If for a particular reaction, the difference in the heat evolved when the reaction is carried out at constant pressure andthat at constant volume at 27^(@)C is nearly5 kJ mol^(-1) , then the difference in the number of moles of gaseouseactants and products is

If for a particular reaction, the difference in the heat evolved when

1.	If for a particular reaction, the difference in the heat evolved when the reaction is carried out at constant pressure andthat at constant volume at 27^(@)C is nearly5 kJ mol^(-1) , then the difference in the number of moles of gaseouseactants and products is
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