The "Van Gogh" one is subjective, because it expresses opinion and is not a true, hard fact. :)
Molar mass NO₂ = 46.0 g/mol
1 mole -------- 46.0 g
2.0 moles ----- ?
Mass (NO₂) = 2.0 x 46.0 / 1
=> 92.0 g
hope this helps!
Amorphous is the answer. A glass is an amorphous solid.
