Find the change in the entropy in the following process $100 \,gm$ of ice at $0°C$ melts when dropped in a bucket of water at $50°C$ (Assume temperature of water does not change) ..... $ cal/K$
  • A$-4.5$
  • B$+ 4.5 $
  • C$+5.4 $
  • D$-5.4$
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