Molecular iodine, i2 (g), dissociates into iodine atoms at 545k with a first order rate constant of 0.344 1/s. if you start with 0.054 m i2 at this temperature how much will remain after 5.16 s?

0.00915 M of remain after 5.16 seconds.

Explanation:

Using integrated rate law for first order kinetics as:

Where,  

is the concentration at time t

is the initial concentration

Given that:

The rate constant, k = s⁻¹

Initial concentration = 0.054 M

Final concentration = ? M

Time = 5.16 s

Applying in the above equation, we get that:-

0.00915 M of remain after 5.16 seconds.

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.