The decomposition of a compound A, at temperature T according to the equation 2P(g)→4Q(g)+R(g)+S(l) is the first order reaction. After 30 minutes from the start of decomposition in a closed vessel, the total pressure developed is found to be 160.25 mm of Hg and after a long period of time the total pressure observed to be 220.25 mm of Hg. Calculate the total pressure of the vessel just after 2 hours in mm of Hg, if volume of liquid S is supposed to be negligible. Given : Vapour pressure of S (l) at temperature T = 20.25 mm of Hg.

The decomposition of a compound A, at temperature T according to the e

1.	The decomposition of a compound A, at temperature T according to the equation 2P(g)→4Q(g)+R(g)+S(l) is the first order reaction. After 30 minutes from the start of decomposition in a closed vessel, the total pressure developed is found to be 160.25 mm of Hg and after a long period of time the total pressure observed to be 220.25 mm of Hg. Calculate the total pressure of the vessel just after 2 hours in mm of Hg, if volume of liquid S is supposed to be negligible. Given : Vapour pressure of S (l) at temperature T = 20.25 mm of Hg.
Answer» The decomposition of a compound A, at temperature T according to the equation $2 P (g) \to 4 Q (g) + R (g) + S (l)$ is the first order reaction. After 30 minutes from the start of decomposition in a closed vessel, the total pressure developed is found to be 160.25 mm of Hg and after a long period of time the total pressure observed to be 220.25 mm of Hg. Calculate the total pressure of the vessel just after 2 hours in mm of Hg, if volume of liquid S is supposed to be negligible. Given : Vapour pressure of S (l) at temperature T = 20.25 mm of Hg.