Reaction channel

Reaction rate

R1

S 1

c 1 = 2.0

R2

S 2

c 2 = 0.1

R3

S 1

c 3 = 25

R4

S 2

c 4 = 75

R5

S 1 + S 2 S 1 + S 1

c 5 = 0.05