A 60-watt light bulb carries a current of 0.5 ampere. The total charge passing through it in one hour is:

What is the magnitude of the resultant vector round your answer to the nearest tenth

What is the role of lenses in microscopy?

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.