Which is the correct expression, that relates changes of entropy with the change of pressure for an ideal gas at constant temperature in the following
A. `DeltaS=nRTln.(P_(2))/(P_(1))`
B. `DeltaS=T(P_(2)-P_(1))`
C. `DeltaS=nRln.(P_(1))/(P_(2))`
D. `DeltaS=2.303 nRT ln.(P_(1))/(P_(2))`
