17. Hydrogen, a potential fuel, is found in great abundance in water. To separate the hydrogen from the oxygen, water must be thermally decomposed. At 1000°C, the equilibrium constant for this reaction is 7.3 × 10-18. 2H2O(g) + heat 2H2«g) + O2(g) a) If the initial concentration of H2O is 0.350 M, what is the equilibrium concentration of H2? b) Suggest three stresses that could be applied to the equilibrium system to produce more hydrogen.

17. Hydrogen, a potential fuel, is found in great abundance in water. To separate the hydrogen from the oxygen, water must be thermally decomposed. At 1000°C, the equilibrium constant for this reaction is 7.3 × 10-18. 2H2O(g) + heat 2H2«g) + O2(g) a) If the initial concentration of H2O is 0.350 M, what is the equilibrium concentration of H2? b) Suggest three stresses that could be applied to the equilibrium system to produce more hydrogen.

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Run 1 Run 2 Run 3 Run 4 Run# 1 2 3 4 Na₂S₂O3 0.005M 1 drop 1 drop 1 drop 1 drop Quantity. [Na2S2O3] stock [KI] stock [H202] stock k' KI 0.1M 2 drops KI 0.2M 2 drops 2 drops 2 drops Trial 1 (s) 0:34 0:07 1:11 0:12 Value 5.00 * 10^-3 2.00 * 10^-1 1.00 * 10^-3 0.0289 H₂O2 0.05M 1 drop H₂O2 0.1M 2 drops 2 drops 1 drop Trial 1 (s) 0:32 0:06 1:01 0:10 Trial 1 (s) 0:32 0:05 0:59 0:17 Trial 1 (s) 0:23 0:04 1:06 0:09 Trial 1 (s) 0:14 0:3 01:13 0:13 For the results you have shown in the Summary tables, provide the following sample calculations. Show your work in the space provided: Calculate the average reaction time for Run #1: For all Run #1 reaction times, use the Grubbs test to show whether you have an "outlier" in your data set.
e File History Bookmarks Profiles Tab Window Help Edit View 14 unread) - dt x Lobby | Top Hat x O ALEKS x A ALEKS - Reyna Watch Gilmore X * Dementia Frien x i www-awu.aleks.com/alekscgi/x/lsl.exe/1o_u-IgNslkr7j8P3jH-IVDWKW_BBZZ16tTytly4Fcfu6zOtOf8oMM9s7G0XWajIKntF38TIGB Spotify Web Playe.. M Common Ethical D.. O THERMOCHEMISTRY Understanding the definitions of heat and work A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) From previous experiments, this chemical reaction is known to release 141. kJ of energy. The position of the piston is monitored, and it is determined from this data that the piston does 358. kJ of work on the system during the reaction. O exothermic Is the reaction exothermic or endothermic? O…