Which of the following are true statements ? a) A positivevalue of G for a proce

Question

Which of the following are true statements ? a) A positivevalue of G for a process means, that process is spontaneousand can perform a maxium quantity of work on the surroundings equalto the magnitude of G b) A positive value of G for aprocess means that process is reactant favored c) If G for aprocess is 500 kJ, then at most 500 kJ of work can be doneon the surroundings by the process. d) Coupling a nonspontaneousreaction to a spontaneous one in order to make it proceed is notpossible in biological systems

Explanation / Answer

                   
a) A positive value of G for a process means, that process isspontaneous and can perform a maximum quantity of work
                               
on the surroundings equal to the magnitude of G - FALSE (Spontaneous reactions have negative G ).                           b) A positive value of G means process is reactantfavored -TRUE (backward reaction occurs till G becomes =0)
                          c) If G for a process is 500 kJ, then at most 500kJ of work can be done on surroundings by the process -TRUE
                               d) Coupling a nonspontaneous reaction to a spontaneous one inorder to make it proceed is
                               
not possible in biological systems - FALSE ( It is possible).

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