Please correct answer and don't used hand raiting solution Asolution BDoes aprecipitate formwhen A and Bare mixed?empiricalformula ofprecipitateammonium nitratepotassium acetateyesnoПzinc sulfatemanganese(II) iodideyesno☐potassium hydroxidemagnesium nitrateyesnoП

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Answered: solution A solution B Does a…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.12QAP

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Nitrous acid (HNO2) disproportionates in acidic solutionto nitrate ion (NO3- ) and nitrogen oxide (NO). Write abalanced equation for this reaction.
(a) Interpret the variation, including the overall trend across the 3d series, of the following values of hydration enthalpies (in kJ mol·'). [Ca(H2O)«]²*: -2468; [Ti(H2O)«J*: -2700; [V(H2O)«]**: -2814; [Mn(H2O)6]**: -2743; [Fe(H2O)«]²+: -2843; [Co(H20)6]**: -2904; [Ni(H2O)c]*: -2986. (b) By making use of LFSE (Ligand field stabilization energy) in tetrahedral and octahedral geometries, predict whether hausmannite mineral (Mn3O4) has a normal spinel or inverse spinel structure. Describe the structure of the mineral in detail.
OWLY2 Online teac ngagenow.com/ilm/takeAssignment/takeCovalentActivity.do?locatorcign H Image result for sp... M Gmail * Maps E Attendance March. MClassroomClipboar. nami... OYouTube WM RealClean sdep, apter a What is the balanced equation for this reaction? O FeCl2 (aq) + Na,S(aq)FeS(s) +2 NaCl(aq) O IrCl2 (aq) + Naz S(aq) IrS(s) +2 NaCl(aq) O FeCl2 (aq) + Na, SO, (aq)FeSO, (aq) +2 NaCI(ag) O FeCl2 (aq) +Na, S(aq) FeS(s) + NaCl(aq) Correct The balanced equation for this reaction is: FeCl2 (aq) + Naz S(aq) FeS(s) +2 NaCl(aq) b If you combine 27 g each of NazS and FeCl2, what is the limiting reactant? O NazS O FeCl2 Submit Not Visited Try Another Version 10 item attempts remaining du f7
(b) (i) Salbutamol, which is used in ventolin inhaler to relieve asthma, has the structural formula as shown below. Write all the chemical equations involved when salbutamol is: HO. OH
Content * OWLV2 | Online teaching and le x Nomenciature of Oxyacid tx & cvg.cengagenow.com/ilrn/takeAssignment/takeCXPCompliantActivity.do?locator%=assignment-take OPrevigus Page 2 of 5 Next O References Use the References to access important values if needed for this question. Be sure to specify states such as (aq) or (s). Use H30* for the hydronium ion. If a box is not needed leave it blank. If no reaction occurs leave all boxes blank and click on "submit" Write a net ionic equation for the reaction that occurs when aqueous solutions of hydrobromic acid and barium hydroxide are combined. +] gage mfo/ais-asp/take
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(a) What is the percentage of MnO2 in a pyrolusite ore if a sample weighing 0.4000 g is treated with a 0.6000 g of pure H2C2O4.2H20 and dilute H2SO4 and after reduction has taken place (MnO2 + H2C2O4 + 2H+ Mn2+ + 2CO2 + 2H2O), the excess oxalic acid requires 26.26 mL of 0.1000 N KMNO4 for titration? (b) If pure As2O3 were used instead of oxalic acid, how many grams would be required in order for the other numerical data to remain the same?
(2) Boron is diffused into an intrinsic Si sample, giving the acceptor distribution shown in the Figure below. N a. Sketch thee equilibrium band diagram, and show the direction of the resulting electric field, for N(x)>>n¡ b. Repeat it for phosphorus diffusion for N(x)>>N;
1. A sample of feldspar weighing 1.500g is decomposed, and eventually there is obtained a mixture of KCI and NaCi weighing 0.1801 g. These chlorides are dissolved in H20, a 50-mL pipetful of 0.08333 N AGNO3 is added, and the precipitate is filtered off. The filtrate requires 16.47 mL of 0.100ON KCNS, with ferric alum as indicator. Calculate the percentage of K20 in the silicate.
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Manganese silicide has the empirical formula MnSi andmelts at 1280 °C. It is insoluble in water but does dissolvein aqueous HF. (a) What type of compound do you expectMnSi to be: metallic, molecular, covalent-network, orionic? (b) Write a likely balanced chemical equation for thereaction of MnSi with concentrated aqueous HF.
(a) How many grams of H2O2 are contained in a solution that requires for titration 14.05 mL of KMNO4 of which 1.000 mL 0.008378 g Fe (i.e. will oxidize that amount of iron from the divalent to the trivalent state)? (b) How many grams and how many milliliters of oxygen measured dry and under standard conditions are evolved during the titration?

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solution A solution B Does a precipitate form when A and B are mixed? empirical formula of precipitate ammonium nitrate potassium acetate yes no П zinc sulfate manganese(II) iodide yes no ☐ potassium hydroxide magnesium nitrate yes no П