An engineer studies how the temperature of the oil in a car engine rises when it is first switched on. Which row is correct?
- Achange in internal energy: increase; explanation: The random kinetic energy of the particles increases.
- Bchange in internal energy: increase; explanation: The oil evaporates when it is heated.
- Cchange in internal energy: decrease; explanation: The potential energy of the particles increases.
- Dchange in internal energy: decrease; explanation: The oil changes state to a gas when it is heated.