1.
v = k[A]*[B]² => k = v/[A]*[B]²
= 7x10⁻²/0,03x0,02² = 5833,33
k = (mol/L * 1/min)/(mol/L)³ = L²/mol²*min
2.
v.mediu = +(Δc/Δt)
= (c2-c1)/(t2-t1) = (4,48x10⁻¹ - 2,24x10⁻³)/(432000-86400)
= 1,29x10⁻⁶ mol/Lxora
v.mediu.consum.etanol = l -1,29x10⁻⁶ mol/Lxora l