please help me with this... will give helpful rating later. 7. Consider the following balanced thermochemical equationfor a reaction sometimes usedfor H2S production:%Sa(s) + H2(8) → H2S(g)AHnn = -20.2 kJ(a) Is this an exothermic or endothermic reaction?(b) What is AH,n for the reverse reaction?(c) What is AH when 3.2 mol of Sa reacts?(d) What is AH when 20.0 g of Ss reacts?8. Liquid hydrogen peroxide, an oxidizing agent in many rocketfuel mixtures, releases oxygengas on decomposition:2H2O2(1) → 2H20 (1) + O2(g)AHn = - 196. 1 kJHow much heat is released when 732 kg of H2O2 decomposes?

7. We have to predict nature of reaction , ∆Hrxn for reverse direction, ∆H when given amount of Se…

7. Consider the following balanced thermochemical equationfor a reaction sometimes used for H2S production: %Sa(s) + H2(8) → H2S(g) (a) Is this an exothermic or endothermic reaction? (b) What is AH, for the reverse reaction? (c) What is AH when 3.2 mol of Se reacts? AHn = -20.2 kJ (d) What is AH when 20.0 g of Sa reacts? 8. Liquid hydrogen peroxide, an oxidizing agent in many rocketfuel mixtures, releases oxygen gas on decomposition: 2H2O2(1) → 2H20 (1) + O2(8) AHran = - 196. 1 k How much heat is released when 732 kg of H2O2 decomposes?

7. Consider the following balanced thermochemical equationfor a reaction sometimes used for H2S production: %Sa(s) + H2(8) → H2S(g) (a) Is this an exothermic or endothermic reaction? (b) What is AH, for the reverse reaction? (c) What is AH when 3.2 mol of Se reacts? AHn = -20.2 kJ (d) What is AH when 20.0 g of Sa reacts? 8. Liquid hydrogen peroxide, an oxidizing agent in many rocketfuel mixtures, releases oxygen gas on decomposition: 2H2O2(1) → 2H20 (1) + O2(8) AHran = - 196. 1 k How much heat is released when 732 kg of H2O2 decomposes?

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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