Energy sources

IB Chemistry: Energy sources

This sub-topic looks at different energy sources and their efficiency in actually providing the energy required for society, as it currently exists, to function. It is a sobering thought that when we turn on a traditional incandescent 60W electric light bulb less than 1% of the raw energy consumed is actually converted into light. It has been calculated that it requires 200-300 kg of good quality coal to power just one...

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