Answer:
Two moles of hydrogen gas combine with one mole of oxygen gas to produce two moles of water.

Explanation:
This is the required amount of each element to synthesize water. The equation has been balanced using coefficients.
Don't trust atoms, they make up everything.
How about chemical workers... are they unionized?
I think the Neolithic Revolution is the correct answer
Answer:
<em>Ionic</em><em> </em>
If something is a hard solid, that can dissolve in water, and has a high melting point are ionic substances, because they are hard solids due to strong electrostatic force between particles and and they have high melting points because of their strong attraction between the particles which needed more energy in order to break down and melt .....
their one property is to dissolve in water because they are generally non polar which dissolves easily in polar liquids like water.
<em>i</em><em> </em><em>hope</em><em> </em><em>it</em><em> </em><em>helped</em><em> </em><em>you</em><em>.</em><em>.</em><em>.</em><em>.</em><em> </em>