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- A chemist dissolves a 1.497-g sample of a type of metal (an alloy of Sn, Pb, Sb, and Cu) in nitric acid, and metastannic acid, H2SnO3, is precipitated. She heats the precipitate to drive off the water, which leaves 0.4909 g of tin(IV) oxide. What was the percentage of [in in the original sample?6 .. C. Reactivity of metals: 1. Observations (Indicate whether the reaction occurred, the vigor, extent and speed): Al Cu Zn a. No reaction b.No reaction Cu is least reactive Al,(SO.); then Al2 therefore Cu is not able to displace Al from solution C. 3Cu+Al,(SO,)3 d.Cu + ZnSO4 Al is more reactive CuSO, than Cu thus Al displaces Cu in solution eAl,(SO,), + Zn f.No Reaction ZnSO, i. h. g. H,SO, not ionic equation for the reactions above.IMG_9524.HEIC Open with Preview enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=Dassignmen Use t The following are unbalanced equations. They show the kinds of reactal H2O2 H20+ 02 decomposition (b) Fe + O, → FeO (c) HCI + 02 → H2O - Cl, (d) H,SO, - Zn(OH)2→ ZnSO,+ H2O Submit Answer Try Another Version 1 item attempt remaining
- 8. Have cach member of your group "balance" two of the equations below. Label cach equation with the member's name. a. KCIO, + CaHzOn KCI + CO; +HO b. NH + C2 → NH, + NHCI c. HgO Hg + O d. Ca + H,O → Ca(OH); + H; c. NazO; + H,SO, - NaSO, + HO: f. N: + H: NH6. 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.||со app.101edu.co Brightspace Walmart-Hiring Ce..... ock Fn Ese + # Et F1 2 a A Z w S P X Alt Which of the following oxides is expected to form the most basic aqueous solution? ॐ 3 E D $ FS R A) Rb₂O F B) In₂O3 C) Al₂O₁ D) SnO₂ E) TeO₂ % JEJE 5 T CL с FO C G F7 B Y Question 18 of 24 H FO & 7 DELL F ★ 8 U 19 J N F10 1 M 9 K O A a L Alt F12 P PrtScr Ctrl E L 7:06 PM WHO 440 4/16/2023 Inserv . Delete Backspace PqUp Num Subm Enter 7 Ę
- 4) Explain the following I, and II reactions and give reasons. NO, %23 i, HNO3, H,SO, ii - Aicı, - ÀICI, ii, AICI,, RCOCI. When titrated in neutral solution with 0.05000 N I2, a mixture of As2O3, AS2O5, and inert material requires 20.10 mL. The resulting solution is then acidified, and excess KI is added. The liberated Iz requires 29.92 mL of 0.1500 N Na,S,O3. Calculate the sum of the weights of As2O3 and As2O5 in the sample.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
- Complete and balance the following reactions. Don’t worry about state symbols for the second one. a. CoCl2(aq) + Na2S(aq) --> b. H3AsO3 + RbOH -->Lv2|Online te X Co. How to Calculate X N NSU Login | North X b Answered: 1. 5.00 PeriodicTableofthe X M Action Required: S X 0 mySigTau enow.com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] Hydrogen azide, HN3, decomposes on heating by the following unbalanced equation: HN3 (g) → N2(g) +H2 (g) If 3.2 atm of pure HN3 (g) is decomposed initially, what is the final total pressure in the reaction container? What are the partial pressures of nitrogen and hydrogen gas? Assume the volume and temperature of the reaction container are constant. Total pressure = atm Partial pressure of N2 atm Partial pressure of H2 atm Submit Answer Try Another Version 3 item attempts remaining et pt pt pt 1 pt 1 pt 1 pt Previous Next Email Instructor Save and Exit at Cengage Learning | Cengage Technical Support hpMsO CI 11 N 111 1 N 'N 8 O₂N Me -Br 1. Fe powder, 90 °C NH4CI, EtOH/H₂O = 2:1 CI. N noe IZ -N Me 22 (60%) H Br