When she heated it up, she found that sulfuric acid (H2SO4) changed into water (H2O). She made the following atomic-scale model to show what she thinks happened.

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Me i dont know what to do! the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Acetylene gas c2h2 undergoes combustion to produce carbon dioxide and water vapor how many grams of water are produced by the same amount of c2h2?