Answer:
90° is the measure, hope this helped :)
Answer:
i picked b
Explanation:
but its based on your own opinion, good luck.
The answer would be the third one listed, Refraction
Hope this helps you please mark as brainliest
Answer:
Explanation:
2Al(s) + 3 2 O2(g) → Al2O3(s) And given the stoichiometry ...and EXCESS dioxygen gas...we would get 6.25⋅ mol of alumina. the which represents a mass... ...6.25 ⋅ mol ×101.96 ⋅ g ⋅ mol−1 molar mass of alumina ≡ 637.25 ⋅ g.
