Consider the reaction2KCIO3 (s)→2KCI(s) + 302(g)and the following table of values:AG(kJ/mol)SubstanceKC103 (s)-296.3KC1(s)-408.2O2 (g)State whether it would be worthwhile to investigate finding a catalyst to use in this reactionunder standard conditions and explain why.Yes, because AG° is negative.No, because AG° is negative.Yes, because AG° is positive.O No, because AG° is positive. The standard free energy of formation, AG:, of a substance isthe free energy change for the formation of one mole of thesubstance from the component elements in their standardstates. These values are applicable at 25°C and are found inthermodynamic tables.The value of AG; for a substance gives a measure of thethermodynamic stability with respect to the componentelements. Negative values for a formation reaction indicatethermodynamic stability of the product. In other words, thecompound formed does not spontaneously decompose backinto the component elements. Positive values for a formationreaction indicate thermodynamic instability of the product.Thus, the compound will spontaneously decompose, thoughthe rate may be slow.The sign of AG; can be used to predict the feasibility ofsynthesizing a substance from its component elements. Thestandard free energy change for a reaction, AG°, is a statefunction and can be calculated from the standard free energiesof formation as follows:AGin = EMpAG; (products) – ETAG; (reactants)where np and n, represent the stoichiometric coefficients inthe balanced chemical equation for the reactants and productsrespectively.

Given : We have to calculate the Gibbs free energy for the following reaction.

2KCIO3 (s)→2KCI(s) + 302(g) and the following table of values: AG Substance (kJ/mol) KC103 (s) -296.3 KC1(s) -408.2 O2 (g) State whether it would be worthwhile to investigate finding a catalyst to use in this under standard conditions and explain why. Yes, because AG° is negative. No, because AG° is negative. Yes, because AG° is positive. No, because AG° is positive.

2KCIO3 (s)→2KCI(s) + 302(g) and the following table of values: AG Substance (kJ/mol) KC103 (s) -296.3 KC1(s) -408.2 O2 (g) State whether it would be worthwhile to investigate finding a catalyst to use in this under standard conditions and explain why. Yes, because AG° is negative. No, because AG° is negative. Yes, because AG° is positive. No, because AG° is positive.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 4RQ: The free energy change, G, for a process at constant temperature and pressure is related to Suniv...

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