For each of the following pairs of reaction diagrams, identify which of the pair is catalyzed:(a)303025252020151510105Extent of reactionExtent of reaction(a)(b)(b)5050454035304540353025202520151015105Extent of reactionExtent of reaction(a)(b)Energy (kJ)Energy (kJ)Energy (kJ)Energy (kJ)

A chemical reaction between two molecules takes place successfully when they obtain optimum…

Answered: For each of the following pairs of…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter11: Chemical Kinetics

Section: Chapter Questions

Problem 11.42PAE: Amoxicillin is an antibiotic packaged as a powder. When it is used to treat babies and small...

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Calculate So values for the following reactions by using tabulated So values from Appendix C.(a) 2 NOCl(g) Æ 2 NO(g) + Cl2(g)(b) Be(OH)2(s) BeO(s) + H2O(g)(c) HCl(g) + NaOH(aq) NaCl(s) + H2O(l)(d) 2 CH4(g) C2H6(g) + H2(g)
Which of the following reactions represents an endothermic reaction? 2 SO3 (3) + 198 kJ → 2 SO2 (3) + O2 (g) 02 C,H6 + 702 2 (g) 4 CO2(2) + 6 H2O (1)+ (g) 3120 kJ O CHA (3) + 2O2 (8) → CO2 () + 2H2O (g) + 890 kJ 2 SO2 (e) 2S + 202 () +376 kJ (s) insert %23 2 "3 4 E R SID G H J K pause alt ト LL LLI
what is delta Hr for the reaction 3NH3 (g) + 3.75 (g) - 3NO(g) + 4.5 H20 (g) delta Hr = -904.7KJ 4NH3 (g) + 5O (g) ----> 4NO(g) + 6 H20 (g) delta Hr= -904.7 JK
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35R) AH for the reaction IF5 (g) → IF3 (g) + F2 (g) is kJ, give the data below. IF (g) + F2 (g) → IF3 (g) AH = -390 kJ IF (g) + 2F2 (g) → IF5 (g) AH =-745 kJ A) +355 B) -1135 C) +1135 D) +35 E) -35. vanA
A match is lit and held under a cold piece of metal. The followingobservations are made: (a) The match burns. (b) The metal getswarmer. (c) Water condenses on the metal. (d) Soot (carbon) isdeposited on the metal. Which of these occurrences are due tophysical changes, and which are due to chemical changes?
What is AG rxn for the following reaction? 3NO2(g) + H₂O() → 2HNO3() + NO(g) Substance AGf (kJ/mol) H₂O(1) HNO3(1) NO(g) NO2(g) -237.2 -79.9 86.7 51.8
(b) Study the following themochemical data very carefully: Ciz(g) - 2ci(g) I2(g) IC(g) - 1(g) + CI(g) I2(s) → 12(g) AH° = 242.3 kJ AH° = 151.0 kJ 21(g) AH° = 211.3 kJ AH° = 62.8 kJ I2(s) reacts with Cl2(g) to produce ICI(g). Write the chemical equation to produce ONLY one mole of ICI(g) (i) Calculate AH° for the reaction of I2(s) with Cl2(g) to form 1 mole of ICI(g). Use all the data given above. (ii) What law did you use to calculate AH° above? (iii) What are the names of the following processes? I2(s) → 12(g) I2(g) 21(g) ICI(g) I(g) + Cl(g)
What is the std heat of reaction at 800 degrees celsius (1073.15K) for a complete combustion of liquid ethanol (C2H5OH) to carbon dioxide (CO2) and liquid water (H2O)?
Which of the following reactions will release the most energy? O CH41) + O2(1) CO(g) + 2H20(g) O CHA(1) + O2() CO2() + 2H20(1) O CHA(g) + O2lg) CO2(g) + 2H2O(g) O CHA(g) + O2(g) CO2() + 2H2O(1)
The heats of formation of aluminium oxide and iron (I) oxide are -1664k) and - 815k respectively. 4. (a) Calculate the AH for the reaction: Al (s) + 4Fe;0s (s) + Fe(s) + %Al:03(s) 4 Al (s) + 3 0: (R) →2 Al;O» (s) 4 Fe (s) +3 0: (R) 2 Fe:0s (s) AH = -1664k) AH= -815k [4 AI (3) + 3 0:() +2 Als0s (3) ]x % [2 Fe:0s (1) 4 Fe (1) +3 0 () ]x % 1664k| x % 815k x% Al (s) % 0: ()- Al:0, (1) 4 Fe;0s (s) Fe (*) + % O (e) 416k 203.75k Al (s) • %Fe:0s(s) → Fe(s) . %Al:0s(s) AH - 212.25k) (b) The mass of the Al need to produce 1 k of energy.
At -992 oC, Keq = 23.4 for the reaction: 1/2 Br2(g) + 1/2 Cl2(g) BrCl(g) (a) What is the value of Keq for the reaction BrCl(g) 1/2 Br2(g) + 1/2 Cl2(g)?Keq = (b) What is the value of Keq for the reaction Br2(g) + Cl2(g) 2 BrCl(g)?Keq = (c) What is the value of Keq for the reaction 2 BrCl(g) Br2(g) + Cl2(g)?Keq =

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