LIFESCI 30A Lecture Notes - Lecture 5: Reaction Rate
28 Oct 2016
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O2 + so2 so3 balance: o2 + 2so2 2so3. X = [o2] = concentration of o2 x" = (what makes [o2] inc) ( [o2] dec) Y = [so2] = concentration of so2 y" = [ "] [ "] Z = [so3] = concentration of so3 z" = [ "] [ "] The reaction favoring products happens when o2 and 2so2 collide to make 2so3. So the rate at which o2 reacts with so2 to form products is x*y2 i. e. rolling a dice (probability theory) rolling a 2, then rolling a 5= (1/6) * (1/6) = 1/36 chance. X" = (what makes x increase) (what makes x decrease) = reverse forward reaction. Y" = (what makes y increase) (what makes y decrease) = reverse forward reaction. Z" = (what makes z increase) (what makes z decrease) = forward reverse reaction. The simplest population model: one population, just constant per-capita birth rate and death rate:
