JEE Main 202225 Jun, Evening shiftChemistryMediumChemical Kinetics62× since 2002
At 345 K, the half life for the decomposition of a sample of a gaseous compound initially at 55.5 kPa was 340 s. When the pressure was 27.8 kPa, the half life was found to be 170 s. The order of the reaction is ____________. [integer answer]