2.44 Ammonia gas is condensed at its boiling point at 1.013 25 bar at -33.4°C by...

Question

Question

2.44 Ammonia gas is condensed at its boiling point at 1.013 25 bar at -33.4°C by the application of a pressure infinitesimall

science chemistry

Answer 1

Answer #1

To evaporate or condense ammonia at its boiling point , it is a isothermal process.

For isothermal process

PV= nRT = constant - (As n,R,T are constant)

∆U = 0 and ∆H =0 because these are Temperature dependend.

So

∆U= Q-W = 0

Q= W

As q is given 23.30 kJ/mol.

Now

A.) W = 23.30 kJ /mol

B.) q = - 23.30 kJ / mol ( negative because heat is released)

C.) ∆U = 0

D.) ∆H = 0

Answer 2

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