se ( x Edward V x O procedur x G traductor x E Imt rgt c x Course H X Part The x Part A A X course.html?courseld=17244391&0penVellumHMAC=Dad27de605f424ee63856c9b0420083fd#10001 Part C The balanced reaction for the combustion of ethane is shown in the table. You allow 2.4 mol of ethane (C;Hs) to react with 3.5 mol oxygen (O2). Complete the following ICF table, which may be done using the Simulation, to indicate the amounts of all chemical species for the initial, change, and final conditions. Drag the appropriate amounts to their respective targets. > View Available Hint(s) Reset Help 14 mol 7.2 mol 00mol 8.4 mol 48 mol 10 mol 24 mol 20 mol 30 mol 3.5 mol 2C;H(g) + 702(g) → 4CO2(g) + 6H20(g) Initial Change Final P Pearson Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use I Privacy Policy I Permissions | Contact Us|

se ( x Edward V x O procedur x G traductor x E Imt rgt c x Course H X Part The x Part A A X course.html?courseld=17244391&0penVellumHMAC=Dad27de605f424ee63856c9b0420083fd#10001 Part C The balanced reaction for the combustion of ethane is shown in the table. You allow 2.4 mol of ethane (C;Hs) to react with 3.5 mol oxygen (O2). Complete the following ICF table, which may be done using the Simulation, to indicate the amounts of all chemical species for the initial, change, and final conditions. Drag the appropriate amounts to their respective targets. > View Available Hint(s) Reset Help 14 mol 7.2 mol 00mol 8.4 mol 48 mol 10 mol 24 mol 20 mol 30 mol 3.5 mol 2C;H(g) + 702(g) → 4CO2(g) + 6H20(g) Initial Change Final P Pearson Copyright © 2022 Pearson Education Inc. All rights reserved. | Terms of Use I Privacy Policy I Permissions | Contact Us|

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 9RQ: What characterizes an electrolytic cell? What is an ampere? When the current applied to an...

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Calculate rH for the reaction 2 C(s) + 3 H2(g) + O2(g) C2H5OH() given the information below. C(s) + O2(g) CO2(g) rH = 393.5 kJ/mol-rxn 2 H2(g) + O2(g) 2 H2O() rH = 571.6 kJ/mol-rxn C2H5OH() + 3 O2(g) 2 CO2(g) + 3 H2O() rH= 1367.5 kJ/mol-rxn
What characterizes an electrolytic cell? What is an ampere? When the current applied to an electrolytic cell is multiplied by the time in seconds, what quantity is determined? How is this quantity converted to moles of electrons required? How are moles of electrons required converted to moles of metal plated out? What does plating mean? How do you predict the cathode and the anode half-reactions in an electrolytic cell? Why is the electrolysis of molten salts much easier to predict in terms of what occurs at the anode and cathode than the electrolysis of aqueous dissolved salts? What is overvoltage?
7-17 If a certain reaction takes 16 h to go to completion at 10°C, what temperature should we run it if we want it to go to completion in 1 h?
Consider the reaction CO32-(aq) + H2O(l) HCO3-(aq) + OH–(aq). Kb for CO32- is 2.1 × 10–4 at 25°C. What is Ka for the HCO3- ion at 25°C?
Given the following heats of reaction: H2(g) + 1/2 O2(g) ---> H2O(g) ΔH = - 241.8 kJ/rxn 3 O2(g) ---> 2 O3(g) ΔH = +284.6 kJ/rxn H2O(l) ---> H2O(g) ΔH = +44.0 kJ/rxn Calculate ΔH of the reaction: 3H2(g) + O3(g) ---> 3H2O(l) ΔH = _____ kJ/rxn
a)Determine ∆Grxno values for the following combustion reactions at 25oC b) Decide whether this reaction is spontanious at 25oC or not CH4(g)+O2(g)→CO2(g)+H2O(I) ∆Hf°(kj/mol) S°(KJ/mol) CH4 -74.87 0.186 O2 0 0.205 CO2 -393.51 0.214 H2O -285.83 0.070
Urea, CO(NH2)2 is slowly converted to ammonia (NH3) at 25.0 °C according to the following reaction. CO(NH2)2 (aq) + H2O (l) → CO2 (aq) + NH3 (aq) The following data were obtained for this reaction Compound ∆H°f (kJ/mol) CO(NH2)2 (aq) -319.2 H2O (l) -412.9 CO2 (aq) -285.8 NH3 (aq) -80.3 A) Calculate ∆H° for the reaction B) What type of reaction is this (endothermic, exothermic, neither) c)Calculate the change in enthalpy (∆H°) for the decomposition of 2.00 g of urea.
For the reaction A + B <=> AB, kassoc = 2.0 sec-1 M-1 and kdissoc = 0.5 sec-1. This means that Kassoc is equal to ____ M-1. (Enter your answer to the nearest 0.1; do not include units)
Write the expression for Kc for the following reactions. Ineach case indicate whether the reaction is homogeneousor heterogeneous.(a) 3 NO(g) ⇌ N2O(g) + NO2(g)(b) CH4(g) + 2 H2S(g) ⇌ CS2(g) + 4 H2(g)(c) Ni(CO)4(g) ⇌ Ni(s)+ 4 CO(g)(d) HF(aq) ⇌ H+(aq) + F-(aq)(e) 2 Ag(s) + Zn2+(aq) ⇌ 2 Ag+(aq) + Zn(s)(f) H2O(l) ⇌ H+(aq) + OH-(aq)(g) 2 H2O(l) ⇌ 2 H+(aq) + 2 OH-(aq)
At 400 C, Kc is 8.05 x 10 -4 for the reaction COCl2(g) -- CO(g) + Cl2(g) Calculate Go from this value of Kc
What is ΔSo for the reaction below? 3 NO2(g) + H2O(l) ----> 2 HNO3(aq) + NO(g) So (J/K-mol): 240.0 69.9 146.0 210.7 -1370 J/K-mol 287.2 J/K-mol 1370 J/K-mol 384.7 J/K-mol -287.2 J/K-mol
Determine the ΔS0rxn of the reaction below: N2H4(l) + N2O4(g) → N2(g) + H2O(g) ΔS0f (J/K) N2H4(l) 121 N2O4(g) 304 N2(g) 192 H2O(g) 189