7) How do you separate diffusion current (ia) from kinetic current (i) in a polarographic measurements?

Q: What is the entropy when 1.78 moles of CCI,F2 vaporize at 25°C? [AH(vap) = 17.2 kJ/mol at 25°C] 13…

A: ∆S° = ∆H°/T  This is the formula used to calculate the entropy change.

Q: How many molecules of salt are there in 13 moles of

A: Given-> Number of moles = 13 moles

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A: This question belongs to ionic equilibrium that is concept of precipitation. We know that, Qs<Ks…

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A: The pH of buffer can be calculated by using Handerson equation . Ammonia and ammonium chloride forms…

Q: The reaction A2 + B2 2 AB has an equilibrium constant of Kc = 4 For each of the parts below, where A…

A: Answer: Reaction quotient is the ratio of concentration of product and reactant at any point and…

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A: Given,  Anode half = Fe|Fe2+  Cathode half = F-|F2  a). What is the anode half reaction = ? b). What…

Q: This week, consider the following terms: Catalyst Activation energy What does the…

A: Answer - Catalyst - the terms mean in everyday language to everyday people - a substance that…

Q: 1. The endpoint of the titration is overshot! Does this technique error result in an increase, a…

A: The solution of the given question is

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Q: Weak Acid + Strong Base 15.00 mL of a 0.750 M solution of cyanic acid, HCNO, was titrated with a…

A: Given,  [HCNO] = 0.750 M  Volume of HCNO = 15.00 mL  [NaOH] = 0.375 M  Acid dissociation constant of…

Q: Given the reaction: Br2(g) + Cl2(g) → 2BrCl(g) ; K = 7.20 Calculate the equilibrium concentration of…

A:

Q: 2X(aq) + Y(s) ⟷ Z(aq) K = 658 at 425 K When the concentration of X = 0.063 at equilibrium, what is…

A: Given equllibrium  equation  2X(aq)+Y(s)  <-> Z(aq) Given equllibrium constant K =658…

Q: The electromotive force f the half cells at 25 čs Ag / Ag Ag/ Ag Br 0-8V -0.071V calculate:…

A: Given: Ag/Ag+ = -0.8 V,   Ag/AgBr = -0.071 V Efficiency constant = 0.9 Two half reactions for the…

Q: A mixture of 2.75e-02 mol of O3, 4.32e-02 mol of NOCI, 7.25e-02 mol of NO, and 7.59e-03 mol of Cly…

A: Answer: Ideal gas equation will be used to calculate partial pressure of gases which is shown below:…

Q: An 1855 grams sample of water, initially at 28.6°C, was heated under a pressure of 760 Torr to…

A: Answer: It is a three step process in which during 1. water will be heated to it boiling point 2.…

Q: Consider the coordination compound [Cr(H,O),Cl]CI and calculate the the coordination number of the…

A: Coordination number: Coordination number of a metal ion in a complex can be define as the number of…

Q: Calculate the solubility at 25 °C of PbCO, in pure water and in a 0.0080M Pb(NO,), solution. You'll…

A: At 25℃, Ksp of PbCO3=7.40×10-14 [Pb(NO3)2] =0.0080 M Molar mass of PbCO3=267.21 g mol-1

Q: Question 9 In a titration of a weak acid with a strong base, what is the pH of the solution at the…

A: Here, we have to find the pH of a solution at the equivalence point in a titration of a weak acid…

Q: AY GAS! PART II Let's Find Out. About common conditions Let's Do It This Way: Identify which of the…

A: Charles's law, states that volume occupied by a fixed amount of gas is directly proportional to its…

Q: starting materlal 1 starting materlal 2 a) Robinson annulation

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Q: Consider the coordination cation [Zn(NH3)4]*2 . How many possible geometric isomers are there? a.…

A: Given :  Coordination cation is [Zn(NH3)4]+2 in which 4 NH3 is coordinated to Zn+2 ion so…

Q: 3.1 g of NaOH(s} is dissolved in 57.9 g of water with an initiat temperature of 22.5°C and the…

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Q: Provide the correct IUPAC name for As2S5

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Q: Draw the major product of this Claisen condensation reaction. Ignore inorganic byproducts. +

A: In Claisen condensation reaction ,there is condensation of esters.

Q: Let's Find Out: The gas molecules and their category Let's Do It This Way: Identify the gas molecule…

A: A question based on properties of gases that is to be accomplished.

Q: Incorrect Mechanism (The mechanism is for the formation of the 1,4 product. Please ignore the 1,2…

A: Addition of HBr to conjugated diene is the electrophilic addition reaction in which first step is…

Q: write net ionic equation : A piece of aluminum metal appears to dissolve in hydrochloric acid…

A:

Q: The mass percentages of H and O in a compound used for bleaching are 5.9% H and 94.1% O. The molar…

A: Given:: %H=5.9 % , molar mass of H= 1 g mol-1 % O = 94.1% , molar mass of O= 16 g mol-1 molar mass =…

Q: What ratio of NaCN to HCN is needed to prepare a pH 9.40 buffer? (Ka of HCN is 4.9 × 10⁻¹⁰)

A:

Q: What is the equilibrium constant expression, Ki, for the following weak acid? H3PO4(aq) + H*(aq) +…

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Q: 5- Resistance of the 0.05 M solution placed between two Pt electrodes having surface area 10 cm' at…

A: Concentration = 0.05 M Surface area(A) = 10 cm2 Length (l) = 1.5 cm Resistance (R) = 50 ohm

Q: Calculate the pH at 25 °C of a 0.64M solution of pyridinium chloride (C;H;NHCI). Note that pyridine…

A: The value of pKb for the given weak base is = 8.77 The concentration of the base solution is = 0.64…

Q: Consider the coordination compound [Ni(C204)2(H20)2]Cl2 and identify ligands O a. H20, CI- O b. C204…

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Q: Consider a drop of Mercury. A chemist obtained its mass from which she showed that the drop…

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Q: In reaction between CH4 and O2, CH4 is the reducing agent. a) T b) F

A: Answer: In redox reaction reducing agent is the substance that reduces others and itself gets…

Q: Q2. This question is about the periodicity of the Period 3 elements. (a) State and explain the…

A: Answer: Energy required to release the most loosely binded electron in an isolated gaseous atom is…

Q: Q3: Amylase in saliva begins the digestion of starch in the mouth . Would you expect this enzyme to…

A: A question based on general chemistry that is to be accomplished.

Q: 8. The rate of reaction of the hydrogenation of ethene with hydrogen bromide gas is being studied by…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: How many µl of 10xPCR buffer do you need to add to an a) 50µl, b) 25µl, c) 10µl PCR reaction…

A: We use dilution equation: C1V1=C2V2where,'C' represents the concentration'V' represents the volume

Q: What is the IUPAC name of the compound below

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: separated and distributed throughout the water. For example a solution of sugar consists of…

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Q: Q.2) dalenl ate dm n the fellowng aR anad) CH 3 and

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Q: Structure Name Classification NH2 A) B) H'N C) D) H NH2 E) F) G) H) 'NH 'N' I) J) NH H

A: Detail description is given below

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Q: Refer to the following equilibrium reaction: CaCO3(s) CaO(s) + CO2(g) How would the equilibrium…

A: Equilibrium shift according to le chatelier principal. Equilibrium shift in that direction where…

Q: Question 3 What is the approximate pH of a 0.5 M solution of NaOH? A O to 1 3 to 4 C 7 to 8 13 to 14…

A: Given:: Molarity of NaOH=0.5 M pH = ?

Q: spectrum is of an ester with formula CH;Oz. Multiplicities are the structure of the compound and…

A:

Q: Consider the following equilibrium: N, (g) + 3H, (g) = 2NH, (g) AG = - 34. kJ Now suppose a reaction…

A: