1. Describe how the net entropy is increasing when
- i a cup of tea is left to cool.
- ii a crystal of sodium chloride grows from a pool of seawater.
- iii an athlete sweats to keep cool.
(1) Describe how the net entropy is increasing when
- i a cup of tea is left to cool.
- ii a crystal of sodium chloride grows from a pool of seawater.
- iii an athlete sweats to keep cool.
(2) Calculate the net entropy change when 2 kJ of heat is exchanged from a heat source at a temperature of 700 K to a heat sink at a temperature of 300 K.