In: Chemistry
8H2S(g)+4O2(g)→8H2O(g)+S8(g) Δ[H2S]/Δt = -0.012 M/s
a)Find Δ[O2]/Δt.
b)Find Δ[H2O]/Δt.
c)Find Δ[S8]/Δt.
d)Find the rate of the reaction.
rate = decrease in concentration of reactant / time taken = increase in concentration of product / time taken.
a)
-1/8
[H2S] /
t = -1/4
[O2] /
t
[H2S]
/
t = - 0.012 M/s
[O2]
/
t = 4/8
[H2S] /
t
[O2]
/
t = 4/8 (-0.012 )
[O2]
/
t = - 0.006 M/s
b)
-1/8
[H2S] /
t = 1/8
[H2O]/
t
-
[H2S] /
t =
[H2O]/
t
[H2O]/
t
= - (0.012)
[H2O]/
t
= 0.012 M/s
c)
1/8
[H2O]/
t
=
[S8] /
t
[S8] /
t = 1/8 (0.012)
[S8] /
t = 0.0015 M/s
d)
rate =
[S8] /
t
rate = 0.0015 M/s