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

During vapourisation of H2O(l) at 373 K & 1 atm...Internal energy does not include:...Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats ...Which of the following statement(s) is/are false ?...If both parents are carriers for thalessemia, whichis an autosomal recessive disorder, what are the chances of pregnancy...