What happens to the heat that is produced from fission reactions that occur in nuclear power plants?
a. it is used to turn water into steam.
b. it is used to heat local buildings.
c. it is a waste product and is not used.
d. it is used to power nuclear fusion reactions

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.