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QUESTIONS At constant pressure and temperature, which statement is true? A. All reactions for which AH<0...
30) At constant pressure and temperature, which statement is true? A) All reactions for which k < 1 are spontaneous B) All reactions for which AG are spontaneous C) All reactions for which AH<0 are spontaneous. D) All reactions for which AS <0 are spontaneous 11) 11) Consider the galvanic cell, Pb(s) IP20) Cu2+(a) Cu(s). Which one of the following changes to the cell would cause the cell potential to increase (ie, become more positive)? A) increase the mass of...
For a reaction with AG < 0, which statement is true? Select one: a. Rate is first orders o b. The reaction is endothermic Oc. Keq 0 O d. Keq > 0 e. The reaction is exothermic
The exothermic reaction, A--> has AG<0. Which of the following statements are true AH<0 for the reaction AS must be greater than zero AS could be greater than or less than than zero the reaction is spontaneous in the reverse direction
At constant pressure and temperature, which statement is true? All reactions for which ΔS < 0 are spontaneous. All reactions for which K < 1 are spontaneous. All reactions for which ΔG < 0 are spontaneous. All reactions for which ΔH < 0 are spontaneous.
If AG < 0 for a reaction, which of the following is/are true? Select all that apply. There will be no net change in the amounts of reactants or products. The reaction is spontaneous in the forward direction. The reaction is spontaneous in the reverse direction. The reaction is at equilibrium. The reaction will proceed to form more products. The reaction will proceed to form more reactants.
In a given process A-->B, it is found that AG <0 and AH>0. Which of the following statements are true The process is spontaneous in the forward directon The process is exothermic 0 As for the process must be less than zero As for the process could be either less than zero or greater than zero
True or False or short answer. You must provide reasoning. a. If DSsys <0 for a spontaneous process, then a smaller positive change in Assurr must occur. b. The combustion of ethane is spontaneous, but Dsn is -620.21 J/K. Explain why this does not violate the second law of thermodynamics.
A process at constant T and P can be described as spontaneous if AG <0 and nonspontaneous if AG> 0. Over what range of temperatures is the following process spontaneous? Assume that gases are at a pressure of 1 atm. (Hint: Use the data below to calculate AH and AS [assumed independent of temperature and equal to AH° and AS°, respectively] and then use the definition of AG.) 2 MnO2(s) 02(g) 2 MnO(s) AH (kJ mol) -520.0 -385.2 s° (J...
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn < 0 b) AS rxn > 0 c) AGºrx < 0 d) Both a and c e) Both b and c
4) For a chemical reaction to be spontaneous for standard conditions, which of the following must be true? a) AS rxn <0 b) AS nu>0 c) AGO < 0 d) Both a and c e) Both b and c