20heldmadison
05.03.2021 •
Chemistry
As a substance is cooled from 273 K to 175 K, the
average kinetic energy of its molecules will...
A. Cannot determine
B. Increase
C. Stays the same
D. Decrease
Solved
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Ответ:
Ammonia chemical formula : NH3
Ammonia molar mass : 14 + (1×3) = 17
Mass = Mol × mm
= 3.5mol × 17 = 59.5g
See pic for formula
nvm i think your question is incomplete. pls report my answer i thought u are asking the mass of ammonia