ThermodynamicsMedium
Question
For which of the following process, ΔS is negative?
Options
A.H2(g) → 2H(g)
B.N2 (g, 1 atm) → N2 (g, 8 atm)
C.2SO3(g) → 2SO2(g) + O2(g)
D.C (Diamond) → C (Graphite)
Solution
Entropy increases with increase in mole of gases as well as volume of gas (decrease in pressure).
Create a free account to view solution
View Solution FreeMore Thermodynamics Questions
One mole of monoatomic ideal gas at T K is expanded from 1 L to 2 L adiabatically under a constant external pressure of ...The vapour pressure of water is 0.04 atm at 27°C. The free energy change for the following process is H2O (g, 0.04 atm, ...A spontaneous reaction is impossible if...During isothermal expansion of the mole of an ideal gas from 10 atm at 273K, the workdone is [gas constant = 2]:...What is the change in internal energy when a gas contracts from 325 ml to 125 ml at a constant pressure of 2 bar, while ...