AH AS and AG° for

Q: In the glass electrode used for pH measurement, what substance is connected to the external circuit?…

A: Glass electrode is an ion selective electrode and it is formed by a doped glass membrane. The glass…

Q: What is the pE value in a solution in equilibrium with air (21% O2 by volume) at pH 6.00? а. 16.6 b.…

A:

Q: 3. A pH electrode system is calibrated with standard buffer solutions, with the following voltages…

A: Solution- Data Given- pH 4.01=111 mV, pH= 7.00 = -55 mV, pH 10.01= -215 mV.

Q: A pH probe/meter uses the following equations: Ecell = L + 0.0592 log a1 = L - 0.0592 pH Where L =…

A: The process of determining the concentration of an ionic species by using a single measurement of…

Q: Please Answer my question from the picture im send... And note With same dengan.. God bless you ..…

A: The question is based on the concept of qualitative analysis. We have to distinguish the molecules…

Q: Dilution is done to commercially available acids such as HNO3, H2SO4 etc so that the strength is…

A: dilution is done to commercially available acids such as HNO3 and H2SO4 etc so that the strength is…

Q: calculate the equivalent weight pf KMnO4 in acidic medium.

A: KMnO4 is a strong oxidizing agent. The oxidation state of Mn in KMnO4 is +7. In acidic medium, Mn+7…

Q: When current is allowed to flow, which species is reduceď?

A: Species having highest reduction potential undergoes reduction at cathode.

Q: a-Write the reachion that Zncery| ZuCla (o-555 mol kigl) Ag Cleery t Ageory delivers current and…

A:

Q: A 0.0810 mL sample of an acid was titrated with electrogenerated OH-. It took 215s at a constant…

A: At the endpoint number of the equivalent of charge required = number of the equivalent of acid…

Q: Calculate the activity coefficient of hydrogen in a 6M solution of a strong acid, given that…

A: We can use the following equations to calculate the activity coefficient of H+. pH = - log10 aH+…

Q: Referring to the equation: BrO3 + Fe2+ → Br + Fe3+, what is the coefficient of Fe3+ when balanced in…

A:

Q: 1. Determine the Eeti values for the following (Chang, 2010) 1. The oxidation of iodide ion /- by…

A:

Q: in ha ion hes andand reductien potental -1.25 V. An engineer proposes using this hafeaction at the…

A: Answer

Q: 0.02 M CH3COOH solution has a resistance of 240 ohm with a cell constant of 0.366 cm'. Calculate the…

A: Given data,Concentration of acetic acid=0.02MResistance=240ohmCell…

Q: Calculate the Delta G value from the following data and

A:

Q: 2. Consider the following reaction: HCO, (aq) = H+(aq)+ CO?-(aq) at room temperature (298 K). a)…

A: For a spontaneous reaction ∆Greaction <0  And ∆G = ∆G° + RTlnQ  Where Q is reaction quotient  T =…

Q: Calculate AG for

A:

Q: f [Fe(CN)6) at an electrod

A: As the question shows that we have to explain that a diffusion layer is formed during the reduction…

Q: What is the standard Gibbs free energy change for the reaction between H2O2(aq) and Mn2*(aq) in…

A: First we need to balance  the given reaction H2O2 (aq) + Mn2+ (aq) -------> MnO4- + H2O (l)…

Q: Determine the mass of Al2(SO4)3 required to prepare 0.01N solution in 100 ml volume. Compare the…

A:

Q: A 17.1769 mL sample of an acid was titrated with electrogenerated OH-. It took 617s at a constant…

A: Given: Volume of acid solution = 17.1769 mLCurrent = 0.216 ATime = 617 seconds

Q: C: Determination of Ka of a Weak Acid: 25 mL of 0.01 M acetic acid solution is mixed with 25 mL of…

A: We would use Henderson Hasselbalch equation to calculate pKa and using pKa we can calculate Ka.

Q: D. NaCl (aq) + acidified MnO2 (s)

A:

Q: A Cr+ (aq) solution is electrolyzed using a current of 7.30 A. What mass of Cr(s) is plated out…

A: a) Given: Current passed = 7.30 A. And time passed = 2.90 day = 2.90 × 24 × 60 × 60 = 250560 s…

Q: calculate the concentration of free Zn2+ in 0.020M Zn(EDTA)2 at pH 10.00

A: The solution of the question is given below:

Q: 1. Balance the following reactions in both acidic and basic media, identify the oxidation and…

A: A chemical reaction in which oxidation and reduction take place simultaneously is called a redox…

Q: What is the standard Gibbs free energy change for the reaction between H2O2(aq) and Mn2+ in acidic…

A:

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: Determine [H30*] of a 0.250 M solution of formic acid (Ka 1.8 x 10-4).

A:

Q: Ilow many grams of an ointment base must be added to 45 g of clobeta (TEMOVAT E) ointment, 0.05%…

A: Mass of ointment = 45 g Initial concentration = 0.05% Required concentration = 0.03%

Q: What is the standard Gibbs free energy change for the reaction between H2O2(ag) and Mn2+ in acidic…

A:

Q: Dilution is necessary for commercially available acids such as HNO3, H2SO4 etc so that the strength…

A: Comercially HNO3 is available in 68% (V/V) in water. Comercially available data of HNo3  Density=…

Q: 2. Calculate AH° and AS° for the following reaction, and AG° at 959 K.

A: To solve this problem we have to first calculate the value of enthalpy (∆H°) then we will calculate…

Q: A 215 mL sample of a 0.500 M NaCl solution with an initial pHof 7.00 is subjected to electrolysis.…

A: In 15 Minutes, 10.0 mL portion (or aliquot) of the solution is removed from the cell andtitrated…

Q: A copper storage tank containing dilute H,SO, at pH 0.1 is blanketed with hydrogen at 1 atm.…

A: The standard potential for the reduction of Cu is obtained from the table as 0.342V Cu+2 + 2e →Cu…

Q: Which of the following is the best way to test the acidity or alkalinity of an unknown liquid sample…

A: a species which liberates hydrogen ion on dissolution it is said to be acid a species which accept…

Q: s the AG° value of the reaction

A:

Q: 2. Calculate AH° and AS° for the following reaction, and AG° at 959 K. (--al) 3 Fes 5 O2 1 FezO4 3…

A: The standard enthalpy change ∆H∘ for the reaction can be calculated as:…

Q: A 0.10M Al2(SO4)3 solution is at 25 deg C. Is the the ionic strength greater than, less than or…

A: Formula for ionic strength μ= 1/2 ∑1i(Ci Zi2) Where CI is concentration of ions and Zi is the charge…

Q: Silica (SiO2) is an impurity that must be removed from ametal oxide or sulfide ore when the ore is…

A: Balanced chemical reaction is the chemical equation that contains an equal number of atoms of each…

Q: The acid ionization constant for Fe(H 2O) 62+(aq) is 3 ×10-6. Calculate the pH of a 0.10 M solution…

A: Acid ionization constant denoted by Ka is the equilibrium constant measure of tendency of an acid to…

Q: Dilution is done to commercially available acids such as HNO3, H,SO4 etc so that the strength is…

A: A true or false question based on commercially available chemicals, which is to be accomplished.

Q: Calculate the K and AG" for the following reaction at 25 °C:

A: The given reaction is: 2AgNO3aq+Zns⇌ZnNO32aq+2Ags The value of Ecell∘ is calculated as:…