Mole Ratio Problems

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Name: Answer Key Period: ______ Date: __________ Chem B Problems 1 – 6 for HW, the rest for extra practice/review WS 4.6: Mole Ratio Problems Directions: Solve the Following Problems. Show all work on a separate sheet of paper and box your final answer. 1) How many moles of Nitrogen Dioxide will be made from the reaction of 5.5 moles of Dinitrogen Tetraoxide? N2O4(g) → 2 NO2(g) 11 mol NO2 2) How many moles of NH3 will be produced when 13 moles of H2 reacts? N2(g) + 3 H2(g) → 2 NH3(g) 8.7 mol NH3 3) How many moles of NH3 will be produced when 7.0 moles of N2 reacts? N2(g) + 3 H2(g) → 2 NH3(g) 14 mol NH3 4) How many moles of Technetium(VII) Oxide will can be produced from 3.8 moles of Technetium? 4 Tc + 7 O2 → 2 Tc2O7 1.9 mol Tc2O7 5) Given the reaction below, how many moles of Vandium(II) Chloride will form when 3.22 moles of Hydrogen gas reacts? 2 VCl3 + H2 → 2 VCl2 + 2 HCl 6.44 mol VCl2 6) If 12 moles C8H18 burns in excess oxygen, how many moles of Carbon Dioxide will enter the atmosphere and further contribute to global warming? 2 C8H18(l) + 25 O2(g) → 16 CO2(g) + 18 H2O(g) 96 mol CO2 7) If 45.0 moles of CH4 reacts, how many moles of water will be produce? CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(g) 90.0 mol H2O 8) How many moles of lead can be extracted if 50 moles of Carbon are used? 2 PbO + C → 2 Pb + CO2 100 mol Pb 9) For the reaction below, determine how many moles of S2Cl2 formed when 7.80 moles of Sulfur reacts? S8 + 4 Cl2 → 4 S2Cl2 31.2 mol S2Cl2 10) How many moles of Bismuth(III) Sulfate “Bi2(SO4)3” will can be produced if 25.0 moles of H2SO4 reacts with excess Bismuth given the reaction below? 6 H2SO4 + 2 Bi → 6 H2O + Bi2(SO4)3 + 3 SO2 4.16 mol Bi2(SO4)3 11) Given the reaction below, how many moles of Bismuth(II) Chloride will form when 1.55 moles of HCl reacts? 4 Bi + 3 O2 + 12 HCl → 4 BiCl3 + 6 H2O .516 mol BiCl3 12) If .275 moles C5H12 burns in excess oxygen, how many moles of Water can form? C5H12(l) + 8 O2(g) → 5 CO2(g) + 6 H2O(g) 1.65 mol H2O 13) How many moles of Xenon Trioxide will be produced when 7.9 moles of Xenon Hexafluoride reacts? 3 XeF6 + 6 H2O → 2 XeO3 + Xe + 12 HF 5.3 mol XeO3 .

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US010644304B2 ( 12 ) United States Patent ( 10 ) Patent No.: US 10,644,304 B2 Ein - Eli et al. (45 ) Date of Patent : May 5 , 2020 (54 ) METHOD FOR PASSIVE METAL (58 ) Field of Classification Search ACTIVATION AND USES THEREOF ??? C25D 5/54 ; C25D 3/665 ; C25D 5/34 ; ( 71) Applicant: Technion Research & Development HO1M 4/134 ; HOTM 4/366 ; HO1M 4/628 ; Foundation Limited , Haifa ( IL ) (Continued ) ( 72 ) Inventors : Yair Ein - Eli , Haifa ( IL ) ; Danny (56 ) References Cited Gelman , Haifa ( IL ) ; Boris Shvartsev , Haifa ( IL ) ; Alexander Kraytsberg , U.S. PATENT DOCUMENTS Yokneam ( IL ) 3,635,765 A 1/1972 Greenberg 3,650,834 A 3/1972 Buzzelli ( 73 ) Assignee : Technion Research & Development Foundation Limited , Haifa ( IL ) (Continued ) ( * ) Notice : Subject to any disclaimer , the term of this FOREIGN PATENT DOCUMENTS patent is extended or adjusted under 35 CN 1408031 4/2003 U.S.C. 154 ( b ) by 56 days . EP 1983078 10/2008 (21 ) Appl. No .: 15 /300,359 ( Continued ) ( 22 ) PCT Filed : Mar. 31 , 2015 OTHER PUBLICATIONS (86 ) PCT No .: PCT/ IL2015 /050350 Hagiwara et al. in ( Acidic 1 - ethyl - 3 -methylimidazoliuum fluoride: a new room temperature ionic liquid in Journal of Fluorine Chem $ 371 (c ) ( 1 ), istry vol . 99 ( 1999 ) p . 1-3 ; ( Year: 1999 ). * (2 ) Date : Sep. 29 , 2016 (Continued ) (87 ) PCT Pub . No .: WO2015 / 151099 Primary Examiner — Jonathan G Jelsma PCT Pub . Date : Oct. 8 , 2015 Assistant Examiner Omar M Kekia (65 ) Prior Publication Data (57 ) ABSTRACT US 2017/0179464 A1 Jun . 22 , 2017 Disclosed is a method for activating a surface of metals , Related U.S. Application Data such as self- passivated metals , and of metal -oxide dissolu tion , effected using a fluoroanion -containing composition .
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Xenon Trioxide Adducts of O-Donor Ligands; [(CH3)2CO]3Xeo3, [(CH3)2SO]3(Xeo3)2, (C5H5NO)3(Xeo3)2, and [(C6H5)3PO]2Xeo3
doi.org/10.26434/chemrxiv.7092263.v1 Xenon Trioxide Adducts of O-Donor Ligands; [(CH3)2CO]3XeO3, [(CH3)2SO]3(XeO3)2, (C5H5NO)3(XeO3)2, and [(C6H5)3PO]2XeO3 Katherine Marczenko, James Goettel, Gary Schrobilgen Submitted date: 15/09/2018 • Posted date: 18/09/2018 Licence: CC BY-NC-ND 4.0 Citation information: Marczenko, Katherine; Goettel, James; Schrobilgen, Gary (2018): Xenon Trioxide Adducts of O-Donor Ligands; [(CH3)2CO]3XeO3, [(CH3)2SO]3(XeO3)2, (C5H5NO)3(XeO3)2, and [(C6H5)3PO]2XeO3. ChemRxiv. Preprint. Oxygen coordination to the Xe(VI) atom of XeO was observed in its adducts with triphenylphosphine oxide, 3 dimethylsulfoxide, pyridine-N-oxide, and acetone. The crystalline adducts were characterized by low-temperature, single-crystal X-ray diffraction and Raman spectroscopy. Unlike solid XeO , which 3 detonates when mechanically or thermally shocked, the solid [(C H ) PO] XeO , [(CH ) SO] (XeO ) , and 6 5 3 2 3 3 2 3 3 2 (C H NO) (XeO ) adducts are insensitive to mechanical shock, but undergo rapid deflagration when ignited 5 5 3 3 2 by a flame. Both [(C H ) PO] XeO and (C H NO) (XeO ) are air-stable whereas [(CH ) SO] (XeO ) 6 5 3 2 3 5 5 3 3 2 3 2 3 3 2 slowly decomposes over several days and [(CH ) CO] XeO undergoes adduct dissociation at room 3 2 3 3 temperature. The xenon coordination sphere of [(C H ) PO] XeO is a distorted square pyramid which 6 5 3 2 3 provides the first example of a five-coordinate XeO adduct.
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