Chapter 7: Collection and Analysis of Rate Data


 

Table 7.1
Mole Balance First Order Second Order
Rate Law \( -r_A = k C_A \) \( -r_A = k C_A^2 \)
First order Second order
Stoichiometry (V = V₀) \( C_A = \frac{N_A}{V} = \frac{N_A}{V_o} \)
Combine \( \frac{d(N_A / V_o)}{dt} = \frac{dC_A}{dt} = -k C_A \) \( \frac{d(N_A / V_o)}{dt} = \frac{dC_A}{dt} = -k C_A^2 \)
Integrate \( t = \frac{1}{k} \ln{\left( \frac{C_{A0}}{C_A} \right)} \)