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18 Nov 2019
Please explain for the following question:
The graph on the right shows the chemical potential of two pure gases, A and B, as a function of temperature at the standard pressure of 1 bar. Circle the correct statement the standard molar entropies of A and B are equal to each other at temperature T. the standard molar entropy of substance A is greater than the molar entropy of substance B at temperatures below T_1. the standard molar entropy of substance A is greater than the molar entropy of substance B at temperatures above T_1 the standard molar entropy of substance A is greater than the molar entropy of substance B at all temperatures indicated the standard molar entropy of substance A is smaller than the molar entropy of substance B at all temperatures indicated Gases A and B are mixed and a small amount of catalyst is added to allow the chemical reaction: Circle the statement or statements which are certainly correct (assume gases A and B are ideal gases): At temperature T_1 the standard molar Gibbs free energy of the reaction is zero) At temperature T_1 the reaction is at equilibrium when the partial pressures of A and B are both 1 bar At temperature T_2 the standard molar Gibbs free energy of the reaction is positive At temperature T_2 the standard molar Gibbs free energy of the reaction is negative
Please explain for the following question:
The graph on the right shows the chemical potential of two pure gases, A and B, as a function of temperature at the standard pressure of 1 bar. Circle the correct statement the standard molar entropies of A and B are equal to each other at temperature T. the standard molar entropy of substance A is greater than the molar entropy of substance B at temperatures below T_1. the standard molar entropy of substance A is greater than the molar entropy of substance B at temperatures above T_1 the standard molar entropy of substance A is greater than the molar entropy of substance B at all temperatures indicated the standard molar entropy of substance A is smaller than the molar entropy of substance B at all temperatures indicated Gases A and B are mixed and a small amount of catalyst is added to allow the chemical reaction: Circle the statement or statements which are certainly correct (assume gases A and B are ideal gases): At temperature T_1 the standard molar Gibbs free energy of the reaction is zero) At temperature T_1 the reaction is at equilibrium when the partial pressures of A and B are both 1 bar At temperature T_2 the standard molar Gibbs free energy of the reaction is positive At temperature T_2 the standard molar Gibbs free energy of the reaction is negative