JEE AdvancedThermodynamicsHard

Question

In which of the following reaction, ᐃH > ᐃU ?

Options

A.H2(g) + I2(g) → 2HI(g)
B.PCl5(g) →  PCl3(g) + Cl2(g)
C.2H2O(l) → 2H2O(l) + O2(g)
D.C(s) + O2(g) → CO2(g)

Solution

ᐃH = ᐃU + ᐃnRT, where ᐃn = nP - nR            (n = number of moles)

Create a free account to view solution

View Solution Free
Topic: Thermodynamics·Practice all Thermodynamics questions

More Thermodynamics Questions

An amount of 5 mole H2O(l) at 100o C and 1 atm is converted into H2O(g) at 100°C and 5 atm. ΔG for the process is...Calculate change in internal energy ifᐃH = - 92.2kJ, P = 40 atm and ᐃV = - 1L....Which of the following pair does show the extensive properties?...What is the free energy change, ΔG, when 1.0 mole of water at 100°C and 1 atm pressure is converted into steam at 100°C ...The normal boiling point of a liquid is 350 K and ΔHvap is 35 kJ/mol. Assume that ΔHvap is independent from temperature ...