What does synthesis gas (water gas) consist of?

If you want to create an electrical current, which situation would produce a solution capable of this

Which substance has non polar covalent bonds

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.