A non-metal A which is the largest constituent of air, when heated with H2 in 1:3 ratio in the presence of a catalyst (Fe) gives a gas B. (a) Identify A and B. Redox reaction : A reaction in which both oxidation and reduction occur simultaneously . Conway Pierce Late of University of California Riverside. A … General Chemistry Problems FIFTH EDITION. In electrochemistry, and more generally in solution chemistry, a Pourbaix diagram, also known as a potential/pH diagram, E H –pH diagram or a pE/pH diagram, is a plot of possible thermodynamically stable phases (i.e., at chemical equilibrium) of an aqueous electrochemical system.Boundaries (50 %/50 %) between the predominant chemical species (aqueous ions in solution, or solid phases) … The correct order of the O O bond length in O2, H2O2 and O3 is (b) H2O2 > O3 > O2 (a) O2 > H2O2 > O3 (c) O2 > O3 > H2O2 (d) O3 > H2O2 > O2 (1995) 79. R. Nelson Smith Pomona College. Fe3+ is reduced (its oxidation number decreases from +3 to +2). Nitric acid is an oxidising agent and reacts with PbO but it does not react with PbO2. What is the oxidizing agent of this oxidation - reduction reaction? Fe3+ is the oxidizing agent. (c) 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(l) The N in NH3 is oxidized (its oxidation number increases from -3 to +2). Academia.edu is a platform for academics to share research papers. ... 4 Fe(s) + 3 O2(g) \rightarrow 2 Fe2O3(s) If 7.30 moles of Fe react with excess O2, how many moles of Fe2O3 can be formed? Cr2O3 is fused with Na2CO3 in presence of air to form a yellow coloured compoud A. 30. Complete Solutions Manual GENERAL CHEMISTRY NINTH EDITION Ebbing/Gammon. On heating with O2 it gives an oxide C. If this oxide is passed into water in the presence of air, it gives an acid D which acts as a strong oxidising agent. The reaction (ii) is a redox reaction in which PbO2 gets reduced and acts as an oxidizing agent. (b) Write balanced chemical equation for each step. Cuo +H2→Cu +H2O Solving. Fe2o3 + 3H2O2 => 2 Fe + 3 H2O, somewhat exothermic (if my rusty memory of enthalpy calculations are correct), not sure of the activation energy or need for catalysts). W. H. FREEMAN AND COMPANY San Francisco Sponsoring Editor: Peter Renz Project Editor: Nancy Flight Manuscript Editor: Larry McCombs Designer: Marie Carluccio Production Coordinator: William Murdock Illustration Coordinator: … (iv) A mixed oxide of Iron and Chronium FeO . (A) 15 ml C3H8 & 85 ml O2 (B) 25 ml C3H8 & 75 ml O2 (C) 45 ml C3H8 & 55 ml O2 (D) 55 ml C3H8 & 45 ml O2 Q.7 Carbon can react with O2 to form CO & CO2 depending upon amount of substances taken. Academia.edu is a platform for academics to share research papers. Q. 1.00 g of this compound was dissolved in water to form a 100.0 mL solution. Explain why? Sofia Uribe Sanchez. A household cleaning agent contains a weak base with the formula, NaX. Give the theoretical yield, in moles, of CO2 from the reaction of 4.00 moles of C8H18 with 4.00 moles of O2. Solution: Nitric acid is an oxidizing agent and reacts with PbO to give a simple acid-base reaction without any change in oxidation state. Each O in O2 is reduced (its oxidation number decreases from 0 to -2). 2 C8H18 + 25 O2 → 16 CO2 + 18 H2O 2.56 moles Determine the limiting reactant (LR) and the mass (in g) of nitrogen that can be formed from 50.0 g N2O4 and 45.0 g N2H4. 5. Reducing agent : the substance which reduces other and itself gets oxidized . Uploaded by. O2 is the oxidizing agent. Complete Solutions Manual General Chemistry Ninth Edition ... - ID:5dcdb97adce08. On acidification the compound (A) form an orange coloured compound (B) which is a strong oxidizing agent. 20. NH3 is the reducing agent. Oxidising agent : the substance which oxidizes other and itself gets reduced In this equation - Mg+O2→MgO Mg is reducing agent and O is oxidizing agent . The ground state electronic configuration of valence shell electrons in nitrogen molecule (N 2 ) is written as KK,σ2s2 , σ *2s2 , π2px 2 = π2py2σ2pz2. 66

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