The liquid molecules are transformed in gas molecules.
The liquid molecules are transformed in gas molecules.
As water at 4 degrees Celsius is heated slightly, it will start to expand and the temperature will increase. This is because water is at its maximum density at 4 degrees Celsius, and heating it will cause the molecules to move faster and spread out, leading to a volume increase and a temperature rise.
When ice is heated to 0 degrees Celsius, it begins to melt and turn into water. The heat energy is used to break the intermolecular bonds holding the water molecules together in a solid structure. Once all the ice has melted, the water continues to heat up until it reaches its boiling point of 100 degrees Celsius.
what happens to water molecules when they are heated
Its molecules become heated.
When gypsum is heated to 120 degrees Celsius, it undergoes a process known as calcination, where it loses water molecules and forms a different compound called bassanite. This transformation is reversible, meaning that if bassanite is exposed to water again, it will revert back to gypsum.
100 degrees celsius
All liquids expand when heated. e.g. Mercury in a thermometer. One exception may be water when heated form 0 to 4 degrees Celsius.
Density decreases as expansion takes place when temperature increases.
When ice is heated, it absorbs heat energy and melts into liquid water. The temperature of the ice remains at 0 degrees Celsius until it has completely melted.
the molecules evapourate
When water is heated to 100 degrees Celsius, it will reach its boiling point and start to evaporate into steam. At this temperature, the water molecules have enough energy to overcome the intermolecular forces that hold them together in the liquid state.