If the rate constant of a reaction is 5.8103s1, what is the concentration after 150 seconds if the initial concentration was 1.0M ? Hint: What is the order of the reaction given the units of the rate constant? Your Answer: Answer units Question 12 (5 points) If the decomposition of a compound follows a first order reaction and the initial concentration of 2.2M drops to 0.85 after only 100 seconds, what is the reaction rate constant at that temperature? Your