Entropy increases.
The water evaprates
Water is transformed in vapors.
After some time whole water is evaporated.
The sun. The sun's energy comes in the form of heat. This begins the cycle with evaporation.
no, nothing happens to the chemistry of the water. it still stays 2 pars oxygen 1 part hydrogen
After some time whole water is evaporated.
Entropy increases.
Lala
When left in the sun, the water in a cup will gradually heat up and may reach a higher temperature than its surroundings. Some of the water will evaporate, turning into water vapor and escaping into the air.
The water evaprates
The water will eventually evaporate off and leave the salt, which you can reclaim.
A penny left in the sun will become warmer than its surroundings, and will eventually be picked up by a passerby and carried off.
A chocolate bar left in the sun will melt unless ambient temperature is very cold.
it melts
Water is transformed in vapors.
they will bake and die