Classify each process below by its individual effect on the entropy of the universe,

Classify each process below by its individual effect on the entropy of the universe, S(Each as either increases (or) does not affect (or) Decreases S of the universe).

  • A process run infinitesimally slowly at equilibrium and reversed to its original state.
  • A constant composition mixture of solid and liquid water at STP(273.15Kand1atm).
  • Motion of frictionless pendulum.
  • The dissolution of sodium chloride in water.
  • Melting ice cream from solid to liquid at 25oC.
  • Hydrogen peroxide slowing decomposing into water and oxygen.