Which of the following processes are spontaneous? (Select all thatapply.) 1 alig

Question

Which of the following processes are spontaneous? (Select all thatapply.) 1 alignment of iron filings in a magneticfield
the melting of ice cubes at 10°C and 1atm pressure
the reaction of sodium metal with chlorinegas to form sodium chloride 1 alignment of iron filings in a magneticfield
the melting of ice cubes at 10°C and 1atm pressure
the reaction of sodium metal with chlorinegas to form sodium chloride 1 alignment of iron filings in a magneticfield
the melting of ice cubes at 10°C and 1atm pressure
the reaction of sodium metal with chlorinegas to form sodium chloride 1

Explanation / Answer

The First two Reactions are Spontaneous as when ironfillings are placed in the presence of magnetic field theparticles of the iron are aligned in the particular directionwhich is a spontaneous process.      The melting of ice is generallyobserved at a 1 atm condition and a temperature of 00C both the Reactions are Spontaneous.          In order toform NaCl from the constitute elements we have to convert first Nato Na+ and Cl to Cl- theformation of NaCl is explained through Born - haber cycle.So atordinary condition the Reaction is not Spontaneous.

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