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- 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.