Question

Balance the following oxidation – reduction reactions that occur in acidic solution using the half-reaction method.

Cr2O72-(aq) + Cl-(aq)  ⟶   Cl2(g) +  Cr3+(aq)

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Inorganic Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: A concentration cell is based on the aqueous reaction: Cu2+(1.00 M) ---> Cu2+(0.0100M)  The cell ...

A: The cell which converts the chemical energy into electrical energy is known as galvanic cell.

Q: The gas phase decomposition of hydrogen iodide at 700 K HI(g)½ H2(g) + ½ I2(g) is second order in HI...

A: The equation for the gas phase decomposition of hydrogen iodide at 700 K is, HI(g) →  ½ H2(g) + ½ I2...

Q: From the ground-state electron configurations of B2 and C2, predict which molecule should have the g...

A: The total number of electrons possessed by B2 is 10. Its ground state configuration will be The bon...

Q: The radioisotope phosphorus-32 is used in tracers for measuring phosphorus uptake by plants. The hal...

A: Answer : Since radioactivity follows first order kinetics . Given : Half life = 14.3 days . Initial ...

Q: Add formal charges to each resonance form of HCNO. Resonance structure A Resonance structure B н — н...

A: The formula for the formal charge on any atom in the Lewis structure is  Formal charge = number of v...

Q: Define Solubility of epoxides ?

A: The three membered cyclic ethers are known as epoxides. In IUPAC nomenclature they are known as oxir...

Q: If a severe storm results in the loss of electricity, it may be necessary to use a clothesline to dr...

A: Sublimation is the phase change of a substance from its solid state to its vapor state without passi...

Q: hat mass of oxygen is consumed by the complete combustion of 7.0 grams of ethylene, C2H4?  Molar mas...

A: Given, mass of ethylene , C2H4 = 7.0 g            molar mass of C2H4 = 28.05 g/mol Now, moles of C2H...

Q: Sulfur dioxide is an intermediate in the preparation of sulfuric acid. What volume of SO2 at 343 °C ...

A: The balanced chemical equation for the reaction is:

Q: 75.0ml of 0.085 m potassium sulfate is added to 50.0mL of 0.055M tin (II) nitrate forming a solid pr...

A: The reactants given are  1) Potassium sulfate i.e K2SO4  2) Tin (II) nitrate i.e Sn(NO3)2  Hence the...

Q: A researcher studying the nutritional value of a new candy places a 4.10 g sample of the candy insid...

A: GIVEN: Mass of sample=4.10 g Temperature imcrease= 2.50oC Heat capacity of calorimeter=33.80 kJ K-1

Q: Describe the shape Independent units or lattice  Ratio of Na+ to Cl-

A: The shape of NaCl can be seen from the structure as cubic. Hence the NaCl is cubic in shape.  

Q: Please explain option 3 with example.How is it possible?

A: When a nitrogen atom is connected with two hydrogen atoms of a hydrocarbon chain then it is called a...

Q: The disaccharide lactulose consists of a d-galactopyranose subunit and a d-fructofuranose subunit jo...

A: Click to see the answer

Q: 75.0ml of 0.085 m potassium sulfate is added to 50.0mL of 0.055M tin (II) nitrate forming a solid pr...

A: The reactants given are 1) potassium sulfate i.e K2SO4 (aq) 2) tin (II) nitrate i.e Sn(NO3)2 (aq)

Q: For the combustion of 0.05086 mol of C5H12O(l) at constant pressure and a temperature of 25.00oC, we...

A: Various thermodynamics entities are interlinked through thermodynamics’ law such as first law, secon...

Q: In the partial mechanism for the formation of cholesterol from squalene (Equation 11-38, p. 593), th...

A: The overall carbocation rearrangement series is shown in equation 11.8 as follows:

Q: Which of the molecules and polyatomic ions cannot be adequately described using a single Lewis struc...

A: INTRODUCTION: The molecules or polyatomic ions involve resonance,cannot be depict by the single lewi...

Q: What is the pH if I mix 20.0 mL of 0.100 M HAc, 30.00 of .100 M NaOH, and 20.0 mL of distilled H2O?

A: pH is the measure of acidity or basicity of a solution.  Mathematically, it is the negative logarith...

Q: A saturated solution of Na2SO4, with excess of the solid, is present at equilibrium with its vapour ...

A: a.

Q: Chemistry Question

A: “Since you have asked multiple question, we will solve the first question for you. If you want any s...

Q: Classify attached solvent as protic or aprotic.

A: A protic solvent is a solvent that has a H atom attached to an oxygen, Nitrogen or fluoride.

Q: Determine the number of moles (of molecules or formula units) in sample. 155.2 kg Na2SO4

A: Record the given data, The given mass of Na2SO4 is 155.2 kg which is converted to grams as 155.2 x 1...

Q: Chemistry Question

A: The coordination bond formed when the metal ions react with anions is known as coordination compound...

Q: the formula of most common monosaccharide glucose is C6H12O6 then why do the resulting disaccharide ...

A: A di-saccharide is formed when two mono-saccharide's undergo condensation reaction.  

Q: Need answer for this question please. organic chemistry

A: The name of the above can be given by following IUPAC namonclature.

Q: Does Gibbs Free Energy delta G change within a reaction when the problem gives us grams of reactants...

A: Yes, From given deltaSo and deltaHo we can calculate deltaGo by using formula, For the calculation ...

Q: Show how the benzylamine can be synthesized from benzene:

A: The process is as mentioned below:

Q: Is this correct answer?

A: The given mass of S is 30.0 g The molar mass of S is 32 g The conversion of mass to moles can be don...

Q: How does the identity of the leaving group affect an SN1 or SN2 reaction ?

A: Nucleophilic substitution reaction is a characteristic reaction of alkyl halides. There are two type...

Q: HA is a weak acid. Its ionization constant, Ka, is 2.4 x 10-13. Calculate the pH of an aqueous solut...

A: Given : The solution has salt NaA with concentration 0.063 M Since NaA is an ionic salt. Hence it wi...

Q: When 1612 J of heat energy is added to 37.9 g of hexane, C,H14, the temperature increases by 18.8 °C...

A: Heat added to any system is given by  Q = mCΔT  where m = mass = 37.9 g C = specific heat capacity  ...

Q: A precipitate will form when aqueous AgNO3 is added to an aqueous solution of which compound? Group...

A: Since AgNO3 is a salt and all the compounds given in options are also salts. Hence there will be a d...

Q: The density of a substance is greater in its solid state than in its liquid state? Explain how?

A: The mass of the substance divided by the volume of the substance is equal to the density of the subs...

Q: A mixture of Na2CO3 and NaHCO3 has a mass of 82.2 g. It is dissolved in 1.00 L of water, and the pH ...

A: v

Q: True or false: Boron contains 2s22p1 valence electrons, so only one p orbital is needed to form mole...

A: Valence electrons of Boron is 2s22p1 so in order to form molecular orbitals only one p orbital is ne...

Q: Show all the work including totaling valence electrons for Lewis structures.

A: For calculation of all the above we have better knowledge of VSEPR theory.In BeBr2 the hybridisation...

Q: A solution contains 0.207 M sodium nitrite and 9.30×10-2 M nitrous acid.The pH of this solution is  ...

A: Given, concentration of sodium nitrite, [NaNO2] = 0.207 M            concentration of nitrous acid, ...

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the foll...

A: Answer : We have to calculate Ecell . Reduction is taking place at copper electrode and Oxidation is...

Q: The gas phase decomposition of sulfuryl chloride at 600 KSO2Cl2(g)SO2(g) + Cl2(g)is first order in S...

A: The reaction given is SO2Cl2 (g) ------> SO2 (g) + Cl2 (g)  Given : Initial concentration of SO2C...

Q: Vitamin K is involved in normal blood clotting. When 0.719 g of vitamin K is dissolved in 25.0 g of ...

A: Click to see the answer

Q: The reaction A(aq) → B(aq) is a first order reaction with respect to A(aq). The concentration of A(a...

A: During reactions, reactants' concentrations reduces over time and it can be linked with the integrat...

Q: Chemistry Question

A: c) HClO4 is a strong acid which dissociates completely as per the reaction  HClO4 + H2O -------->...

Q: Kc= [CoCl4^2-]/[Co(H2O)6^2+](Cl-)^4 CoCl4^2= 0.03 Co(H2O)6^2+ = 0.96 Cl-^4= 1.86 Solve for Kc and ex...

A: Click to see the answer

Q: Calculate the amount of energy that is required to heat and completely vaporize a 125 g sample of li...

A: Since the benzene is in liquid form at 301 K. Hence we first need to heat the liquid benzene from 30...

Q: Chemistry Question

A: Click to see the answer

Q: For the chemical reaction 2 HBr(aq) + Ba(OH),(aq) → 2 H,0(1) + BaBr,(aq) write the net ionic equatio...

A: The representation of a chemical reaction in terms of ions is called ionic equation.

Q: Consider the following reaction:                                                 S2O8 2- (aq) + 2 I ...

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and s...

Q: Write the Lewis structure for each molecule or ion.a. H3COH b. OH- c. BrO- d. O22 -

A: Lewis structure is the electron dot structure drawn for molecules/ions, keeping in mind the lone pai...

Q: 2Co(NO3)3 (aq)+ 3Na2CO3 (aq) = Co2(CO3)3 (s)+ 6NaNO3 (aq) how many grams of sodium carbonate are nee...

A: Given mass of sodium nitrate is 95.1 g. The balanced chemical equation is given as follows: