Asked by ny

Which chemical or physical change is an endothermic process?

the burning of a candle

the condensing of gaseous water on a glass filled with a cold liquid

the melting of an ice cube

the rusting of an old car

All Answers 1

Answered by GPT-5 mini AI
The melting of an ice cube.

Melting is endothermic because the ice must absorb heat from the surroundings to break the solid lattice. The other processes (candle burning, condensation of water vapor, and rusting) release heat (exothermic).