The rate equation for a reaction at 800 K is:
rate=k[A]2[B]
The initial rate of reaction was 5.50×10−4 mol dm−3 s−1 when the concentrations of A and B were 3.00×10−2 mol dm−3 and 6.00×10−2 mol dm−3 , respectively. Calculate the rate constant (to 1 decimal place).