Pane 204 1. Give the characteristic of a second order reaction having only one r

Question

Pane 204 1. Give the characteristic of a second order reaction having only one reactant 1. 2. 3. The rate of the reaction is not proportional to the concentration of the reactant The rate of the reaction is proportional to the square of the concentration of the reactant The rate of the reaction is proportional to the square root of the concentration of the 4 The rate of the reaction is proportional to the natural logarthm of the concentration of the 2. What are the unts of k in a zeroth order reaction? 1. Mis 2. M-s MPls Determine the rate law and the value of k for the following reaction using the data NOj (M) 0.10 0.10 0.25 Osji (M) Initial Rate (M's-) 0.33 0.88 0.66 NO2PTOI 1,42 2.84 7.10 1. Rate : 1300 M4 3. Rate = 43 M.'s.(010) Rate = 430 MAs"INO/?01 4, 4.For a reversible reaction, give the direction of the reaction, if K

Explanation / Answer

1.second order reaction
Rate = k[A]^2
2.The rate of the reaction is proportioanl to the squar of the concentration of the reactant
2. 1 M/s
3.
   rate = K[NO2]^m[O2]^2
   1.42   = k(0.1)^m*(0.33)^n ------->1
   2.84   = K(0.1)^m *(0.66)^n ------> 2
   7.1    = K(0.25)^m*(0.66)^n -------> 3
eq 1 is divide with eq 2
1.42/2.84   = k(0.1)^m*(0.33)^n/K(0.1)^m *(0.66)^n

     0.5      = (0.33/0.66)^n
    0.5       = (0.5)^n
      n       = 1
eq 2 is divide with eq 3
2.84/7.1   = K(0.1)^m *(0.66)^n/K(0.25)^m*(0.66)^n
0.4       = (0.1/0.25)^m
0.4       = (0.4)^m
    m       = 1
Rate   = K[NO2]^1[O2]^1
1.42   = k(0.1)^1*(0.33)^1
   K     = 1.42/0.1*0.33 = 43 M^-1 sec^-1
3.rate = 43M^-1sec^-1[NO2]^1[O2]^1 >>>>answer
4.2 answer
5.2. NH4Cl
   NH4cl is acidic solution

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