Identify the reactant(s) in the reaction below.
NaOH + HF → NaF + H20

Identify a specific example for each type of technology

What does the symbol (–hfus) indicate in a phase change?

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.