Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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The reaction between peroxodisulphate (VI) ions, S2O82- and iodide ions, I- can be catalyzed by iron(III) ions, Fe3+.
(a)Suggest a mechanism for the catalytic reaction.
(b)Sketch an energy profile diagram for the catalyzed and uncatalyzed reactions.
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- Which are important thermodynamic parameters associated with the completion of a single step reaction? Explain its energy profile diagram. Sketch diagrams for exo-and endothermic reactions?arrow_forwardMN IN The 1995 Nobel Prize in Chemistry was shared by Paul Crutzen, F. Sherwood Rowland, and Mario Molina for their work concerning the formation and decomposition of ozone in the stratosphere. Rowland and Molina hypothesized that chlorofluorocarbons (CFCS) in the stratosphere break down upon exposure to UV radiation, producing chlorine atoms. Chlorine was previously identified as a catalyst in the breakdown of ozone into oxygen gas. Using the enthalpy of reaction for two reactions with ozone, determine the enthalpy of reaction for the reaction of chlorine with ozone. (1) CIO(g) + O,(g) → Cl(g) + 20,(g) AHxn = -122.8 kJ AHn = -285.3 kJ | rxn AHn = ? (3)°O + (3)OIƆ (3)1Ɔ+(3)*o (£) (3) 0E – (3)°07 (2) rxn %3D = UXHV kJ MacBook Pro Q Search or enter website name The & %23 $4 3. 4. 5. 7. 6. delete R H. K. re B. HE MOSISO command optionarrow_forwardPredict the products and what is the reaction mechanism?arrow_forward
- 1. Balance each of the following equations. (You can use the back of this paper and an extra sheet if necessary.) (a) Fe+ C12 - (b) Fe+ 02 (c) FeBr3 + H2 SO4 →→ Fe2(SO4)3 + HBr (d) C4H6O3 + H2O →→ C2H4O2 (e) C2H4 + O2 CO2 + H2O (f) C4H100+ 02 - CO2 + H2O (g) C7H16+ O2 CO2 + H2O (h) H2 SiCl2 + H20- - FeCl3 Fe203 H8 Si404 + HCI H10Sil0015 + HCI (j) C7H9+ HNO3 - →→ C7H6 (NO2) 3 + H2O (k) SH802 + NaH+ HCl →→ C5H1202 + NaCl 11 (i) HSIC13 + H2O -arrow_forward13 Consider the following reaction: H2 (g) + 12 (g) --> 2HI (g) Given the following data: H2: AH° = 0 kJ/mol; S° = 135 J/molK %3D I,: AH°=0 kJ/mol; S° = 111 J/mol K HI: AH° = 22 kJ/mol; S° = 202 J/mol K Determine the AG° in kJ for this reaction at 298K. Do not put units in your answer. Report your answer with two places past the decimal point. Type your answer... Sign of Entropy MacBookarrow_forwardThere are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In the first step, calcium carbide and water react to form acetylene and calcium hydroxide: CaC(s) + 2 H₂O(9)-C₂H₂(g) + Ca(OH)₂(s) In the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6C₂H₂(g) + 3 CO₂(9)+ 4H₂O(g)-5CH₂CHCO,H(9) Write the net chemical equation for the production of acrylic acid from calcium carbide, water and carbon dioxide. Be sure your equation is balanced. 4arrow_forward
- The reaction between peroxodisulphate (VI) ions, S2O8^2- and iodide ions, I- can be catalyzed by iron(III) ions, Fe^3+. a). Suggest a mechanism for the catalytic reaction b). Sketch energy profile diagram for the catalyzed and uncatalyzed reaction s..ns.arrow_forwardtrans-Pt(py)2(Cl)2 reacts with PPh3 to form trans-Pt(py)2(Cl)(PPh3). This reaction proceeds through an intermediate with trigonal bipyramidal geometry around the Pt. What is the valence electron count of the intermediate?arrow_forwardShow that if it can be assumed that there is a pre-equilibrium involving step (1), the rate of formation of ethylene oxide is v = k,K[CH,CICH,OH][OH ], where K is the equilibrium constant for the first step and k, is the rate constant for the second step. E17E.2(b) 'The mechanism for the reaction between 2-chloroethanol, CH,CICH,OH, and hydroxide ions in aqueous solution to form ethylene oxide, (CH,CH,)0, is thought to consist of the steps (1) CH,CICH,OH+OH 2CH,CICH,O¯+H,O (2) CH,CICH,O¯ –→(CH,CH,)O+CIarrow_forward
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