Answer:

Explanation:
2C₄H₁₀ + 13O₂ ⟶ 8CO₂ + 10H₂O
n/mol: 4.3
13 mol of O₂ react with 2 mol of 2C₄H₁₀

Hey i did this lab a few months ago!
I believe an atom. may be wrong, science is not my strong suit
Either everything would solid (strong attractive force), liquid or gas (weaker attractive force). Everything would be the same matter