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
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- Nitrous acid (HNO2) disproportionates in acidic solutionto nitrate ion (NO3- ) and nitrogen oxide (NO). Write abalanced equation for this reaction.Aqueous solutions of phosphoricacid and potassium hydroxidereact to produce aqueouspotassium dihydrogen phosphateand liquid water. Balance the chemical equation.= 8. The following is a Frost diagram of phosphorus in aqueous solution at pH 0. Specify the form of P that is: (i) the most thermodynamically stable; (ii) the least thermodynamically stable; (iii) unstable and will disproportionate, also specify the new forms that will be made. ZE°/V 0.5 0.0 -0.5 -1.0 -1.5 -2.0 PH3 H3PO₂ -2.5 -3 -2 -1 0 1 2 3 H3PO3 H3PO4 4 5 Oxidation state, N
- (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.detailed and concise info about the PROCESSES OF MINERAL ORIGIN/ ORIGIN and GEOGRAPHICAL DISTRIBUTION of Carbonates, nitrates, and boratesA 4.912-g sample of a petroleum product was burnedin a tube furnace, and the SO2produced was collectedin 3% H2O2.Reaction:SO2(g)+H2O2→H2SO4A 25.00-mL portion of 0.00873 M NaOH was introducedinto the solution of H2SO4, following whichthe excess base was back-titrated with 15.17 mL of0.01102 M HCl. Calculate the sulfur concentrationin the sample in parts per million.
- 8.25 g of o samplo of iron ora iron (m) oxido, Fo0:] wore dissolvod in concentratod hydrochlorC acid and the solution diutod to 250 ml 25.0 ml of this solution was roduced to form a solution of iron() ions. This solution of iron (1) ions roquired 264 mi of a00200 M potassium dichromato(vi) solution for completo oxidation back to iron(i) ions. The mass parcontogo of the ron in the ora is x(Fo=55.845 g/mal). CrO+6Fo+14H 2Cr+ GFe"+7H;0 Experiment 3: Neutrolization Titration if an unknown samplo of HPO was titratod with a10 M standard solution of NaOH using phonoiphthaloin indicator. O0 mt of NOOH was noodod to roach the ond point. Tha mass of HyPO4 in this sample is 98.0 g/mol) g (Molor moss of HyPOAb My Questi x Co. How to Ca X N NSU Login X PeriodicTa X M Action Re x 0 mySigTau XG 4.25 ml to X ( NBA FinalX G scientific X + enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator%3Dassignment-take [References] A 1:1 mixture by moles of nitrous oxide and oxygen is often used as a sedative in dentistry. If the total pressure of this mixture in a cylinder is 3.75 atm, what is the partial pressure of each gas? Partial pressure of nitrous oxide = atm Partial pressure of oxygen = atm Submit Answer Try Another Version 3 item attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical SupportThe arsenic in a 1.010 g sample of a pesticide was converted to H3ASO4 by suitable treatment. The acid was then neutralized, and exactly 40.00 mL of 0.06222M AgNO3 was added to precipitate the arsenic quantitatively as Ag;AsO4. The excess Ag in the filtrate and in the washings from the precipitate was titrated with 10.76 mL of 0.1000MKSCN; the reaction was Ag* + SCN→ AgSCN(s) Calculate the percent AsO3 in the sample.
- 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#27The decomposition of N,O5 to NO, and O, is first order, with a rate constant of 4.80 x 10-4/s at 45° C. a. If the initial concentration is 1.65 x 10-2 mol/L, what is the concentration after 825 s? b. How long would it take for a concentration of N,O5 to decrease to is 1.00 × 10-2 mol/L from its initial value, given in a? 02017 Cennace
