FOLLOW THE METHOD FROM THE OTHER PHOTO PLEASE BALANCE REDOX REACTION(USE THE LONG METHOD WITHCHECKINGS)2+Fe²+ + Cr Fe + Cr³+CONTENT SHOULD BE THESE-OXIDIZEDREDUCEDBASIC SOLUTIONCHECKING2+3) AI + NO₂ → A)+5+4=1↑6+5-2Al + NO₂oxidized:A1 A1²+ + 2 eA²:11A):10Voxidized, reduced oxidizing agentreducing agentducking Al: 1#:4V21+2A/ ²++2-2=0BASIC SOLUTIONها : 0t+4-2=12+ ND₂Al 721²2e2e + 4H+ + 2NO → 2ND ₂ + 2H₂PAL + 26² + 4H+ + 2 NO₂ → A1 ²+ + 2 e ²³ + 2NO₂ + 2H₂O| AL + 4H+ + 2 NO ₂² →→ 41 ²+ + 2NO₂ + 2H₂O Balanced in acidic solutionclacking AI:1H: 40216=8N²2+4 -4 =0↑+4-2-2+ NO ₂Al: TH:4N÷ 20:4+2=6+2Reduced:et 2H+ + NO₂ → NO₂ + H₂DV: 1N = 10-83H: 2OAL+ 4H+ + 2NO₂A1²+ + 2NO₂ + 2H₂OAl + 4H+ + 40H¯¯ + 2 NO ₂- → A1²+ + 2NO₂ + 2H₂0 + 40H-Al + √₂ + 2 NO ₂- → A1 ²+ + 2NO₂ + 2H₂Q+40H-2| Al + 2 H₂O + 2NO3 →→ A1²+ + 2NO₂ + 40H - Balanced in basic solutionH:40²4+4=8N÷2Date :0:3H.2+2-4-H-012 (e² + 2H² + NO₂- →-> NO ₂ + H₂0)2e + 4H+ + 2NO3 → 2ND ₂ + 2H₂O+2-4=VICTORY

Concept based on the balancing of redox reactions.

Answered: BALANCE REDOX REACTION (USE THE LONG…

BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) Fe2+ + Cr Fe + Cr³+ CONTENT SHOULD BE THESE OXIDIZED REDUCED BASIC SOLUTION CHECKING

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter23: Potentiometry

Section: Chapter Questions

Problem 23.21QAP: The following cell was found to have a potential of 0.124 V: Ag|AgCl(sat’d)||Cu2+ (3.25 10-3...

See similar textbooks

Related questions

Q: Why does adding 6 M NaOH to the red solution tend to make it turn back to yellow NaOH dissociates…

Q: How much diluting fluid would be required to make 100 mL of a 1/100 dilution from an undiluted stock…

A: First the given data Final volume = 100 mL Dilution = 1/100 Find out the diluting fluid volume

Q: Bromine monochloride is synthesized using the reaction Br₂(g) + Cl₂(g) 2 BrCl(g) Kp = 1.1 x 104 at…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) Fe²+ + Cr → Fe + Cr³+ CONTENT SHOULD BE…

A: Redox reaction : A redox reaction are those chemical reaction where transfer of electrons are…

Q: How can an ethanol be denatured?

A: Solution is made up of two components: solute and solvent. The component which is present in major…

Q: Which equilibrium expressions is correct for the following reaction: Solid phosphorous pentachloride…

Q: the molality of an aqueous solution of sugar (C₁2 H₂2011) is 1.62 mola). the mole fractions of sugar…

Q: Consider the reaction. 2 A(g) = B(g) Kp = 4.73 x 10-5 at 500 K If a sample of A(g) at 3.90 atm is…

Q: The following graphs were plotted from data obtained during the reaction A→→ Products. What is the…

Q: - Determining the volume of base needed to titrate a given mass... A chemistry student weighs out…

Q: How many grams of H₂0 must be used to dissolve loog of sucrose (C₁2H₂20₁1) to prepare a 0.020 mole…

A: Given, the mass and mole fraction of sucrose in solution. We are asked to calculate the mass of…

Q: Which ions remain in solution, unreacted, after each of the following pairs of solutions is mixed?…

A: Since, For write balanced net ionic equation, first balanced the equation then after change into…

Q: 6.) Calculate the concentration (N) of arsenic acid (H₂A504) in a solution if 25mL of that solution…

Q: Consider the chemical reaction 4 K(s) + O2(g) ──> 2 K2O(s) The molar mass of K is 39.10g/mol, and…

Q: 2A1: Utilize the three questions of isomerism (Same MF? Superimposable? Differ by atom connectivity,…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) SO₂ + O2 → SO3 CONTENT SHOULD BE THESE…

Q: Suppose you want to know the formula of a hydrate of barium thiocyanate. If you heat 1.089 g of the…

Q: Write the balanced equation: The presence of bromide ions in waste water from black and white…

A: We are asked to write balanced equation for detection of bromide ions by adding silver nitrate and…

Q: Using Freundlich Relation. If 100 ml of 0.5 M HA (MM = 60 g) mixed with 0.9 g charcool after…

A: Using Freundlich Relation. If 100 ml of 0.5 M HA (MM= 60 g) mixed with 0.9 g charcool after…

Q: You wish to find the enthalpy for the reaction 6 Gel4 (s) + 14 NH41 (s) → 3 Ge₂H6 (1) + 7 N₂ (g) +…

Q: 1) What is the pot of a 0. 0235 M HCl solution?

A: pH of the solution measure the acidity of the compound. If value of pH is less than 7 then solution…

Q: Use average bond enthalpies (linked above) to calculate the enthalpy change for the following…

A: Change in enthalpy of rection at constant temperature is called heat of reaction.

Q: How many milliliters of a 5.90 MM NaOHNaOH solution are needed to provide 0.325 molmol of NaOHNaOH

A: Given -> Molarity of NaOH = 5.90 M Mole of NaOH = 0.325 mole

Q: If the average speed of a helium atom at a certain temperature is 1150. Round your answer to 4…

A: Given - Average speed of helium atom =1150 m/s

Q: OH OH Ph

A: Retrosynthetic analysis is an analysis technique try to solve the problem for the synthesis of…

Q: 1-17 Use asterisks to show the chiral center(s), if any, in the following structures. a. C. H CI TI…

A: If 4 different substituents are directly attached to the carbon atom then it is called the chiral…

Q: The strongest noncovalent interactions are van der Waals forces. dipole-dipole interactions.…

A: Given Find out the strongest noncovalent interaction Concepts of noncovalent and covalent…

Q: The smell of rotting fish is due to a basic organic compound related to ammonia. What common kitchen…

A: Ammonia is an inorganic compound of nitrogen and hydrogen with the chemical formula NH3. In the…

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) Fe²+ + Cr Fe + Cr³+ ->

A: Definitions, Oxidation- In oxidation, loss of electron or addition of oxygen or loss of hydrogen.…

Q: 1. Place 1 inch of Mg ribbon in a test tube and add enough HCI to cover it. Observe the reaction.…

A: When Mg ribbon is placed in a test tube and added enough HCl then Mg ribbon will start dissolving in…

Q: ? ? Br DOOH OH Br Practical consideration: How do you prevent 1,4-disubstitution? Practical…

A: Concept based on the chemical reactions of benzene and it's substituted compounds.

Q: Calculate the partial pressure of each gas and the total pressure for each of the following gas…

Q: Mechanism. Provide the complete mechanism for the reaction below. You must include appropriate…

A: Carbonyl group has electrophilic center hence, it can give nucleophilic addition reaction to…

Q: Arrange the following substances in order of increasing (smallest = 1, largest = 4) Van't Hoff…

Q: +Part A: Name the following ionic compounds: A Group Metals 2345678 Na3N CaBr₂ Mg203 LiH CaQ LiBr…

A: INTRODUCTION: The A group metals in periodic table are - IA) Li,Na,K,Rb,CS,Fr. IIA)…

Q: CH3CHCH₂CH=CH₂ + H₂O CH3

A: Basic concepts of addition reactions of alkene.

Q: BALANCE REDOX REACTION (USE THE LONG METHOD WITH CHECKINGS) SO2 + O2 → SO3

A: Given- SO2 +O2 →SO3 balanced the redox reaction =?

Q: Determine the direction to which the equilibrium will shift if the following changes occur (forward…

A: LeChatelier's principle: When factors like concentration, pressure, temperature, inert gases that…

Q: O Macmillan Learning If 0.0701 mol CaCl, is dissolved in water to make a 0.440 M solution, what is…

Q: Suppose 1.84 g of lead (II) acetate is dissolved in 300. mL of a 31.0 m M aqueous solution of…

A: First we would calculate moles of lead acetate using its mass and molar mass. Then using mole ratio…

Q: Convert 1.93 × 108 μm to units of meters.

A: Since, We know that, 1 μm= 10-6 m Then,

Q: 10.) What is the amount in grams of H₂0₂ needed to make a 6kg, 3% by mass H₂02 solution?

Q: classmate for the following reaction, 3.87 gm of Carbon (graphite) 14.4 gon of Oxygen gos. Carbon (…

Q: HMO (aq) → H+. н (aq) red ed to distilled water, the solut

A: Le chatelier principle says that equilibrium will shift in such a way so as to undo the effect of…

Q: On the conformations the cost in k CH 3 3 H 2 5 ~1/1 АЗС 2 chair OH H CH 3 4 ra

A: A six-membered ring with 6 tetrahedra naturally assumes a chair conformation as the conformation of…

Q: Give all possible resonance structures for the given molecule and identify the major contributor…

Q: A buffer made of weak acid [WA] and its conjugate base [CB] is most effective when a)pH = pKa of…

A: Acidic substance which release hydrogen water and BSc the substance which released height of the…

Q: The salt K2HPO4 (potassium hydrogen phosphate) is a strong electrolyte but not a strong acid or…

A: Solution of potassium hydrogen phosphate.

Q: which of the follwing will form an ion with a smaller radius that if its atom -Cl -N -Br -Ba

A: Here we are required to form ion with smaller radius.

Q: 8.) What is the concentration of a solution with a volume of 9mL that contains 2g of iron (1)…

A: 8) 9 mL of a solution contains 2 g of iron III hydroxide .We have to calculate the concentration…

Question

FOLLOW THE METHOD FROM THE OTHER PHOTO PLEASE

BALANCE REDOX REACTION
(USE THE LONG METHOD WITH
CHECKINGS)
2+
Fe²+ + Cr Fe + Cr³+
CONTENT SHOULD BE THESE
-
OXIDIZED
REDUCED
BASIC SOLUTION
CHECKING
2+
3) AI + NO₂ → A)
+5+4=1
↑
6
+5-2
Al + NO₂
oxidized:
A1 A1²+ + 2 e
A²:11A):1
0
V
oxidized, reduced oxidizing agent
reducing agent
ducking Al: 1
#:4
V2
1
+2
A/ ²+
+2-2=0
BASIC SOLUTION
ها : 0
t
+4-2=12
+ ND₂
Al 721²2e
2e + 4H+ + 2NO → 2ND ₂ + 2H₂P
AL + 26² + 4H+ + 2 NO₂ → A1 ²+ + 2 e ²³ + 2NO₂ + 2H₂O
| AL + 4H+ + 2 NO ₂² →→ 41 ²+ + 2NO₂ + 2H₂O Balanced in acidic solution
clacking AI:1
H: 4
0216=8
N²2
+4 -4 =0
↑
+4-2
-2
+ NO ₂
Al: T
H:4
N÷ 2
0:4+2=6
+2
Reduced:
et 2H+ + NO₂ → NO₂ + H₂D
V: 1
N = 1
0-83
H: 2
O
AL+ 4H+ + 2NO₂
A1²+ + 2NO₂ + 2H₂O
Al + 4H+ + 40H¯¯ + 2 NO ₂- → A1²+ + 2NO₂ + 2H₂0 + 40H-
Al + √₂ + 2 NO ₂- → A1 ²+ + 2NO₂ + 2H₂Q+40H-
2
| Al + 2 H₂O + 2NO3 →→ A1²+ + 2NO₂ + 40H - Balanced in basic solution
H:4
0²4+4=8
N÷2
Date :
0:3
H.2
+2-4-H-01
2 (e² + 2H² + NO₂- →-> NO ₂ + H₂0)
2e + 4H+ + 2NO3 → 2ND ₂ + 2H₂O
+2-4=VICTORY

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The saturated calomel electrode. abbreviated SCE. is often used as a reference electrode in making electrochemica1 measurements. The SCE is composed of mercury in contact with a saturated solution of calomel (Hg2Cl2). The electrolyte solution is saturated KCI. is +0.242 V relative to the standard hydrogen electrode. Calculate the potential for each of the following galvanic cells containing a saturated calomel electrode and the given half-cell components at standard conditions. In each case. indicate whether the SCE is the cathode or the anode. Standard reduction potentials are found in Table 17.1. a. Cu2++2eCu b. Fe3++e-Fe2+ c. AgCl+e-Ag+Cl- d. Al3++3eAl e. Ni2++2eNi
Halide ions can he deposited at a silver anode, the reaction being Ag(s) + X- AgX(s) +e- Suppose that a cell was formed by immersing a silver anode in an analyte solution that was 0.0250 M Cl-,Br-, and I -ions and connecting the half-cell to a saturated calomel cathode via a salt bridge. (a) Which halide would form first and at what potential? Is the cell galvanic or electrolytic? (b) Could I- and Br- be separated quantitatively? (Take 1.00 l0-5 M as the criterion for quantitative removal of an ion.) If a separation is feasible, what range of cell potential could he used? (c) Repeat part (b) for I- and Cl-. (d) Repeat part (b) for Br- and Cl-.
The following cell was found to have a potential of —0.492 V: Ag|AgCl(sat’d)||HA(0.200 M),NaA(0.300 M)|H2(1.00 atm),Pt Calculate the dissociation constant of HA, neglecting the junction potential.
The following cell was found to have a potential of 0.124 V: Ag|AgCl(sat’d)||Cu2+ (3.25 10-3 M|mernbrane electrode for Cu2+ When the solution of known copper activity was replaced with an unknown solution, the potential was found to be 0.055 V. What was the pCu of this unknown solution? Neglect the junction potential.
1. Purification of chromium can be achieved by electrorefining chromium from an impure chromium anode onto a pure chromium cathode in an electrolytic cell. How many hours will it take to plate 15.5 kg15.5 kg of chromium onto the cathode if the current passed through the cell is held constant at 42.0 A42.0 A? Assume the chromium in the electrolytic solution is present as Cr3+Cr3+.
Cyclic voltammetry (CV) is a powerful and popular electrochemical technique commonly employed to investigate the reduction and oxidation processes of molecular species
6) Chromium can be electroplated from aqueous potassium dichromate, with thereduction shown below. If a current of 6.0A and a voltage of 4.5V are used:Cr2O7+(aq) + 14H+(aq) + 12e- -> 2Cr(s)+7H2Oa) How many hours would it take to completely convert215mL of 1.25M K2Cr2O7 to elemental chromium?b) How many kilowatt-hours of electrical energy arerequired to plate 1.00 g of chromium?
The described electrochemical cell (concentration cell) was set up: Cu|CuSO4 (c1) // CuSO4 (c2)|Cu Determine which electrode is the positive terminal (+) of the cell and calculate the cell potential E (electromotive force, EMF) for the given concentrations of the electrolyte CuSO4 in the cell (25oC): c1 = 0.01 mol dm-3, c2 = 1×10-4 mol dm-3
The standard reduction potential (Eo) for the conversion of Cr2O72- to Cr3+ at 25 degree C in an aqueous solution of pH 3.0 is 1.33 V. The concentrations of Cr2O72- and Cr3+ are1.0 × 10-4 M and 1.0 × 10-3 M, respectively. Then the potential of this half-cell reaction is (Given: Faraday constant = 96500 C mol1, Gas constant R = 8.314 J K1 mol1)
At 25C, you conduct a titration of 20.00 mL of a 0.0400 M AgNO3 solution with a 0.050 M NaI solution within the following cell: Saturated Calomel Electrode | Titration solution | Ag(s) for the cell as writted, what is the voltage after the addition of 10.00 mL of the NaI sooution? The reduction potential for the saturated calomel electrode is E=0.241 V. The standard reduction potential for the reaction: Ag++e- ® Ag(s) E0= 0.79993V. The solubility constant of AgI is Ksp=8.3x10-17 Note: the cell potential could be negative since the condditions are non-standard ones. a)0.169 b)0.354 c)0.235 d)2.360 e)0.441
How long would it take to electrodeposit all the Cu2+ in 0.300 L of 0.230 M CuSO4 solution with an applied potential difference of 0.275 V and a current of 3.50 amperes? Enter your answer in minutes.
How long would it take to electrodeposit all the Cu2+ in 0.300 L of 0.230 M CuSO4 solution with an applied potential difference of 0.275 V and a current of 3.50 amperes? in minutes