Lynn rubs a balloon with a piece of wool, which causes the balloon to pick up some of the electric charges from the wool. lynn then observes that the balloon temporarily sticks to a wall. after several seconds, the balloon falls to the ground.

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.