1. 2H2O( g )->2H2( g )+O2( g ) a) rate of delta[H2O]/delta t ? b) rate of delta[

Question

1. 2H2O(g)->2H2(g)+O2(g)

a) rate of delta[H2O]/deltat ?

b) rate of delta[H2]/deltat ?

c) rate of delta[O2]/deltat ?

2. 2SO2(g)+O2(g)->2SO3(g)

a) rate of delta[SO2]/deltat ?

b) rate of delta[O2]/deltat ?

c) rate of delta[SO3]/deltat ?

3. 2NO(g)+2H2(g)->N2(g)+2H2O(g)

a) rate of delta[NO]/deltat ?

b) rate of delta[H2]/deltat ?

c) rate of delta[N2]/deltat ?

d) rate of delta[H2O]/deltat ?

4. N2(g)+2H2(g)->N2H4(g)

a) rate of delta[N2]/deltat ?

b) rate of delta[H2]/deltat ?

c) rate of delta[N2H4]/deltat ?

Explanation / Answer

1) 1. 2H2O(g)?2H2(g)+O2(g)

rate of reaction = -(1/2)?[H2O]/?t = (1/2)?[H2]/?t = ?[O2]/?t

2) 2SO2(g)+O2(g)?2SO3(g)

rate of reaction = -(1/2)?[SO2]/?t = -?[O2]/?t = (1/2)?[SO3]?t

3) 2NO(g)+2H2(g)?N2(g)+2H2O(g)

rate of reaction = -(1/2)?[NO]/?t = -(1/2)?[H2]/?t = ?[N2]/?t  = (1/2)?[H2O]/?t

4) N2(g)+2H2(g)?N2H4(g)

rate of reaction = -?[N2]/?t = -(1/2)?[H2]/?t = ?[N2H4]/?t

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