It is endothermic and the ∆H = +393.5 kJ.
Depends on what the problems are, you are going to have to be a bit more specific, Young Padawan
The field of energy is wide and interesting due to it can be expressed by differents way.
The thermal energy is associated like internal energy of the atoms or molecules of a substance. The transfer of thermal energy as heat can take place via convection.
Convection via is the transfer of thermal energy due to the motion of the substance that contains the thermal energy.
It’s appearance
It’s physical form
What it feels like
How hot it gets
If it melts
Shape
Color
