter is used to determine the heat capacity of various organic compounds b...
Q: The equilibrium constant for the reaction Na2(g) → 2Na(g) is 2.47 at 1000. K. Calculate the value of...
A: given chemical equilibrium Na2 ⇋2Na we are required to find the value of Gibbs free energy if equi...
Q: Enter your answer in the provided box. Consider the reaction N2g) + O2(g) = 2NO(g) If the equilibriu...
A: The given chemical reaction is as equilibrium and the reaction is as follows: N2g + O2g ⇌ 2NOg At ...
Q: The following essential oil is steam-distilled from heartwood chips, and its perfume is a pleasant b...
A: A multiple choice question based on general chemistry that is to be accomplished.
Q: What is the pKb of the conjugate base of a weak acid that has a pKa equal to 3.52? (temperature is 2...
A: Given that : pKa = 3.52 pKb = ?
Q: Use activity coefficients to calculate the pH after 10.0 mL of 0.110 M trimethylammonium bromide wer...
A: Solution Given that 10.0 mL of 0.110 M trimethylammonium bromide 5.0 mL of 0....
Q: Calculate the pH of a 0.0335 M aqueous solution of caffeine (C8H10N4O2, Kb = 4.1×10-4). pH
A: pH: tells us about the effective measure of concentration of ions.
Q: Handwrite everything in the picture THEORY. The standard enthalpy of combustion for a substance is d...
A:
Q: Question 28 Which type of half-cell, when used along with a Mn/Mn2+ half-cell, gives the largest cel...
A:
Q: Liquid hexane (CH, (CH,) CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...
A: Mass of hexane = 44. 0g Mass of oxygen = 198 g
Q: Question 29 How many electrons are transferred in the given redox reaction? Zn(s) + 2AgNO3(aq) → 2Ag...
A:
Q: 1. A 10 L balloon contains helium gas at a pressure of 655 torr. What is the new pressure when the v...
A:
Q: Consider the equilibrium system described by the chemical reaction below. For this reaction, Кр = 10...
A:
Q: 1. O3 1. NaNH, 2. H20 2. Br H =H 3. NaNH2 1. O3 4. 2. H20 1. NaNH2 Br 1. O3 2. 2. H20 H H 3. NaNH2 4...
A: Ozonolysis of alkyne gives carboxylic acids.
Q: Predict the chemical formula for the ionic compound formed by the elements Ca and Br.
A: Given: Calcium is a metal with Z=20 Bromine is a nonmetal with Z=35. They combine together by the ...
Q: Give the IUPAC names of the given structure
A: To write the IUPAC naming for the given Compound :-
Q: What is the pH at which a buffer composed of CH3NH2 and CH3NH3+ would be most effective at resisting...
A: Buffer is a solution of weak acid or weak base with its conjugate base or conjugate acid respectivel...
Q: Calculate AH°and AE° for the following reactions at 25 °C. Use standard enthalpies of formation from...
A: Calculate ∆H° and ∆E° of the given reaction- 2C2H2(g) + 5O2(g) ----> 4CO2(g) + 2H2O(g)
Q: An unknown compound has the following chemical formula: PtCl, where x stands for a whole number. Mea...
A:
Q: Determine the Miller Index of plane of the given plane in an HCP crystal? Write the negative sign if...
A: BASAL PLANES IN HCP
Q: Showing your work, calculate the cell potential for the following cell: Zn(s) | Zn2*(aq, 0.15 M) || ...
A:
Q: View Policies Current Attempt in Progress The reaction 2N20(g) 2N2(g) + O2(g) has AH° = -163.14 kJ. ...
A:
Q: Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equa...
A: given :- ? → NaClO2(aq) + H2O(l) To predict :- The reactants that are responsible for given produ...
Q: This question is about boiling point elevation. What is the effect of solutes on the boiling point o...
A:
Q: Which of the following foods contains the lowest amount of sodium? A. A hot dog B. One cup of canned...
A: Which of the following foods contains the lowest amount of sodium? A. A hot dog B. One cup of canned...
Q: Cobalt reacts with excess oxygen gas to form colbalt(III) oxide. Choose the correct representation o...
A: Copper reacts with excess oxygen to form copper(III) oxide. Following is the correct representation...
Q: Ammonia (NH,) chemically reacts with oxygen gas (0,) to produce nitric oxide (NO) and water (H,O). W...
A:
Q: Lavender oil inhalation has been shown to affect brain wave activity, as measured by electroencephal...
A:
Q: A. How many mL of a 0.171 M aqueous solution of nickel(II) nitrate, Ni(NO3)2, must be taken to obtai...
A: A. Given, concentration of aqueous solution of nickel(II) nitrate, Ni(NO3)2 = 0.171 M Mass of Ni(...
Q: Question 8 For which salt is the aqueous solubility most sensitive to pH? CaFa(aq) O Cacl(aq) CaBrz(...
A: We have to tell about the solubility of the sparingly soluble salt. We know that the solubility of s...
Q: Experiment name: Heat of Combustion of benzoic acid and Naphthalene in Bomb Calorimetry Q1:Introduct...
A: Please find your solution below : Calorimetry is defined as the process in which the amount of heat ...
Q: pls show the the isomers of butane-2,3-diol. Which pairs are enantiomers? diastereomers? mesomers?...
A:
Q: C-C-C-C=C OH CI C. D.
A: Given compounds:
Q: Given the following reactants, write the possible products and determine if the reaction will occur....
A: A question based on stoichiometry that is to be accomplished.
Q: litrogen monoxide and ozone react to form nitrogen dioxide and oxygen, like this: NO(g)+O3(g) → NO,(...
A:
Q: Write the balanced formula, complete ionic, and net ionic equations for each of the following acid-b...
A:
Q: balancing equation XCl2+AgNO3 X(NO3)2+AgCL
A:
Q: Specity which of the tollowing are oxidation-reduction reactions, and it it is, identity the oxidizi...
A:
Step by step
Solved in 2 steps with 2 images
- Calculate the surface excess of solute given the following data:Molar concentration in bulk solution as prepared:0.100 mol dm-3Molar concentration in bulk solution as determined:0.981 mol dm-3Total volume of solution: 100 cm3Radius of beaker containing the solution: 2.50 cmThe thermal conductivity of carbon dioxide at 0 ºC is 0.0145 J K-1m-1 s-1. Estimate the diameter of the molecule knowing that Cp,M= 66 Jmol-1 K-1. Solution: 4.23 ÅIn a 1:1 molar ratio of SDS (sodium dodecyl sulfate) - betaine (cocoamidopropyl betaine) system, the ratio of the surfactants at the air - liquid interface near the CMC will be: A - Richer in betaine and leaner in SDS B - same as in the bulk solution C-Both will show negative surface excess because of synergy in micelle formation D -Richer in SDS and leaner in betaine Please answer very soon will give rating surely
- The sedimentation coefficient for a protein in solution is determined to be 4.3 S, and the diffusion coefficient to be 5.5x10-11 m2s-1 (vb = 0.74 mLg-1; density = 1.0 gmL-1; and viscosity = 1.0x10-3 Pas-1). Use this information to calculate the molar mass (kgmol-1) of the protein. Assume temperature of 298 K.The molar conductivity at infinite dilution of H+ and NO3- ions at 298K are 349.8 Scm2mol-1 & 71.44 Scm2mol-1, respectively. Determine the molar conductivity at infinite dilution of HNO3. 278.36 Scm2mol-1 349.8 Scm2mol-1 421.24 Scm2mol-1 210.6 Scm2mol-1the absorption of solute A from a mixture is done in a wetted wall column by a solvent at 1 atm. And 25 C. The Value of mass transfer coefficient is 9 * 10 m/s. At a point, the mole fraction of A in the liquid gas interfaceis 2*10 in the liquid phase. Partial pressure of A in the gas phase is 0.08 atm. Henry's law recation is P^= (600)x^ in atm. Calculate the rate of absorption of A.
- Can you help me answer this problem, a container of Atrazine (500 g) is dumped into a river 2.3 km upstream of a municipal water intake pipe. Cross-sectional area of the river is 5.7 m2. Assume that the Atrazine is dumped as a point source. The river flow is 8.25m3/s and the longitudinal dispersion coefficient is 0.1 m2/s, what is the maximum concentration (in ppm) expected at the intake. How spread out (in the direction of flow) is the atrazine at the time the peak concentration occurs at the intake pipe? Assume 2 standard deviations on either side of the peak is a good estimate of spread. Thank youA student measured the resistance of a 0.5 M NaCl solution to be 45 Ω. Calculate the experimental value of the molar conductivity of this solution if the value of Kcell is 0.0083 cm-1 .Substances A and B with capacity factors 6.3 and 11.4, respectively, are being carried by a mobile phaseflowing at a velocity of 0.53 mm/s. What is the length of a column required to separate these two substanceswith a resolution of 1? Assume that the sample zones for both A and B broaden based on the van Deemter equation H = 0.35 + 0.48/u+ 0.57u where Hand u are expressed in µm and mm/s, respectively.
- In a 1:1 molar ratio of SDS (sodium dodecyl sulfate) - betaine (cocoamidopropyl betaine) system, the ratio of the surfactants at the air - liquid interface near the CMC will be: A - Richer in betaine and leaner in SDS B - same as in the bulk solution C-Both will show negative surface excess because of synergy in micelle formation D -Richer in SDS and leaner in betaineAt 25 °C the molar ionic conductivities of Li+, Na+, and K+ are 3.87 mS m2 mol−1, 5.01 mS m2 mol−1, and 7.35 mS m2 mol−1, respectively. What are their mobilities?The molar conductivity at infinite dilution of hydrochloric acid, sodium benzoate, & sodium chloride at 298 K are 426.2 Scm2mol-1, 82.4 Scm2mol-1, and 126.5 Scm2mol-1, respectively. Determine the molar conductivity at infinite dilution of benzoic acid. 470.3 Scm2mol-1 382.1 Scm2mol-1 421.24 Scm2mol-1 217.3Scm2mol-1