If you have 5 moles of H2, how many moles of O2 will you need to use up all of the H2 without having any reactants leftover ?

Question 4 options:

0.4 moles O2

5 moles O2

2.5 moles O2

10 moles O2

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.