Answer:
20 KG
Explanation:
20 kg
F = ma
F = 280 N
a = 14 m/s^2
m = F/a = 280/14 = 20 kg
sorry idk chem
tert-butyl bromide
sec-butyl bromide
CH3 -CH-CH2-CH3
Br
CH3
CH3-C- Br
isopropyl bromide
CH3-CH-Br
isobutyl bromide
CH3-CH-CH2-Br
