Sound waves are
waves.
O
A. longitudinal
O
B. mechanical
O
c. compression
O
D. All of the above

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.