Hailey decides to make brunch for her step-cousin who is recovering from a hysterectomy, she plugs a waffle iron into a 125-volt household circuit and it draws 11 amps of current. Determine the wattage of the waffle iron. (3 points)

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.