Q: This is a question about balancing oxidation reduction reactions for CHM-152
A: In MnO4- we have Mn7+ and in Cr2O72- we have Cr6+ hence the oxidation and reduction half reactions…
Q: Balance the following equation in acidic medium, which represents the dissolution of copper (II)…
A: Redox reactions are reactions in which, oxidation and reduction take place simultaneously. Oxidation…
Q: Michael performed an experiment to analyse iron content by coulometry. A sample with mass of 0.8202…
A: Faraday's Law gives the relation of the number of moles of analyte (nA) to the charge (Q). The…
Q: HO H* 5. HNO2 + Cr2072 + Cr+ + NO3 + H2O Oxidizing agent: Reducing agent:
A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Written the reduction reaction for these two different cathodes
A: 1) Since the Fe in Fe2(SO4)3 is in 3+ state Hence the Fe3+ will reduce to Fe hence the reduction…
Q: Add Stoichmetric factors: ______Cr+ _______H20 yields ______Cr3O4+ +________H2
A:
Q: ow many grams of Ag(s) (107.9 g/mol) could be plated out on the cathode of an electrolytic cell by…
A:
Q: Michael performed an experiment to analyse iron content by coulometry. A sample with mass of 0.8202…
A: We will calculate mass of fe produced by electrolysis of Fe(III) . Then calculate percentage of Fe2…
Q: 2- 7(aq) 3+ Balance the redox reaction Fe+ Cr,0 →Fe + Cr
A:
Q: Consider the following unbalanced reaction: Fe2+ (aq) + Cr207 (aq) --> Cr (aq) + Fe* (aq) 1. Balance…
A: [1.] In acidic medium,
Q: The cathode reaction is: AUA13+
A: The voltaic cell is basically an electrochemical cell that generates electrical energy using a…
Q: Mg+Cu(NO3)2⟶Mg(NO3)2+Cu
A: Yield
Q: 93 Chemistry I Laboratory Manual, 2019 Revision Questions: gy muibor alo vialom od W (E 1) Samples…
A: a. The species that is oxidised is Fe2+ b. The species that is reduced is Cr2O7^2-
Q: What type of reaction is… Zn (s) + Ni(NO3)2 (aq) →
A: Given is, Zn (s) + Ni(NO3)2 (aq) →???
Q: 60 Cu. DFe (a, B) Cu. 26
A: The balanced radioactive Chemical equation is as follows.
Q: During electrolysis of Copper (Cu), a 4A current is passed through electrodes for 2.5 hour.…
A: I = 4 A t = 2.5 hour = 2.5 X 3600 seconds
Q: In the reaction below, which species is the reducing agent? F2(g) + Pt(s) → 2F-(aq) + Pt2+(aq) Oa.…
A:
Q: balance the chemical equation for each reaction FeS2 + 02---> Fe203 + S02
A: Given reaction: In reactant side, In side, Fe = 1…
Q: What are the following? In each case, give a short answer. Two examples are qiv Example 1: 'н, "н,…
A: The question is based on the concept of physical chemistry. we have to describe the options given…
Q: 21. Balance the following equations using half-reaction method: a. As + HNO3 -> H3ASO4 + NO2 in…
A: The oxidation number on As atom and nitrogen atom in HNO3 are 0 and +5 respectively. Also, the…
Q: 5. The grams of Ag (107.88 g/mol) to electroplate a flute when 2.0 amps passes thru 0.10 M AGNO3 for…
A: According to Faraday's law of electrolysis m =I×t×MF×ν Where m= mass deposited I = current passed M…
Q: [Review Topics] [References] Give equations for the reactions of: (Use the lowest possible…
A:
Q: Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below:…
A: Mass of Cr to be plated = 6.85 g
Q: 2- If a piece of iron were to rust for 4 years, how much H2O did it produce overtime? Please use: Fe…
A: when iron reacts with oxygen and water, iron oxide is fomed. This iron oxide is commonly known as…
Q: calculate the E of Ag + Ag(I) = Sn(IV),Sn(2) + Pt
A: Given cell reaction is Ag|Ag+ || Sn+4,Sn+2|Pt In an electrochemical cell, reduction takes place at…
Q: Q26 (C). (a) Explain the following redox reactions: (3 Marks)
A: These reaction are based on spectrochemical series .
Q: 28). Complete and balance each of the following single replacement reactions. а). Al(s) + _H2SO4(aq)…
A: a) The reactants given are metal Ag and acid H2SO4. Hence the metal will react with acid to produce…
Q: Balance the reaction between HCIO and Fe to form Cl₂ and Fe2+ in acidic solution. When you have…
A: For Balancing an equation in acidic medium following steps are carried out 1. Separate oxidation and…
Q: Which of the following reactions could be used to electroplate nickel with gold? O A) Zn(s) +…
A: Electroplating is a process by which metal ions migrate via a solution from a positive electrode to…
Q: Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below…
A: Given, Mass of Chromium = 6.85 g Molar mass of chromium = 52 g / mol Cr2O72- (aq) + 14 H+ (aq) +…
Q: A. (1) K2Cr207 + (2) FeSO4 + B. (7) HNO3 + C. (11) FeCl3 + (3) H2SO4 > > S + (12) SO2 + H20 > (13)…
A: Balancing the redox reactions
Q: I. Balance the following equations using the change in oxidation state method. a. NaNO3 + FeSO4 +…
A:
Q: 3. Balance the following reaction equation in basic solution: 2- Mn04 (aq) + Cr(OH)3(s) - Mn02(s) +…
A: MnO4- (aq) + Cr(OH)3(s) -----> MnO2(s) + CrO42-(aq)
Q: An iron ore contains iron (II) carbonate, FeCO1. The percentage of iron (II) in the ore can with…
A: The question is based on quantitative estimation of iron carbonate present in the iron ore. it is…
Q: Consider the following reactions. 2+ Mg (aq) + 2e 4 Mg(s) E° = -2.36 V 2+ Zn (aq) + 2e s Zn(s) E° =…
A: Standard reduction potential values of metal decreasing order is Cu > Zn > Mg…
Q: If a redox reaction occured with the 2 redox couples provided below, which species would be the…
A: We have two reduction reaction , we have to identify species acting as oxidising agent.
Q: According to the Metal Activity Series below, which of the following reactions can occur? Li Lit +e…
A: The metal activity series given is,
Q: 27. Zinc metal reacts with perchloric acid solution to produce zinc perchlorate (in solution) and…
A: We have to predict species which is oxidized.
Q: What is the coefficient for water when the reaction is balanced with the smallest whole number…
A:
Q: A solution containing 0.40249 g of CoCl2. xH2O was exhaustively electrolyzed to deposit 0.09937 g of…
A: Given: Mass of CoCl2·xH2O = 0.40249 g. And mass of Co formed = 0.09937 g.
Q: IDENTIFY THE FOLLOWING 9. Oxidizing agent of reaction in acidic 2. UO2* (aq) + Cr,03¯(aq) UO* (aq) +…
A: In the above process, for the reactant side uranium and chromium are in +3 and +6 oxidation state…
Q: The blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with an…
A: 0.08 % blood alcohol limit means that the maximum permissible alcohol in blood is 0.08 g per 100 mL…
Q: Balance the following equations, using either the half-reaction method or the oxidation number…
A: Given balance the redox reactions
Q: Given that sodium oxalate is dissolved in a flask and is titrated to its equivalence point with 30…
A:
Q: Assuming an efficiency of 47.60%, calculate the actual yield of magnesium nitrate formed from 148.7…
A: The molar mass of magnesium (Mg) and magnesium nitrate (Mg(NO3)2) is 24.305 g/mol and 148.3 g/mol.…
Q: When the equation Sn + HNO₃ → SnO₂ + NO₂ + H₂O is balanced in acidic solution, what is the smallest…
A: In the given equation, the oxidation number of Sn changes from 0 to 4 and the oxidation number of N…
Q: What is the sum of the coefficients of reactants and products for the following balanced equation…
A: It is given that Cr2O72- is reacting with Sn2+ and is a redox reaction, these are the type of…
Q: Tron can be extracted from haematite, Fe,O3, using either C or CO2 as the reducing agent. The…
A: #Q.1: The minimum temperature at which a reaction is feasible can be calculated from the formula…
Q: 2. What charge, in coulombs, is required to deposit 1.5 g Cu(s) from a solution of Cu(aq)? (F-96480…
A: Known Cu2+ (aq) + 2e- →Cu (s) Weight of Cu deposits = 1.5 g Atomic mass of Cu = 63.55 a.m.u. F…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- Consider the equation G = -nF. What are the four terms in this equation? Why does a minus sign appear in the equation? What does the superscript o indicate?6. The phosphorus content in a 0.3004-g sample was precipitated as (NH4);PO4 .12M0O3 a slightly soluble precipitate. The precipitate was filtered, washed, and further redissolved in acid. The resulting solution was treated with an excess of Pb²* resulting in the formation of 0.3017 g of PbMoO4. Calculate the % w/w of P2Os.||C Balance the thre X ps://app.101edu.co cions.pdf y 1 FI 2 11 W S C In this experime X F2 3 E D Lab #7 Redox Tis F3 $ Complete and balance the following redox reaction in acidic solution. Be sure to include the proper phases for all species within the reaction. AIO: (aq) + PO3³ (aq) → Al(s) + PO4³ (aq) 4 R F 1 + X F4 M Inbox (4,311)-b x 4 Reset 2 3 H₂O H3O+ 0³-0²- DII ( ) - Al % 5 02 03 04 05 06 0: 07 Search FS 4 T G * Question 6 of 13 M (no subject) -sc X 0 H+ A 6 F6 Y ☐ 5 6 7 8 H P = (s) (1) * & 7 pre lab question X OH 2+ 3+ e U PrtScn SCF8 9 8 ☐ ☐o (g) (aq) O • x H₂O Delete . H I 0 Home Aktiv Chemistry X F9 ( 9 K End O F10 ) 0 L C For the galvanic X PgUP 11 x + P PgDn A : F12 L ( =
- 73 Al ihe school ey decided to adt sodum carbonae (NaCOJ tohe sampled wster in the school tankin order to restore he sttavalue close to The balanced equartion for the reaction is Na,Co.e) + 2HC (ag - 2Nac (ag • H0()• co; (al 731 Calcuate the mass of sodum cartonate (Na,CO.) required to neutralize each 1 dm' of the sample water 732 Ater the neutralization. the water tasted saty. Give a reason for the saly taste of the water Refer to the equation above.- Take Te X Bb 100-0 x D https:/ x how di x O What x O Mail O Post A x O Launc X onbb.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_125547_18&icourse_id%3_37588 1. QUESTION 1 In the spaces provided, enter the products for the acid-base reaction given below, in the following format Enter the species in the order that they appear in the equation! Use standard formats: OH", H3o* H2SO, CH3NH3, etc. You cannot use super- or subscripts.. simply write the formula in linear fashion; HNO3 would be HNO3, CIO3 would be CIO3- (you must capitalize appropriately and the charge must appear last). =C 6H 5NH 3 + + OH QUESTION 2 In the spaces provided, enter the products for the acid-base reaction given below, in the following format • Enter the species in the order that they appear in the equation! • Use standard formats: OH", H30*. H2SO4, CH3NH3, etc. You cannot use super- or subscripts... simply write the formula in linear fashion; HNO3 would be HNO3, CIO3 would be CIO3-…Balance the following redox reaction _H3PO2 (aq) + _Cr2O72- (aq) + _H+ (aq) → _H3PO4 (aq) + _Cr3+ (aq) + _H2O (l) H3PO2=? Cr2O72-=? H+=? H3PO4=? Cr3+=? H2O=?
- standa conditions are evolved during the titration? What volume of 0.0300 M KMNO4 is required to react in acid solution with 5.00 mL of H2O2 that has a density of 1.01 g/mL and contains 3.00% by weight H,O,? The permanganate is reduced to Mn and the H2O2 oxidized to O2. (a) What ic t ho nor oor 1000 a ic troated withWhich species functions as the oxidizing agent in the following reduction-oxidation reaction: 5 Fe2 (ag)+MrO4-(a)+8H (aq)Mi+(ag) » b FeBm (a) + 4H2O O H(ag) O Fe lag) O MnOlaal O Mn- lag)MasteringChemistry: H x O The 'Green Vortex' Is Se x IClicker: Student Respo * IClicker Student Add C x gnmentProblemiD=171599883 %23 B Readi <1 of 18 I Review | Constants | Periodc Table What is the formula for this compound? Express your answer as a chemical formula, • View Available Hint(s) Hint 1. How to approach the problem Since this compound is neutral, the total charge of the compound must equal zero. Choose the formula subscripts such that the total charge for aluminum plus the total charge for oxygen is equal to zero. Hint 2. Detemine the charge on the aluminum ion By looking at the periodic table, predict the charge of the aluminum jon. Express the charge numerically (e.g., 1+). v View Available Hint(s) Hint 1. lon formation An ion is an atom that has gained or lost electrons and therefore carries a charge Atoms form ions to achieve the same number of electrons as the nearest noble gas (rare gas) Submit Previous Answers Request Answer Show all 213 PM 70°F 9/25/2021
- coulbonug9 oinihe olni bouogmoOB QU llaa of word Solubility Rules: Water Soluble Compounds EXSube sCHcood) or etosiq 1. Salts of ammonium (NH4*) and Group IA are always soluble. 2. Salts containing nitrate (N03-), acetate (C2H3O2-), or chlorate (CIO3-) ions are always soluble. enoiteo 1ol ooJ 3. Salts of the halides are soluble with the following exception: a. Compound containing Ag*, Hg2*, Pb²* prirdolaw Jon er Es i olnol the exception of: 4. Salts containing the sulfate ion (SO42-) are soluble elgmsx3 a. Compounds containing Ag*, Hg2*, Pb²+, Ca2*, Sr2*, or Ba2+ Water Insoluble Compounds Juloe ent! 1. Salts of the carbonate (CO32-), phosphate (PO43-), chromate (CrO42-), or sulfides (S2-) ions are insoluble with the exception of compound containing group 1A or ammonium cations. 2. Salts containing the hydroxide ion (OH-) are insoluble with the exception of compounds containing group 1A, ammonium cations, or Ba2+. biup Inot luo tneioliteoo belon Soluble means that it dissolves in water…/viewer.html?state=%7B"ids"%3A%5B"1EMYPODX_-Kkn4ZIB78ytQoncxrZHwVo7%5D%2C"from"%3A'C e Kami Export - Bryce Carrington-$TOICHIOMETRY WORKSHEET#1 paf 6. Silver bromide can be precipitated through the following reaction. What mass of precipitate can be produced starting with 34.3 g of NaBr? NaBr + AGN03 NaNO3 + AgBr 7. How many moles of sodium bromide could be produced from 25.0 g of liquid Bromine? Bromine + Sodium iodide Sodium bromide + lodine30jud to 28AM basu mw 5. Sodium carbonate is a reagent that may be used to standardize acids in the same way that you have used KHP in this experiment. In such a standardization it was found that a 0.498-g sample of sodium carbon- ate required 23.5 mL of a sulfuric acid solution to reach the end point for the reaction.
